400 scrambler hard start
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400 scrambler hard start
It likes to wet the plug easily. Just barely idle and if i time it right can go otherwise she floods and big backfire when trying to start again. Once running she runs great! I have added stp gas booster to no help. I have tried 3 new plugs and usually starts decent first time but after that no. Any ideas?
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You can look at Pure Polaris Parts Catalog OR to get prices look at Cycle Parts Warehouse for the engine breakdown of your model! You can either order individual bearings or also try to match em up at auto stores or if you have a bearing supply house nearby,even better! A four stroke gets it's most accurate compression reading by holding the throttle wide open,but not that critical on a two stroke.Try again though with the throttle cracked open and if it's still 90 psi then awfully low!! OPT
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