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Force 120 HP woodruf key breaking.

L

l-driver

New member
trying to figure out why I have been stranded on water when woodruff key breaks causing engine to die.
Is there some imbalance in the flywheel causing this or is it something in the crankshaft/piston activity?
 
The key positions the flywheel for spark timing.-------The flywheel is driven by the locking tapers.----Use lapping compound to clean up any imperfections on the tapers.----Install a factory key.-----Make sure tapers are clean and dry.----Torque the nut.
 
You woke me up when you said flywheel is driven by the locking tapers... I was under the impression the wheel was driven by the key.
Used anti-seize on tapers to make next removal easier.. Wont make that mistake again. Many thanks to all replies.
 
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