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Discussion Starter · #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
 

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^^^+1 new plugs fresh gas check plug wires and coils.
 

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The Glistening Turd
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Agreed with them, if it has set a while almost guarantee carbs need cleaned.
 
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Bitches love Fighters
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first step really should be inspect plugs and swap them around in the cylinders to see if the misfire follows the plug.
 
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Sick of being frozen
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Move to the "streetfighter help needed" section for more attention and give us more info on the bike, model, miles, how long sitting?
 
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Discussion Starter · #7 ·
Sorry its an 89 Yamaha fzr 1000, it has been sitting up for a year or so , just started up now and then for few mins , gonna swop the plugs around see if its one of them that's the problem , if not that then carbs might need a look at

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