starting problems

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BillNH
Posts:100
Joined:Tue May 12, 2009 6:54 pm
Location:Charlestown, NH
starting problems

Post by BillNH » Sun Feb 08, 2015 3:58 pm

I can't get my 503 to start, good spark, seems to be pumping fuel, but none is getting to the spark plug. I just pulled the motor, 160 lbs compression, now to check the crankcase seals, I made to covers for carb and exhaust. Now I need to fab the hose/fittings to pump up the pressure, a couple fittings and I'll be on the way.
Bill, 503 Diablo Rouge, 444 mongrel. 2009 Arctic Cat 570
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BillNH
Posts:100
Joined:Tue May 12, 2009 6:54 pm
Location:Charlestown, NH

Re: starting problems

Post by BillNH » Tue Feb 10, 2015 7:11 am

Well, I think I found the problem. I pulled the motor and checked for crankcase integrity, air blowing out the flywheel side so loud you could hear it with everything buttoned up. After pulling the flywheel, I could feel the air coming out on my cheek next to the shaft, only 3 lbs needed. New seals are definitely in my future.
Bill, 503 Diablo Rouge, 444 mongrel. 2009 Arctic Cat 570
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