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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Non Cold Start 1991 KDX250
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[QUOTE="julien_d, post: 1408290, member: 98751"] I think you can use some kx gaskets of the same years. Some people use kx head and/or base gasket and it raises the compression a touch. It could be crank seals. Are there any other signs of leaking crank seals though? Excessive smoke? Using transmission oil? Premix residue behind the stator cover? If none of these things are evident, I'd look at fuel delivery. Since you said a shot of fuel in the cylinder fires it up, I'd expect it's not getting enough fuel. Pull the carb and clean every passage. Blow compressed air through them backwards to clear them out. Guitar strings work well as carb cleaning tools too, just be careful not to scratch or mar any surfaces. Pay special attention to the choke, since it is critical to cold starting. Of course, make sure compression is good and airflow is not restricted either. Reeds that don't seal can cause hard starting issues too. Sorry, this is all pretty basic stuff. Pretty easy for you to check though if you haven't already. Oh, and congrats on the 1st post. good to meet ya :cool: [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Non Cold Start 1991 KDX250
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