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hard start..Pilots?


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Just got a buddies bike back together, has a hard time starting. Needs choked every time and kicked about 10 or 12 times. Has FMF gold series power core silencers, shaved head not sure how much, 280 mains, 27.5 pilot, needle in middle, 120 on each cylinder, K and N filter stock box no lid. Good color on plugs runs good once it gets going. Carbs have been cleaned several times with detail each time. Each has been properly set. My question is should we try bumping up pilots? Is a biatch to start sometimes. Appreciate any help

 

Oh and tank and petcock has also been cleaned

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Not sure on how much head was shaved. We cleaned flywheel and set gap when it was going back together. Has a nice blue spark. Have replaced plugs and gapped them also. Cleaned frame ground spark is great. Also set floats. Not sure what else to check like I said it runs great just don't like to start too easy

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Yep has brand new carb kits and choke rebuilt. Could it be such a thing that it just needs to "loosen" up? We took it down because somebody welded the front sprocket to trans shaft and was a little low on compression found it had vitos pistons and all measurements checked out so we put new rings and honed. Still followed proper break in. Might check the choke again though that's the only thing we haven't checked and rechecked.

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  • 2 weeks later...

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