TRX350D engine question for ATC350X motor

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Feb 12, 2005 | 02:03 AM

MY86ATC350X

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TRX350D engine question for ATC350X motor

is the top end of the 86-89 trx350d same as the 350x, bacause some guy is selling me a wrecked one and i was wondering if those parts interchange with the 350X. i started the TRX350D engine and runs mint.

Feb 15, 2005 | 04:51 AM

KNOWSALOT

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TRX350D engine question for ATC350X motor

It is EXACTLY the same top end other than the camshaft grind ofcourse. Same valves, springs, and even the porting is the same.

Same cylinder as well.

Feb 15, 2005 | 07:46 PM

MY86ATC350X

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TRX350D engine question for ATC350X motor

alright thanks man. ill just remove the top end off the trx and get it ported and polished,new valves,seals,springs,retainers etc. and mabe bore the cylinder. meanwhile i ride the 350x, and thats getting done.