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Post by baldmeister on Oct 21, 2015 18:46:09 GMT
hi, i have a 3 speed vbb and have managed to source a (rather rank) 4 speed engine.
what is involved with swapping the gears?? is it a staight swap??
cheers for any help. dj
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Post by bryno on Oct 21, 2015 19:26:55 GMT
Sure this was asked not long ago...
Yes it's easy, just swap over the entire axel asembly with the cogs, and to keep it simple use the VBB pushrod/cruciform. Also need the cush drive Xmas tree and the selector box from the VBB, bar end is also interchangeable between VBA and VBB if you want 4 speed on the grip.
VBB 4th is same as VBA 3rd I believe, so it won't go any quicker, but does make it a nicer ride.
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Post by henri on Oct 22, 2015 7:18:57 GMT
as above ,but whilst there stick a new cruciform in . if engines rank on outside i'd bet the cruccys shagged . an whilst lumps apart theres other little bits worth replacing like kickstart rebound rubbers ,etc. careful tho its easy to get drawn into a full strip/seals/bearings/re-build .but would have a "good as new" engine at end .H
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Post by baldmeister on Oct 22, 2015 19:14:37 GMT
cheers for the advice chaps, may have to ask more when i get round to doing it!!
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