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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
New Gearbox: Help Needed
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<blockquote data-quote="greg brillus" data-source="post: 105694" data-attributes="member: 597"><p>I have had several instances now with new gears mostly from the VOC spares co where the first gear sliding gear G 9 hangs up on its mating gear G10. The problem is the OD of the dogs on the sliding gear are larger in diameter than they should be and they just grab on the inside of the G 10. If you simply linish down the outside of the G 9 dogs just a whisker this will allow the two gears to mesh with no resistance. Ihave had the same trouble where G 8/1 slides into G7 but not as often. I'm pretty sure this will be your trouble..........Also as Robert has pointed out, the detent plunger/spring can be too stiff on the cam plate. If the cap G 37 screwed into the top of the G 2 cover plate is backed out a turn or so, this helps a lot. remove the spring and squeeze it till it coil binds in the jaws of a vice. This will shorten the spring by about 2 mm ....... this is enough to relieve the excess tension on the plunger, and make it shift much easier. Good luck and keep us posted........... Greg.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 105694, member: 597"] I have had several instances now with new gears mostly from the VOC spares co where the first gear sliding gear G 9 hangs up on its mating gear G10. The problem is the OD of the dogs on the sliding gear are larger in diameter than they should be and they just grab on the inside of the G 10. If you simply linish down the outside of the G 9 dogs just a whisker this will allow the two gears to mesh with no resistance. Ihave had the same trouble where G 8/1 slides into G7 but not as often. I'm pretty sure this will be your trouble..........Also as Robert has pointed out, the detent plunger/spring can be too stiff on the cam plate. If the cap G 37 screwed into the top of the G 2 cover plate is backed out a turn or so, this helps a lot. remove the spring and squeeze it till it coil binds in the jaws of a vice. This will shorten the spring by about 2 mm ....... this is enough to relieve the excess tension on the plunger, and make it shift much easier. Good luck and keep us posted........... Greg. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
New Gearbox: Help Needed
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