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Details
| Listed in parts books | Not catalogued by year yet |
GEAR,LAYSHAFT 3RD
A layshaft third gear for the gearbox, part number BK89AS.
PN · BK89AS
BK89AS is a layshaft third gear, part of the gearbox internals. It's the gear that carries third-speed drive on the laystaft (also called the sliding shaft or first-motion/second shaft depending on which era's parts book you're holding), meshing with its mating gear on the mainshaft to make third gear happen.
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Our records on this one are thin — we don't have more detail on it beyond the basic description. If you're chasing this down for a rebuild, give us a call with your gearbox casing number or the bike details and we'll confirm this is the right gear before you order.
$160.49
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