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  1. 1978 Yamaha ET 250 - Spark Issues - HELP!

    Vintage
    Hello, New here and i am stumped on this sled.. i really need some help or input from you guys.. I have a 1978 yamaha ET 250.. and i'm having spark problems. This is the scenario... Sled will run fine.. all day long until you shut it off... when it is shut off it will not start again. the plug...
  2. Spark plug size.

    Polaris
    I have a 1997 xlt 600 limited. I think I have the wrong spark plug size. I am using br9es but I fouled different plug each time I ride. Only reason I am using that size is bc that's what was in it. Carbs are all the same I know it's not the carb setting. I found on ngk web site that br8es is...
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