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Old 10-24-2023, 06:49 AM   #10
nkaminar
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Join Date: Jan 2012
Location: Western North Carolina
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Default Re: engine vibration

Richard has some good points (post #8). All of the old rubber in the rear mounts is hard as shoe leather. Since you have decided to pull the engine, that would be a good time to replace the rubber and check the front engine mount. The original front engine mount, with the springs, works the best. Don't use the replacement ones with the rubber parts. If you have the Float-A-Motor mounts at the rear, do not tighten the bolts that go through the rubber pads. Just snug them up, maybe a couple turns after they bottom.

A counterbalanced crankshaft will help with the vibrations.
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