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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Gear Teeth
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<blockquote data-quote="ogrilp400" data-source="post: 89105" data-attributes="member: 88"><p>Dear All,</p><p> I have just spent two hours attempting to get a gearbox together and turning. Fitting the cover plate causing it to bind up and be notchy. Refering to probably the least used page in the spares list, MO12. </p><p> I have always found that pairs of gears in a gearbox add up to the same number. Not so with a Vincent box it seems. The gear A, G6/1 I have fixed to the main shaft has 19 teeth. This is paired with gear B, G7 29 teeth on the lay shaft adding up to 48 teeth. How come all the other options for A G6 are 18 teeth paired with the same B G7 adding up to <u>47 </u>teeth? Note that gear pair E and H are 27 and 20 teeth adding up to <u>47</u>. Going by the table again the center two pairs of gears are mismatched as well.</p><p></p><p> Phelps.</p></blockquote><p></p>
[QUOTE="ogrilp400, post: 89105, member: 88"] Dear All, I have just spent two hours attempting to get a gearbox together and turning. Fitting the cover plate causing it to bind up and be notchy. Refering to probably the least used page in the spares list, MO12. I have always found that pairs of gears in a gearbox add up to the same number. Not so with a Vincent box it seems. The gear A, G6/1 I have fixed to the main shaft has 19 teeth. This is paired with gear B, G7 29 teeth on the lay shaft adding up to 48 teeth. How come all the other options for A G6 are 18 teeth paired with the same B G7 adding up to [U]47 [/U]teeth? Note that gear pair E and H are 27 and 20 teeth adding up to [U]47[/U]. Going by the table again the center two pairs of gears are mismatched as well. Phelps. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Gear Teeth
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