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Discussion Starter · #1 ·
So I’m at a loss of what to do. I’ve got my mother in laws 2004 sportsman 500 H.O that I’m trying to get running so I can sell for her but I can’t get to turn over. I’ve done a list of stuff to it and don’t know what to do now I’ve done all of the following already
1. New carb
2. Adjusted valves to .006
3. New intake
4. New fuel pump
5. In-line air breathers
6. Drained fuel and put new fuel
7. New spark plug and verified it was sparking
8. Tried starter fluid
Any ideas on why it won’t stay running?
 

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If it wont crank id be checking/charging the battery first.

Or is it cranking but not fireing? If its cranking and not fireing when you have spark and ether going in then i would check compression.
 

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If its got spark and still wouldnt start on ether im guessing you are low on compression...unless you got a blocked intake or something..,.check the air box/intake tube for mouse nests, random debris, etc.
 
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