2010 Yamaha Grizzly 450 wont start - ATVConnection.com ATV Enthusiast Community

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Old 07-11-2018, 03:25 PM
Weekend Warrior
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Join Date: Jul 2018
Posts: 2
Default 2010 Yamaha Grizzly 450 wont start

I am getting spark and installed a new plug but won't start.
tried fuel in spark plug hole, catches but won't run.
any suggestions on what to try next?
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Old 07-12-2018, 02:06 AM
Extreme Pro Rider
Join Date: Oct 2013
Location: Lancaster England
Posts: 3,044

Looks like a carb clean is needed. Take the float bowl off and clean it out, remove jets and blow them and the holes they came from out with compressed air, check you can see through the jets and re-assemble. If that doesn't work do a compression test, if over 90psi it should start.
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Old 07-14-2018, 08:13 AM
Weekend Warrior
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Join Date: Jul 2018
Posts: 2
Default Thanks for your help.

I blew out the fuel lines on the carb and it started right up.

Again Thanks
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