I have all the parts ready to start my 450 rebuild wheel rims fenders and new... — Honda CB CL 450 Owners ( 1965 - 1975)

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I have all the parts ready to start my 450 rebuild, wheel rims fenders and new original exhausts, but I have decided to keep it on the road for the summer before I start.

The only issue I have is that when you are changing up a gear and put the power on, I get what feels like a vibration, it is momentary but is there. Anybody have a suggesting what it could be? It 1974 with 16 k on it. Picture shows bike before I fitted new air filters...

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As you are all well aware from the messages you each received and don t try to... — Honda CB CL 450 Owners ( 1965 - 1975)

As you are all well aware from the messages you each received (and don't try to tell me you didn't get one) today was the first Honda CB/CL450 Facebook group AGM.

The meeting was held in Tasmania and I must say that I was disappointed that only two members actually turned up - Glenn Bryant and myself.

But as our constitution states - you only need two Aussies at an AGM to reach a quorum, so we met and voted and set down all the rules for the group.

You will all be receiving the new rules and the new membership fee structure - payable in cash or NOS K0/K1 parts.

Next meeting will be held in Healesville in 2018 ..

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    Hey guys and gals. looking for a little help. Any advise would be wonderful — Honda CB CL 450 Owners ( 1965 - 1975)

    Hey, guys and gals... looking for a little help. Any advise would be wonderful.

    1973 CB450

    74mm pistons (THR) 175 PSI in the right and left

    1mm oversize intake valves (THR)

    Mega Cycle 120-40 cam profile

    Mikuni VM Carburetor Kit 34 mm (52.5/ 155 jetting) (original jetting was 52.5/ 150)

    points have been replaced

    She's cranking over, but not wanting to start. does this sound like timing, or could it be something else? I think that I might be off 1 tooth on the cam timing. Could that cause her not to start?

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      Well I have been trying to wrap my head around the rearsets after numerous... — Honda CB CL 450 Owners ( 1965 - 1975)

      Well I have been trying to wrap my head around the rearsets after numerous positions on both the frame and the holes on the rearsets I am wondering if they are at all a comfortable ride and safe to operate

      I may just go to where I am used to them.

      Has anyone had any issues with operating towards the rear of the bike

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        Photos from Cliff Overton's post — Honda CB CL 450 Owners ( 1965 - 1975)

        Bobber detail update time.

        I mounted the chain guard today, needed a little bit trimmed out to accommodate the angled rear shock spring, and I needed to cut the inside edge off near the front to allow my battery box to fit.

        Why fit a chain guard to a bobber you say?

        Well, firstly in the absence of a chain, fitting the guard helps me to fit the battery box in the right position so it will not interfere with the chain. Secondly, the guard will be needed on the bike here for the Roadworthy inspection. It might come off after it has passed and is on the road or it might stay on.

        In keeping with the "less paint is better" plan for this build, both the battery box and chain guard were stripped of paint and wire brushed.

        The battery box is offset mounted due to the chain guard, but luckily it lines up nicely with the frame on the right hand side and my legs won't hit it.

        Once I have the battery and wiring in the box, I may look at fitting the ignition barrel in the left hand side of the box.

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          Photos from Faiz Mawlayi's post — Honda CB CL 450 Owners ( 1965 - 1975)

          Hi guys

          I hade to change my frame (long story way) the new frame which I've started to reassemble on has a different setup for seat assembly.

          I think the seat on the new frame is open on the side, and on the old frame you pulled back.

          Pictures are showing the new frame and seat attachment setup, I'd like to know which model k this was used on? And also if someone has a spare seat they could part with which would fit? I'm rebuilding the foam and sewing a custom seat cover in leather so I'm mostly interested in the seat base.

          Much obliged for any assistance!

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            Photos from Thomas Rupp's post — Honda CB CL 450 Owners ( 1965 - 1975)

            Have I introduced my D-project yet? Nope? So here new go: Very early 1965 frame - one of the first 300made: VIN is in the late 200s; I have the correct 360° engine with it and I collected a complete D-kit in orange over the years.

            The bike (rolling chassis in horrible shape) originated in the Netherlands; I discovered the engine in the USA; the NOS orange D-panels and tank kit were located in Bavaria; and the rest of the D-Kit was purchased part by part while I was living in the USA.

