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Air screw adjustment

This is a discussion on Air screw adjustment within the Yamaha YFM350 Raptor/Warrior ('87-Present) forums, part of the Performance /Technical category; Hi everyone. I have 98 warrior that has a screwed up air screw. Does anybody know the stock adjustment, bc when you are really moving ...


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Old 10-15-2007, 05:10 PM   #1
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Default Air screw adjustment

Hi everyone. I have 98 warrior that has a screwed up air screw. Does anybody know the stock adjustment, bc when you are really moving in 6th gear, it cuts out and almost skips. it also has an aftermarket pipe (glasspack), will that affect the air screw or the fuel screw?
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Old 10-15-2007, 05:36 PM   #2
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that will effect the fuel screw adjustment from 0-1/4 throttle. I would try around 2 1/2 turns out.
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1998 Warrior. JE 366cc, Mega .450", HD TI valve springs, DR P&P head, DR flywheel, KW SS Oversized valves, TM36-68 Carb, Dyna DFS7P, HD Barnett clutch springs, Earl's custom oil cooler/big bear setup. AC Bumpers, Holeshot's with .190 rims.
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Old 10-20-2007, 11:10 AM   #3
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thanks, i will try it out. yours must move wicked! i wish i had the dough to do that to mine, but being 15 i would probably hurt myself!
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Old 10-21-2007, 09:00 PM   #4
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It's a little faster but it's all relitive.
Wait tell you try a 450 or 700r.. now thats awesome power.
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1998 Warrior. JE 366cc, Mega .450", HD TI valve springs, DR P&P head, DR flywheel, KW SS Oversized valves, TM36-68 Carb, Dyna DFS7P, HD Barnett clutch springs, Earl's custom oil cooler/big bear setup. AC Bumpers, Holeshot's with .190 rims.
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Old 10-22-2007, 03:36 PM   #5
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ive ridden my buddys 660 raptor, and thats about enough power for me. but i would still like to ride one of those
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