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79 cb750F2 starter clutch

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scottly:

--- Quote from: archmill on October 18, 2026, 03:39:29 PM ---
How do you measure the depth of a dent on a round boss ?

--- End quote ---
I used a dial indicator with the starter gear mounted on an arbor in the lathe. ;D

K2-K6:
Nice work archmill. Good thinking about the approach and test piece to establish limits of tolerance.

It's not that often these Honda sprag fail generally.  Something that's apparent from running earlier Triumph Hinckley triples is importance of having decent battery output. If they are anything slow in turning over, then sprag clutch is vulnerable to excessive wear on those.

At least there's kick-start on these Honda of the era.

Bryanj:
Might be worth putting this on the Honda twins forum as the 450 and 500 used to do this regularly, well done for working out its possible.
We used to have a local engineer who subbied for Dowty that used to repair cam carriers with pegged in phosphour bronze half bushes

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