            As you can see it has very early forks, which look much less smooth at the bottom end and which come different axle holders (CB77 style) - see picture (left: early, right later style). The engine number starts with CB450E-150xxxx ... these are the rare 360° engines of which I believe only a hand full were made at the introduction of the bike.

            Well, it's a long term project but now I can see the light at the end of the tunnel. :)

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              I could use a little help please I need to send my tank and side covers out... — Honda CB CL 450 Owners ( 1965 - 1975)

              I could use a little help, please. I need to send my tank and side covers out for paint but want to save the emblems on the side covers at all cost since I don't think anyone is reproducing them. Are these just glued on? If so, what would be the best procedure to remove them? I assume some sort of solvent or possibly heat to soften the glue, then just gently lift them using a putty knife? If I did use a solvent, I would want to be sure to use something that won't damage the paint on the emblem. Any body got any ideas? Thanks for any help y'all might offer.

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                Bike is slowly getting ready for the African adventure Previous modifications... — Honda CB CL 450 Owners ( 1965 - 1975)

                Bike is slowly getting ready for the African adventure. Previous modifications are a halogen H4 headlight, modern rectifier, oiled foam filters for dusty roads, electronic ignition, modified clutch arm and front sprocket to take an O-ring chain.

                Now I've got lots of room for luggage and a USB charger built into the top box so I can charge phones, cameras, bike batteries and other equipment while riding.

                The chrome panel tank '69 CB450 K2 is a petty rare animal produced only for a short period but Honda still managed to use two different speedo/tacho combos (with horizontal or diagonal mounting bolts). Of course I managed to buy one of each. Solved this by bodging a "horizontal" speedo onto a "diagonal" bracket.

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                  Photos from Atle Mong's post — Honda CB CL 450 Owners ( 1965 - 1975)

                  Some pics from my K2 1969 restoration projeckt.

                  Was a bit unsure if I should go for an orignal look or a cafe racer, but ended up with the cafe racer.

                  The ingnition has been changed to PAMCO electronic ignition and the carbs have been changed to Mikuni VM32, jetted for the CB450. Also maxed teeth on rear sproket and curious how that will feel.

                  As its still winter in Norway I have not taken the bike out to for a teststart/drive but have spark on both sparkplugs so looks promising :-)

                  Thanks to Paul Guglielmin for helping with the cam followers as my original plan to fix them here in Norway didnt happen :-)

                  Anyway here are some pics from when I started and what it looks like today :-)

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                    Photos from Cliff Overton's post — Honda CB CL 450 Owners ( 1965 - 1975)

                    Parcel day! I got three eBay purchases today; the top triple (that Glenn shared), a fuel cap for the Guilera tank and a set of CL450 forks.

                    Three hours later and the forks have been stripped, cleaned, rebuilt with fresh seals and are on the bike.

                    I am fitting a CL175 front hub so I need to check measure the total width of a CB450 drum hub (lucky I have one spare) and make up spacers to get it centred right.

                    I do like the inverted handlebars (old school) but these bars have the holes for wiring so I need to find a set of low rise bars to flip and keep these original bomber bars for a restoration project.

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                      Was wondering about the white seat on my bike Can t find anything online and... — Honda CB CL 450 Owners ( 1965 - 1975)

                      Was wondering about the white seat on my bike. Can't find anything online and wanted to know if it came stock or not? Update is it runs like a champ and looking to make it street legal. New bars and flipped them for a dirt track look. Next is lights and then a respray for the tank and air filter panels. Already does burnouts and wheelies

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                        Photos from Cliff Overton's post — Honda CB CL 450 Owners ( 1965 - 1975)

                        Some fiddly bits done on the CBobber450 build today. I made up the "U" flat bracket to mount the rear of the tank at the right height. Used a rubber plumbing fitting as a frame sleeve to provide cushioning.

                        I also mounted the G4TR tool box where the starter motor used to be, just drill and tap two holes and use two nuts and two machine screws - presto.

                        And fitted dome nuts to the bolts under the seat, I have left the Biltwell seat bracket at full length for now as I might mount the reg/rec off it (or the coils - not sure yet).

                        Finally, picked up two identical oval tins that might become the electrics case if I trim one tin down in height and use a tin lid on both ends.

