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Yam fzr not does nt sound good

1K views 9 replies 7 participants last post by  kevfzr 
#1 ·
Sounds like all four spark plugs are not firing , one header pipe is not heating and other 3 are too hot to touch , ,
Any ideas
 
#3 ·
^^^+1 new plugs fresh gas check plug wires and coils.
 
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