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toolman0114

1988 Yamaha Big Bear 350 4x4 - Spark Plug

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I took my 1988 Yamaha Big Bear 350 4x4 out for a ride today and it started to miss fire, it starts great, sounds great at idle, but at high RPM it starts to miss fire.

I want to change the spark plug first, can somebody recommend a plug? What would be the best plug to put in it? I was thinking an NGK DR8EIX

Does anybody have the procedure to adjust the carb?

what should I check if it isnt the plug??

Edited by toolman0114

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those are really good plugs from what i have been hearing and reading ...

cheriah would probably be best to talk to about the carb procedure, just message her here toolman0114

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I tried to send her a message but the system wont let me.

I cant send any messages to anybody, the message area is greyed out

Why cant i send messages?

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