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by GORDON BROWN
Mon Oct 07, 2019 6:11 pm
Forum: Honda Scrambler - CL72 | CL77
Topic: Clutch friction plates - sources
Replies: 13
Views: 8241

Clutch plates

Hello, As DJM has said the plates are the same dimensions as the CB250/350K etc. There are various different thickness's used in CB72/77's but this is not really a problem so long as there is enough height to avoid slip and enough clearance to stop drag. Both friction and "steels" are available in t...
by GORDON BROWN
Fri Aug 30, 2019 2:38 pm
Forum: Honda Superhawk - CB72 | CB77 | CP77 | CBM72
Topic: new member ie hambone
Replies: 2
Views: 1729

Hambone Sounds like mabey more than 15 years ! Shame you have waited so long and now you are going to have another wait to get it on the road. On the plus side, there a few bikes still being restored and some parts are even being remanufactured. There is a lot of information on this site If you can ...
by GORDON BROWN
Sat Jul 27, 2019 5:21 pm
Forum: Everything Else
Topic: New member vintage c77 racer project
Replies: 7
Views: 2428

C 77 racer

Hello Diverdee Appart from weight, poor supension and lack of power, I think the biggest problem would be finding suitable tyres for the wheel sizes. Even with the CB77 there are gearbox issues with the STD parts so this will also apply to the C77 as they are the same basic design. I realise this is...
by GORDON BROWN
Sat Jul 27, 2019 5:06 pm
Forum: Transmission
Topic: clutch plate specifications
Replies: 7
Views: 3058

Clutch plates etc.

Hello Greg

I am with DJM on the plates and springs, not sure why your 66 bike would not have a cushdrive clutch though. Could be there are dimension differences on the early clutches giving you clearance issues ?

Perhaps someone on the site will know.


Gordon
by GORDON BROWN
Sat Jul 13, 2019 4:40 pm
Forum: Transmission
Topic: Duplex Primary Chain
Replies: 18
Views: 13352

Duplex primary

Hello Everyone I believe that Nova Transmissions (novaracing.co.uk) also still produce the conversion. Not sure if the clutch sprocket is in steel or alloy though. I remember getting a steel one years ago then drilling extra holes to lighten it, only to find the next batch were being made from "allo...
by GORDON BROWN
Tue Feb 26, 2019 3:39 am
Forum: Wanted - Parts | Bikes | Services
Topic: Cl77 Crank shaft
Replies: 13
Views: 5238

CL crank

Hello Mike

Graham has answered the questions, unfortunately I am a bit away from Norfolk, near Edinburgh. If you don't want to fit a new end to what you have I will see what I have.

Gordon
by GORDON BROWN
Mon Feb 25, 2019 1:21 pm
Forum: Wanted - Parts | Bikes | Services
Topic: Cl77 Crank shaft
Replies: 13
Views: 5238

CL crankshaft

Hello Mike Cant remember if the CL cranks are all 180 degrees but if they are I may be able to help with a CB72 one you could use ( you would need to blank the starter clutch oil feed hole ). You are probably aware, the only way you realy know if they are good is to have them appart and checked thou...




 

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