                        More fun soon ...

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                          Photos from Cliff Overton's post — Honda CB CL 450 Owners ( 1965 - 1975)

                          Todays efforts.

                          And yes Captain Obvious gang - the foot peg bracket does have to be off the frame to fit the sprocket cover, it is only on finger tight and installed to test fit different exhaust pipes. And yes - the rear wheel does have to come off to get a sprocket fitted, once again this is test fitting. And yes - it won't steer too well without forks, and yes it won't start without a battery, and yes it won't burn petrol without carbies...

                          Have I answered all the obvious statements?

                          When are people going to realise that proper custom bike building means experimenting by test fitting parts and (oh my gosh) then taking them off again.

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                            Quick frame strip and paint now I am trying out different fork length and rear... — Honda CB CL 450 Owners ( 1965 - 1975)

                            Quick frame strip and paint - now I am trying out different fork length and rear shock length combinations with wheels fitted to see how it all works.

                            First up - CB750 rear shocks and 4" over stock length front forks. if this is all too tall I will go back to CB450 rear shocks and stock length forks.

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                              Seeking advice from some of the members who have built cb450 race bikes for... — Honda CB CL 450 Owners ( 1965 - 1975)

                              Seeking advice from some of the members who have built cb450 race bikes for vintage racing.

                              I purchased a set of Arrow con rods to replace the rusted set that were on my donor motor.

                              Getting access to them to do the swap is no small thing. My question is whether this is something any good machine shop could do or should I try to find someone with specific experience?

                              thanks

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                                New to the page I picked up a 1974 cb450 last year and just now started working... — Honda CB CL 450 Owners ( 1965 - 1975)

                                New to the page, I picked up a 1974 cb450 last year and just now started working on it, got it running finally today. I plan on rejetting the carbs because I'm running straight pipes and I'm going to fabricate a ram air induction system to each carb. What size jets should I go with. I read online that they come with 145 from the factory, I was thinking 155 or 160? Which would be best. I live In Ohio, 1100ft +or-, if that makes a difference. No longer has the mufflers

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                                  Photos from Gavin Canute's post — Honda CB CL 450 Owners ( 1965 - 1975)

                                  So time for the dirty jobs. Well what's left of them and what I regard as dirty. I've been looking at the brake caliber for 2 years and finally did something about it. Went down the bearing shop bought a grease nipple to fit the bleeder and bolt to seal the line in. Got pumping with the gun and now time to clean! Came out easier than I though.

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                                    Photos from Bruce McGregor's post — Honda CB CL 450 Owners ( 1965 - 1975)

                                    Just a quick note for anyone considering or about to fit a Nova six speed gearbox to their CB450.

                                    As in all cases hindsight is gold. When you look at the Nova website they will tell you that the only modification required to fit this gearbox whilst still using the Honda wet clutch is to machine the centre basket boss a bit so you can get a socket on the nut on the input shaft. (replaces the factory circlip)

                                    Be aware this is not the case.

                                    To fit this gearbox, in order, you need to do the following:

                                    1) During the dummy fit up you will find that the 6th gear selector fork will hit a boss (selector drum bearing retainer screw boss) on the inside of the cases and prevent correct selection. You need to remove material in that area to ensure the selector fork has free movement.

                                    2) Machine the inner clutch hub lip away so you can install the shaft nut using a socket.

                                    3) Remove approx 2 to 3mm off the end of a brand new input shaft and then machine the inside centre of the clutch pressure plate. Because the new input shaft is approx 10mm longer than the factory shaft, you cannot get contact between the pressure plate and the clutch plates. You need to have both full contact with the plates and clearance at the lifter to ensure the plates are fully engaged.

                                    None of the above is earth shatteringly difficult or expensive if you can do it yourself, it would just be nice to know before you start assembling everything.

                                    It would take Nova about 35 seconds to put together some installation instructions.

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                                      T.d. Bash shared his video to the group: Honda CB/CL 450 Owners ( 1965 - 1975). — Honda CB CL 450 Owners ( 1965 - 1975)

                                      Late Night Musical Interlude - Great song by Charlie Daniels (many aren't familiar with so passing along) ..just to let you fellow 450 enthusiasts know ..music is my 1st passion - made my living playing music for 17 yrs and toured parts of the US..in my glory days before I became a motorcycle and seat restorer ...

