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91
Technical / Re: C10 3 speed bearbox is not selecting gears> why?
« Last post by timsdad on November 28, 2017, 07:17:21 AM »
It sounds to me like the casing is binding up on the shafts when the bolts are fully tightened. It may well be that it just needs two outer gaskets because the pattern ones are a bit thinner than the originals so you could try doubling them up. Also, you mention the spring-loaded plungers so maybe these need a thicker copper washer if one of them is going in too deep. I suppose you've tried slackening them off half a turn.

I had this problem a couple of years ago with a Norton gearbox. I just made replacement gaskets from thicker gasket paper and it was fine.

Ray
92
Technical / Re: C12 fork disassembly
« Last post by chaterlea25 on November 27, 2017, 09:42:45 PM »
93
Technical / Re: C10 3 speed bearbox is not selecting gears> why?
« Last post by stev60 on November 27, 2017, 06:00:55 PM »
Same problem, as soon as the kick start shaft comes in contact, it wont select first unless wheel is  rotated, they are simple and there is only one way they can go together, unless there is something Ive overlooked. If the two casings are moved apart slightly it selects perfectly.





94
Technical / Re: C10 3 speed bearbox is not selecting gears> why?
« Last post by Markjoe on November 27, 2017, 01:45:49 PM »
Does the input and output shafts rotate ok when in neutral? Have you tried taking out the Kickstart shaft and bolting up the case to see if it's causing the issue.

Hi

yes they turn perfectly, very smooth.
95
Technical / Re: C12 fork disassembly
« Last post by Owen on November 27, 2017, 12:16:50 PM »
You need to hold the fork leg in a vice and either use a strap wrench or seal holder removal tool to us do the fork seal holder fron the leg. You then lift up the seal holder and prise the Circlip out of the leg. You shoud then be able to remove the fork shaft from the leg
96
Technical / C12 fork disassembly
« Last post by cadetchris on November 27, 2017, 12:11:17 PM »
In my recommissioning of my c12, I have emptied my forks of oil, having first chipped the paint off the screws first.
Initially nothing ran out the drain holes but having taken the top cap off and stuck 12 bar through the hole, I discovered that the oil had changed to mayo and in dire need of a clean out.
So how do I dismantle them?
I have got them off the bike, springs off and that’s as far as I get. Having read the service sheets, I know there is a circlip some where, but I cannot find it. Also am I able to screw off the chrome cups? I assume the oil seal is at the end of these, but not being able to see, it’s just an assumption.
97
Technical / Re: C10 3 speed bearbox is not selecting gears> why?
« Last post by Owen on November 27, 2017, 12:10:34 PM »
Does the input and output shafts rotate ok when in neutral? Have you tried taking out the Kickstart shaft and bolting up the case to see if it's causing the issue.
98
Technical / Re: C10 3 speed bearbox is not selecting gears> why?
« Last post by hampshirebiker on November 27, 2017, 10:33:28 AM »
That won't be difficult; will it.  ;D
99
Technical / Re: C10 3 speed bearbox is not selecting gears> why?
« Last post by bangers-c10 on November 27, 2017, 09:57:29 AM »
someone else here might be able to explain better.
100
Technical / Re: C10 3 speed bearbox is not selecting gears> why?
« Last post by bangers-c10 on November 27, 2017, 09:53:16 AM »
Ive had this problem before, its just a matter of lining things up right,i put a few marks which helps me.
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