yz80nbeast

Member
Jan 25, 2007
171
0
my brother has a yz125 and we had the top end done because we bout it not running and it runs now but i start it ride it and then it boggs down and it will not start after about 5 mins and the spark plug is barely fouled but if i put a new one in it will start and do the same thing but i can let it sit for an hour and it will start and do the same thing? plase help
 
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