                                      If this is inappropriate the moderator of course can delete it.

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                                        T.d. Bash shared his photo to the group: Honda CB/CL 450 Owners ( 1965 - 1975). — Honda CB CL 450 Owners ( 1965 - 1975)

                                        Photo taken 1978 - the 450 being 10 yrs old was already considered a classic old school bike by then. Notables : Wrangler Bell Bottoms w/ Dingo boots - the seat was my first DIY upholstery job - sewn on my wifes antique treddle foor pump sewing machine - this was my daily rider to work on 75 mi round trip commute..so I was going after comfort on the seat , not originality. Neat '68 Ford Falcon in my neighbors garage....this was the first of my six pre 1970 450s I have owned ...

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                                          Here you go Glenn some CB450 soft tail bobber progress — Honda CB CL 450 Owners ( 1965 - 1975)

                                          Here you go Glenn, some CB450 soft tail bobber progress.

                                          New old stock CL450K3 4" extended fork tubes now fitted to restored lowers. Triple fitted with new old stock steering damper gear.

                                          Thing is - do I get longer springs and try to work out the spring rate or do I use these springs and get 4" steel tube fork sleeves (mocked up here with PVC tube)?

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                                            When installing new bearings in the rear wheel I have tapped the small bearing... — Honda CB CL 450 Owners ( 1965 - 1975)

                                            When installing new bearings in the rear wheel. I have tapped the small bearing all way in, then the spacer then the collar and large bearing. All good as far as the manual goes. Does the lock nut/locking thing screw all the way on or just enough to be snug and keep everything in tact? Is I have s bit of thread still showing. Hope that makes sense.

                                            Thanks

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                                              Photos from Gavin Canute's post — Honda CB CL 450 Owners ( 1965 - 1975)

                                              More bits ready to assemble. Fork stanchions were badly damaged. Thought I would try the superglue trick which has been somewhat successful for some people. Before anything I smoothed out what I could with 800, 1000, then 1200. Applied superglue on any pits and the large gouge. Let dry. Began sand process again using 800 until most of glue had gone. Then finished with 1000 and 1200. Then a nice polish with autosol and buff on the bench and pleased with the results very smooth and no lip at all. Only time will tell I suppose if they leak. But as it's not the std front end don't really want to spend heaps getting new parts as better spent on original stuff.

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                                                Photos from Bruce McGregor's post — Honda CB CL 450 Owners ( 1965 - 1975)

                                                For sale. _____SOLD______

                                                Capellini low 5th gear and PWS beefed up 3rd and 4th gear set. These were both new in the last six months and the engine has done 60 kilometres since initial installation.

                                                Suit race bike with standard 450 or 500T gearbox. Will post overseas. $450.00 AUD.

                                                Swapped to a Nova gearbox, so surplus to requirements.

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                                                  Photos from Bruce McGregor's post — Honda CB CL 450 Owners ( 1965 - 1975)

                                                  Small trick for assembly. Relieve the base of the barrels by 2 or 3mm on the outer edge of both liners. This allows you to install the pistons in the barrels first before you assemble the barrel to the cases. It just allows the piston to sit a bit further into the barrel and prevents the bottom oil ring from escaping during assembly.

                                                  The Hylomar gasket material after tacking off for ten minutes then gives you unlimited assembly time to get the head and base gasket tensioned up. Good stuff.

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                                                    Can someone please give me wiring of the headlight ignition controlswitch of... — Honda CB CL 450 Owners ( 1965 - 1975)

                                                    Can someone please give me wiring of the headlight/ignition controlswitch of the early model. I only find ones of the younger models.

                                                    Red Yellow - Starter ( then to ground )

                                                    White - LB lowbeam

                                                    White - DY Alternator

                                                    Brown White - TL ignition taillight

                                                    Yellow - SE selenium rectifier

                                                    Black - IG Ignition power

                                                    Blue - HB high beam

                                                    This is how i go... am i right?

                                                    Cheers and thanks.

