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Discussion Starter · #1 ·
My snowmobile does not have all the powers it normally does. If you are on a packed done snow spot it will start out slow then build speed up until it about thirty mph then thats all the faster it goes. All the pistons have the same pressure and i ran it while spraying carb cleaner down it but still only goes to a certain speed and thats all the faster it goes. thanks
 

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could be one of many things.

does the engine make any weird or different noises when the situation occurs?

has this issue just started to appear and is this about the first time the sleds been ran this season?

was it working fine this season and the problem is just now showing up?

the more info you can provide, the quicker we can figure out the problem .
 

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Discussion Starter · #3 ·
yamaha vmax sx 700

well it hasn't been ran for probably three years it pops quite a bit this year but thats the only weird noises it idles just fine though. But last year we cleaned the jets in it and it ran great on half choke but as soon as we toke off choke we would give it gas and it would bog out. But this year when we started it up it did what i said in the previos message.
 
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