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Default crankshaft balance factor

thanks for all the info, guys. so the answer seems to be 50% to 70%;
quite a spread.
Just to be clear; crank is 360 degrees, that's what I meant when I said
both pistons run in paralel.
Jim;
The Bike is 27 years old; used parts will be the same age.
shipping costs to India will cost more than the entire job, machining
and all.
you can't put a different crankshaft in without new undersized bearings
and a crank grind. finding new undersized bearings will be as much work
as getting the crank ballanced,
aside from that, techincal items will get stuck in customs for months;
if I ever get them at all. you don't mail things like this to countries
like this, you make do with what's available. A full days wages here is
about $3.US, 5 for a skilled machinist. that's why we do these things
instead of just throwing the bike away; and because there is no new
bike like it to replace it with anyway.
Daniel; ebay is not two words; when you're in this part of the world,
it isn't even 1. few vendors will even ship out of the US.
information flows cheap and good though!
regards, Mark