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                                                      Hey all Can someone plz post a pic or tell me where to route the started motor... — Honda CB CL 450 Owners ( 1965 - 1975)

                                                      Hey all. Can someone plz post a pic or tell me where to route the started motor cable? I know it goes under the engine and up but seems a bit tight at the front between the frame and engine. Does it really matter if it's left or right of the oil drain plug? Having trouble finding some pics on the net. Thanks.

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                                                        Photos from Bruce McGregor's post — Honda CB CL 450 Owners ( 1965 - 1975)

                                                        Nova 6 speed has arrived - well almost.

                                                        I have an uncanny knack of attracting mediocrity. If I order something, the one that is sent to me will be the one that is mis machined, faulty, damaged or only partially supplied.

                                                        1) Clutch lifter is different to the factory unit - not supplied

                                                        2) Missing a washer for inside one of the factory needle rollers

                                                        3) Split pins for the selector fork locating pins not supplied

                                                        4) Selector drum is shorter than the factory unit and you need a blanking plug for the LH side of the case and do away with the seal that is there - not supplied.

                                                        5) Mainshaft has a nut on the end instead of the factory style circlip for the clutch hub - you guessed it, not supplied.

                                                        6) Gear teeth damaged in approx 6 spots.

                                                        All in all pretty happy, seeing as how I have just three weeks to get ready for the Island Classic.

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                                                          Photos from Paul Burnett's post — Honda CB CL 450 Owners ( 1965 - 1975)

                                                          Selling for a neighbor. Looks to have been restored somewhat. Paint looks great, some parts look like they have been blasted or painted rough grey. Spokes have surface rust. Tires are new. New seat cover. Not sure who did the work as he bought it from an in law in La.

                                                          I put in a new battery for him and a K&L carb kit when it seemed the right side would starve out after awhile. Better but still does it a little. Checked ignition and it seems strong so it maybe the fuel tap.

                                                          He bought a new business and is moving so asked me to move it for him.

                                                          Price is $3,000, Has LA. Title. Located in Dallas.

                                                          Pm me your number and a good time to call . I drive most week days and can't talk behind the wheel.

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                                                            SOLVED. Read below. last post — Honda CB CL 450 Owners ( 1965 - 1975)

                                                            SOLVED! Read below ( last post )

                                                            Hello can anyone give the correct length of the front axle of a 450 K with front drum brake?

                                                            I have put a 450k1 fork and drum wheel into a CB500 T front end but somehow it appears to have differences in the axle section. Distance of the wheel compared to both fork legs. The wheel isn't really centered somehow. Like the axle i use ( dunno of wich cb it is) is to long/short or there is a distance piece or something missing.

                                                            Please send me the length of only the axle.

                                                            Cheers

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                                                              Photos from John H Czako's post — Honda CB CL 450 Owners ( 1965 - 1975)

                                                              Hi every one, I got this 72 in a sale/trade . It is original unrestored as far as hard parts go . The engine has been rebuilt, seals,brakes,tires,cables are new .its just kept really clean. I do not know a lot about how much this bike would be worth if I ever decide to sell or trade it. Any help would be appreciated.

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                                                                Would someone care to take some macro photos of the spring loaded petrol tank... — Honda CB CL 450 Owners ( 1965 - 1975)

                                                                Would someone care to take some macro photos of the spring loaded petrol tank cap latch on their CL450, please. Rather than just go ahead following what I reckon is correct, I'd like to see some snaps, especially the position, orientation and bearing points of the spring. The new latch has a pivot pin that I can only assume needs to be peened to have it retain. It would be nice to get that with the head on the correct side too.

                                                                Not my bike, just cleaning it up so it can be ridden by the owner, who lives in Ireland and visits his daughter in Melbourne. It's just about ready for him when he gets here in a fortnights time.

                                                                I did scroll through the photos without success. Did a google images search and had a bit of success but nothing really clear.

                                                                Thanks and, hope you have a merry Christmas and New Year.

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                                                                  I wondered why I had metal fragments in the oil after the dyno runs and one... — Honda CB CL 450 Owners ( 1965 - 1975)

                                                                  netboard

                                                                  I wondered why I had metal fragments in the oil after the dyno runs and one track day. Everyone thinks I am crazy to pull it apart before Phillip Island. Well here is why. About 3mm run out on a brand new Cappellini modified clutch basket causing it to hit the filter housing. This would not be good mounted on a very expensive new gearbox. Glad I found it.

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