Senior Clinician
Currently Offline
East Tawas MI
Posts: 119
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Joined: Sept 11, 2011 14:47:52 GMT -6
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Post by Tawas on May 31, 2013 18:27:20 GMT -6
I just ordered a 150cc/ 57mm/DZ1P57QMJ stock cylinder head just asking a question..when I ordered the cylinder they asked if the cylinder head was a 2.5 or 3 inch?? .. kinda thought thats was a different question..I ordered the 2.5 is this correct FYI no markings on my head or cylinder jug
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Post by Alleyoop on May 31, 2013 22:52:03 GMT -6
Did you measure the one in there just get a ruler and measure across the old cylinder.
Alleyoop
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Post by Bashan on Jun 1, 2013 16:00:11 GMT -6
Always good advice from Alley. Here are the standard GY6 head measurements for a 157QMJ (150cc):
The 3" thing comes from a Kazuma head for ATVs or something like that. It doesn't apply to scooters as far as I know. I've always ordered using those measurements regardless of whether it's a P head or not.
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..BAD TO THE BONE..
