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Jumping out of 3rd gear
Posted: Thu Aug 31, 2006 1:15 pm
by iandollysprint
My Sprint keeps jumping out of 3rd gear on overun.<br>
<br>
Also 2nd is more difficult to engage than any other gear and 3rd to 4th crunches if I take it fairly quickly. Looking to have an exchange gearbox unit from TD Fitchett (£175 inc VAT) which seems reasonable.<br>
<br>
Will this solve my jumoing out of 3rd gear though? TD Fitchett commented that it may be the selector mechanism which is not included in the gearbox rebuild.<br>
Thanks<br>
<br>
Ian
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gears
Posted: Thu Aug 31, 2006 2:25 pm
by george
likley to be internal rather than selectors<br>
the 3/4 syncro hub and baulk rings is the suspect area your looking at as it's coming out on over run
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Re: gears
Posted: Thu Aug 31, 2006 11:00 pm
by slant04
Internal - detent springs on selecector either way best rebuild it!
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Re: gears
Posted: Thu Aug 31, 2006 11:13 pm
by Jod Clark
I'd stay away from those re-CON boxes, I know the bloke that builds them. Mark-up on his supplied price is in the order of 110 quids, leaving not much left for doing the job right <!--EZCODE EMOTICON START :( --><img src=
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<br>
Jod
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Gearbox rebuild
Posted: Fri Sep 01, 2006 9:29 am
by iandollysprint
Jod<br>
<br>
Thanks for the advice. I really am considering having mine rebuilt as it only has 62k miles on it and I just don't know what I would get from a recon box. Any suggestions on who could rebuild my sprint box for me?<br>
I know it may cost more than the 175 quoted by Fitchetts but I want this job doing correctly.<br>
<br>
Ian
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Re: Gearbox rebuild
Posted: Fri Sep 01, 2006 10:22 am
by Sprint36
Mike Papworth does box rebuilds, but I can't comment on the quality as I've never had one done. His details are on the suppliers section of the website. Also Carl Shakespeare mentioned having a box rebuilt. Carl are you listening?<br>
<br>
David
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Jumpimg out of 3rd Gear
Posted: Fri Sep 01, 2006 12:35 pm
by Mark Larmour
Mainshaft circlip, which retains the 2nd/3rd gears has either broken or worn. If there is excessive movement in these gears, the gearbox will ALWAYS jump out of 3rd gear.
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DIY
Posted: Sat Sep 02, 2006 9:50 am
by slant04
There an easy self rebuild with a bit of patience. I've a spare dummy layshaft if you feel like a go
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Re: DIY
Posted: Sat Sep 02, 2006 11:26 am
by alun n
Papworth used to do the Canley 'boxes. Apparently knows his stuff and could probably do you an exchange off the shelf.<br>
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Papworth
Posted: Sat Sep 02, 2006 1:37 pm
by iandollysprint
Thanks to you all for the advice.<br>
<br>
How do I contact Papworth?<br>
<br>
Ian
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