Question about 1986 Yamaha RD 350

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How much compresion should a 01 banshee have on each cylinder

What is the lowest compresion you can have

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Anything under 105 psi you definately need to rebuild your top end.new pistons/rings and a bore.A stock cylinder banshee with factory pistons should average around 125 psi.After a bore and new pistons you will be around 135-140 psi

Posted on May 30, 2009

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The bike will still run even at 7:1 or a little lower, but the specifications call for about 10:1.

Posted on Feb 12, 2009

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1 Answer

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Jun 16, 2009 | 1986 Yamaha RD 350

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