Cyl to case 12 ft lbs is my guess, there's no room for a torque wrench on the nuts, so you'll have to guess by hand
Fly Wheel 12 - 17 ft lbs, once again it's easy to guess , I guess by hand, also put Anti Seize on the FW bolt threads, NO Loctite
How to hold the Cast Iron FW while loosening and tightening the bolt
If you haven't discovered it already, let me show you a trick.
There should be a balance hole or holes in your flywheel
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With a tool about the same size as that hole use it to hold the flywheel.
As you can see I use a socket screwdriver
Don't go crazy tight or ya might break off the chain guard mounting post
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You'll need a 3 Jaw Puller
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Drill a devit in the center of the bolt face so the puller bolt point can have a place to seat itself
Do not put the puller bolt point directly on the crankshaft threads or it will bugger them up
Then you'll have to buy a tap and chase the threads, Yeah, I made that mistake once
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