stanton
L1 Scorpion - The Great Snowmobile
Posts: 2
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Post by stanton on Dec 12, 2019 18:52:32 GMT -5
Hello All, I bought a Sidewinder a few years ago, it sat in a barn for 30 years I was told. Cleaned it all up new fuel lines, went through carbs, fired right up. Rode it around, ran great, with the caveat the hotter it gets the more it bogs. Doesn’t back fire, or breakup, just starts to bog progressively until eventually it won’t move. Thought it was a CDI, so I put a new one on. Same exact thing. Put it back in shed, been sitting for a couple years again now. Seems electrical to me, I’ve checked compression-good and sprayed starting fluid on PTO, doesn’t change. Appreciate any ideas anyone has before I get it back out as to what to look at.
Thanks in advance!
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Post by shreddagnar on Dec 15, 2019 10:23:15 GMT -5
My guess would be the external ignition coil.
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kerry
L2 Scorpion - Above All
Posts: 69
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Post by kerry on Mar 7, 2020 21:37:23 GMT -5
Do a compression test on both cylinders and see how close they are.Chances are the pto side will be lower but if more than say 10-15 lbs less than likely you have some scoring.Pull your intake and your exhaust pipe and look at your pto side piston- if you see any scuffing chances are you are overheating that side which puts you in the same boat as alot of us.Trying to cool these hot little engines down without sacrificing too much power. Kerry
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curt
L1 Scorpion - The Great Snowmobile
Posts: 1
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Post by curt on Mar 30, 2020 9:51:58 GMT -5
Where did you find a new cdi? been looking and can't seem to come up with anything
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