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Blowin Smoke

This is a discussion on Blowin Smoke within the Yamaha YFM350 Raptor/Warrior ('87-Present) forums, part of the Performance /Technical category; So I had to rip my head and jug off the warrior the other day to replace the base gasket since it was leaking pretty ...


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Old 06-24-2011, 01:14 PM   #1
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Default Blowin Smoke

So I had to rip my head and jug off the warrior the other day to replace the base gasket since it was leaking pretty badly. I tore it all apart and put it all back together...


now the quad starts fine and runs awesome good power.



BUT now it smokes intermittently... sometimes it smokes a good amount and then it doesnt smoke at all??


i am certain that when i reinstalled the piston i had the rings end gap at a Y so no holes lined up... do i have to rebuild it now?
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Old 06-24-2011, 01:50 PM   #2
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after like 5 min of riding it stops?
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Old 06-25-2011, 01:42 AM   #3
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Try running it for 10 minutes straight and see how it behaves
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Old 06-25-2011, 08:48 AM   #4
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grin blowin smoke

first off i want to say hi because im new to this site because my other forum site no longer exist.so i would like to be of assistance on this site. thanks.
now for your ? what color smoke do u have? is it real thick white smoke? or is it black smoke or blue smoke?
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Old 06-25-2011, 11:35 AM   #5
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think white just for about 5 min on a cold start i think its the valve seals.
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Old 06-25-2011, 11:35 AM   #6
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also it smokes a little when i rev it up very high and when i let off little puffs come out
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Old 06-25-2011, 04:05 PM   #7
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White to blueish color is usually burning oil caused by either valve seals or rings. Black smoke tends to mean your running rich.
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