Posted May 2, 201015 yr I have a 1978 yz 400 that won't start cold unless you add fuel to the cylinder. once running and warm it will restart first kick. any help would be great.
May 2, 201015 yr could be your piston rings are shot but dont hold me to it. do a compression check to find out.
May 2, 201015 yr Author I have a 1978 yz 400 that won't start cold unless you add fuel to the cylinder. once running and warm it will restart first kick. any help would be great. it has a brand new top end.
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