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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
G39AS and G33 assembly
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<blockquote data-quote="Brian Thompson" data-source="post: 42374" data-attributes="member: 2745"><p>Hello Everyone,</p><p> I have a meshing problem with the above mentioned gearbox parts. Now in the parts defence I haven't installed the gear set.These gears ( G39as and G33) are new. I have pressed the G33 into the new 5 speed gear selector plate. With G54 screwed in and I push up on the Selector plate the mesh is very notchy when turned. Am I being too judgemental with out assembling the whole gearbox?</p><p> I haven't glued the engine cases together at this stage in anticipation of there being something wrong. The first time is always the hardest.</p><p> If I put the old G33 and plate against the new G39as it turns nicely.</p><p> Please your thoughts would be most welcome? I have ordered the "Know Thy Beast" book , but getting in early I thought I'd see what I can get done.</p><p> Also something to ponder. When the new gears are assembled the detent position lines up on first and 5th perfectly. But when I put the old G33 in there ( against the new G39as) it doesn't rotate enough to line up the detent notch. I hope that makes sense. Something to watch if mismatching old and new parts. If the stop dowel was removed this wouldn't be an issue.</p><p> Cheers</p><p> brt650</p></blockquote><p></p>
[QUOTE="Brian Thompson, post: 42374, member: 2745"] Hello Everyone, I have a meshing problem with the above mentioned gearbox parts. Now in the parts defence I haven't installed the gear set.These gears ( G39as and G33) are new. I have pressed the G33 into the new 5 speed gear selector plate. With G54 screwed in and I push up on the Selector plate the mesh is very notchy when turned. Am I being too judgemental with out assembling the whole gearbox? I haven't glued the engine cases together at this stage in anticipation of there being something wrong. The first time is always the hardest. If I put the old G33 and plate against the new G39as it turns nicely. Please your thoughts would be most welcome? I have ordered the "Know Thy Beast" book , but getting in early I thought I'd see what I can get done. Also something to ponder. When the new gears are assembled the detent position lines up on first and 5th perfectly. But when I put the old G33 in there ( against the new G39as) it doesn't rotate enough to line up the detent notch. I hope that makes sense. Something to watch if mismatching old and new parts. If the stop dowel was removed this wouldn't be an issue. Cheers brt650 [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
G39AS and G33 assembly
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