650 stand up won't start please help

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Jul 18, 2008 | 04:06 AM

ssgerken

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Joined: Jul 2008

Posts: 2

650 stand up won't start please help

I just bought a 89 650 standup. It has good spark, new plugs, and is getting gas, but it won't start. It does try sometimes, and it does backfire sometimes. Anybody got any ideas? Thanks in advance.
STeve

Jul 21, 2008 | 02:22 PM

JSTER

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RE: 650 stand up won't start please help

Enen though the plugs are new make sure they're not fouled due to excess fuel in the cylinders.

Jul 21, 2008 | 02:35 PM

kawi750r

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Posts: 2,126

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RE: 650 stand up won't start please help

backfire? does it try to start or what does it do?

maybe timing is off?

Jul 22, 2008 | 02:43 AM

ssgerken

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Joined: Jul 2008

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RE: 650 stand up won't start please help

Plugs are good, I think it may be timing. How do you adjust timing on these? Thanks.

Jul 24, 2008 | 07:47 PM

hoedogg

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Joined: Feb 2006

Posts: 17,484

From: bay area cali

make sure ur using atleast 91 octane and that the mixture is correct two strokes are fussy like that.

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