Can you over-torque the crankcase screws? With the cases assembled and yama-bonded together both my crank and transmission spin freely. As soon as I tighten the 10 crankcase screws the crank still spins freely but the transmission gets a bit tight. It's not bound up where it wont turn at all but takes a fair amount of torque to turn it by hand. Is that normal? (edited)
Can you overtorque the crankcase screws?
Re: Can you overtorque the crankcase screws?
yer tightening them in a criss cross alternating pattern, right?
Re: Can you overtorque the crankcase screws?
Something's wrong. Don't torque it together until you find what bearing or shim isn't seated. Make sure a needle bearing didn't lose a needle or some debris is in the way.
Re: Can you overtorque the crankcase screws?
yes
Re: Can you overtorque the crankcase screws?
Could try to shock the shafts bearings into place by placing a piece of 2x4 pine on it and whacking them with a hammer (not beat them to heck but a good rap)
Re: Can you overtorque the crankcase screws?
> Rebel Moby Wrote:
> -------------------------------------------------------
> Could try to shock the shafts bearings into place by placing a piece of
> 2x4 pine on it and whacking them with a hammer (not beat them to heck
> but a good rap)
Ive done this^
With wood or a brass hammer.
Re: Can you overtorque the crankcase screws?
Thanks everyone! It was the drive bearing. It wasn't seated all the way. I put a few shop rags on top of it and then used a pine 2x4 and a 4lb sledge to take about 5-6 good whacks at it. I had measured with the calipers and it moved about .5mm down into the seat. bolted the cases back together and that did the trick! Thanks again!
! Congrats!
> John Lusignan Wrote:
> -------------------------------------------------------
> Thanks everyone! It was the drive bearing. It wasn't seated all the
> way. I put a few shop rags on top of it and then used a pine 2x4 and a
> 4lb sledge to take about 5-6 good whacks at it. I had measured with the
> calipers and it moved about .5mm down into the seat. bolted the cases
> back together and that did the trick! Thanks again!
Good job! Congrats!
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