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help sportman 500 no power

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Old Apr 24, 2012 | 06:52 PM
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Default help sportman 500 no power

wheeler runs like it has a 5 hp motor. it takes about a country mile to reach top speed. the odd thing is the problem is not constant. we checked the electrical and carb and cam. any ideas
 
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Old Apr 24, 2012 | 07:28 PM
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Please don't double post in the general forum and the expert section also! If it takes a while to build up speed I would have the clutches,belt ,etc checked out first, IF you're sure the cam,carb,fuel supply has been eliminated. OPT
 
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Old Apr 24, 2012 | 08:03 PM
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if it was a belt the problem should be constant and its not
 
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Old Apr 24, 2012 | 08:39 PM
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If you haven't pulled the recoil and checked the stator and pulse coil for mud,dirt,etc wouldn't take long to check this along with checking stator and pulse coil resistance specs. Don't hold me to it but the pulse coil white and white/red wires leading to the cdi should be around 97 ohms + or - 20% and the stator red and red/black OR red and green?? should ohm out at 446 ohms + or - 20% also. Plus have you made sure your fuel isn't water contaminated or old? Fresh fuel? Good fuel flow to carb? Clean air filter,etc??? OPT
 
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Old Apr 24, 2012 | 10:32 PM
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thanks opt
i sent the info to my mechanic so well check into that tomorrow.
 
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Old Apr 25, 2012 | 08:46 PM
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i stopped in by my mech today. he says it does not seem to have a problem advancing. the spark seems fine. ant the clutch looks like new we thought the clutch might be shifting to early by we rulled that out
 
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Old Apr 26, 2012 | 07:19 AM
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If he's a good mechanic then he'll figure it out OPT
 
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Old Apr 26, 2012 | 09:15 AM
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At 55 dollars an hour I don't know how much longer I can pay this guy to chase down the problem I do have confidence in him it's just he is at a dead end
 
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