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TR2/3/3A How many guide holes in TR3 flywheel for crank pin?


Jedi Warrior
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I'm trying to determine if I mounted the flywheel correctly on my TR3, but at this point I don't want to remove the flywheel. If there is only one guide hole in the flywheel, then I may have it correct. If there are more than one guide hole, I may have it out of alignment to the way it was balanced. If anyone has a flywheel they can look at, please let me know how many guide holes for the crankshaft pin and where they are located in relation to the "arrow" mark on the edge of the flywheel. Thank you!!!!


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I just checked...the bad news is my early flywheel has 2 alignment holes that are 90 degrees out.

The good news, a good balancer will balance the crank, then add the flywheel and balance it. That means the flywheel position should not matter, as it is balanced after the crank is balanced. It is still best to keep them mated as balanced, but it should not make a difference...unless the balancer was in a hurry and just bolted everything together and balanced it all as a unit.
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