Mileage after New top end

Pinebeatle

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First time doing Top end, is it normal to get not so great gas mileage t'll rings seat?? Or is it something else? Many thanks-- Have a Great XMas :p
 

Pinebeatle

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That sounds a little strange.
My sons sled, he went through a tank while I only burnt 1/2 a tank, Got the sled cheap and did a top end and dont know what miliege it was gettin before the top end? Its got 145 compresion each cylinder :confused:
 

yammyboy

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Yeah that doesn't quite seem right but ski doo has always had really good gas mileage, just keep checking your engine for irregular wear
 

Pinebeatle

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Yeah that doesn't quite seem right but ski doo has always had really good gas mileage, just keep checking your engine for irregular wear
Sled runs great-plugs where a little wet but I was running oil in the tank for first run. Jetting?? Dont know to much about that but thanks for the input :p
 

my mod

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if you think it is jetting, watch for black snow under the exhaust after you idle for a few minutes on the hill or a cloud of black when you leave from sitting for a couple of minutes. there is better ways of checking jetting but this is a quick way to check if sled is running a little rich.
 

Slamnek

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The 02's were the worst on fuel due to the non hooded needle jet i believe. The 03's were better but still sucked the fuel back. That doesn't surprise me that it burned that much more than your HCR. My 02 zx 151 would consistantly burn 1/2 a tank more than my buddies 06 rev 151. There were times that i would burn my whole tank plus a 25L jerry can and he would touch his jerry can until i ran out on the way down.
 

Clode

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02's were really bad on fuel and the 03's were a little better but still not great.
 
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