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Hole positions in silent blocks.

Posted: Thu Jun 11, 2009 10:28 pm
by corrado
I'm fitting new SB with 2 holes, Sticky's says flywheel side holes at 8 o'clock and 10 o'clock and the kickstart side holes at 10 o'clock and 1 o'clock, this doesn't seem right to me, there's no balance to it, plus one is a 2 hour gap and the other 3?? The 3 hole ones seem to have all the holes in the same place on both sides, ie one hole at the bottom and the other 2 facing forwards.
8 o'clock and 10 o'clock plus 2 o'clock and 4 o'clock would make more sense to me. Anyone got any other views?

Re: Hole positions in silent blocks.

Posted: Fri Jun 12, 2009 1:28 am
by MarkH
i think that's got to be a bit of a typo since the spacing isn't there to achieve 10 and 1.

i've always done 8/10 and 11/1

Re: Hole positions in silent blocks.

Posted: Fri Jun 12, 2009 2:51 am
by corrado
All the new SIL engines I've had recently have them at 2 and 4 o'clock on the driveside and 8 and 10 o'clock on the mag side.

Re: Hole positions in silent blocks.

Posted: Sat Jun 13, 2009 7:57 pm
by MarkH
yeh - i also noticed in the sausage video that they come out in that position but then the new ones go back in the position i described. seems to work.