| Listed in parts books | Not catalogued by year yet |
SPROCKET 19T PU ENG CRNK
19-tooth pre-unit Triumph engine sprocket that fits on the crankshaft to drive the primary chain.
This is a 19-tooth engine sprocket for the pre-unit Triumph crankshaft, listed in our records as 70-3108/19. It mounts on the crank end and is what the primary chain rides on to carry drive from the engine out to the clutch and gearbox.
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The catalog entry we have on this one is brief - we don't have more detail on it beyond the tooth count and its place on the pre-unit crankshaft. If you're matching this against what's currently on your engine, check the tooth count and the crank taper/fit before you order.
Call the shop and we'll confirm fitment before you order if you're not sure this is the right sprocket for your setup.
Sorry if we got something wrong here. If you think this information isn't correct, .