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What is causing excess gas consumption in my snowmobile?

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Discussion Starter · #1 ·
Looking for some tech. advice on my snowmobiles guys! I have 2 Yamaha Mt Max 600,one was purchased in 97, the other in 98. The 98 sled burns a quarter tank more of gas than the other. No matter who rides it or what the trail conditions are--it always burns a quarter more than the other! I have had both sleds in fora complete service and they can't find the problem to the excess gas comsumption--everything meets specs!!!! Any suggestions?:confused: :confused:
 

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i think your pole is a little messed up


how many cylenders in each? some say this doesnt really affect it but i have heard of yahmaha 700's sucking down the gas, just the way it is. you could rejet, and tune accordingly but i think these engines just get poor milage.
 

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ive heard from people that the 700 tripples are easier on gas than 600 twins....from my own experience, my 600 twin likes her gas
 
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