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  318 Gasket Set
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   Author  Topic: 318 Gasket Set  (Read 374 times)
dando127
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318 Gasket Set
« on: December 8, 2017, 04:59:38 AM »
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Anyone know which gasket set will work for a 1969 318 cc???  Will the ones for the 1973 335 cc work??? 

Dan
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dando127
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Re:318 Gasket Set
« Reply #1 on: December 9, 2017, 06:45:58 AM »
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I got the 318 running last night.  Checked compression - 140 psi.  I should be OK without the gaskets.  It would still be nice to know which gaskets to use if I ever needed to rebuild.
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olympic
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Re:318 Gasket Set
« Reply #2 on: December 9, 2017, 03:25:41 PM »
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A 335cc head gasket will be to big a 300cc will work. The 318cc has the same stroke as a 335 but a bore size of a 300.
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69 Olympic370,71  Elan250,1980 Blizzard9500plus,2000 MXZ440F,2002 MXZ600
Bones
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Re:318 Gasket Set
« Reply #3 on: December 9, 2017, 04:41:44 PM »
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Ski Doo / Rotax used the same head gasket for the 320 and the 335. All the gasket from a 73 - 335 kit ( head, base, intake, exhaust and crank case are the same, but...the crank seals are different starting in 71.
A gasket kit for a 70 - 335 and 69 - 320 will totally inter -change.
Bones
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dando127
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Re:318 Gasket Set
« Reply #4 on: December 10, 2017, 06:34:48 AM »
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Thanks guys.

Dan
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