March 2009
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2000 MXZ 600 Bored to 670
Posted March 1st 2009
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i need a little help, i picked up a 2000 mxz 600 factory thats been bored out to a 670. The sled is piped, big wheel kit, 136 inch track, round slide carbs..oh and oil injection has been disconected.
Before i pulled the 380# jets it was burning a ton of fuel, but the sled ran a good 110 km at 7500 rpm and was more than happy with that.
now i installed # 330 jets and am having problems.. speed tops out at 80 km and is tacked out at 7600 rpm
60 km and 6000 rpm
dead stop sled doesnt start pulling untill reved to about 4000 rpm
the whole point of jetting was to try and get a little better fuel economy..
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