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HELP! Removed flywheel from 50hp (1983, inline 4) without marking position

J

jaykmar

Member
Hi all,

My 50hp inline 4 Mariner (2 stroker, 1983 model) recently threw a rod and I had to rebuild the top end.
Coming from a background of rebuilding 2 stroke motorbikes I have some competancy here, but one mistake I made was I forgot to mark the flywheel/harmonic balancer when I pulled it off.

I read that setting it back is as simple as finding TDC for the 1st cylinder and lining this up with the 'zero' marking on the flywheel. Is this all I need to do? or is there something more I need to know to put it back correctly. It just sounds too easy!

Thanks! :)

EDIT: To add, I also removed the stator and trigger assembly. Is there any special way of putting these back in too? Thanks
 
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The flywheel should have a keyway in so no need to index.
The trigger/stator should fit only one way also.The wiring on the stator and connector linkage on the trigger can only fit one way.J
 
You might be able to see stains / rust marks and match up the hub and flexplate that way.--------------------Next time pull it off the proper way !
 
Piece of cake:

1. Find TDC on cylinder # 1

2. Rotate the flywheel (bolts out) until the TDC pointer lines up

3. Bolt her up.

Jeff
 
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