1998 Polaris Indy 500

[Motox56]

My daughter has a problem with her sled.sometimes it just doesn't want to move. I tried to put in a new clutch that didn't work then the carbs were cleaned and adjusted that didn't work. If you got the rpm's up it would run but if you backed off it would bog out. So then I thought the secondary wasn't opening so I had it cleaned. Thought the problem was fixed when my daughter and I went out for a 100 hundred mile run and it worked well. Then my wife took it out had more of the same trouble anybody out there might have an answer that would be appreciated

 

[cokecrazed007]

Check for a vacuum leak on your fuel pump, does it rev up then bog?

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[Sprint5]

It might be the head gasket getting it looked at professionally would be your best bet.