my exuast is glowing cherry red on my 05 brute 750 - Page 2 - Kawasaki ATV Forum
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post #11 of 13 Old 02-02-2012, 02:17 PM
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Some mis info here.

sooty black exhaust= LEAN
wet/greasy exhaust = rich

popping on decel and backfire= LEAN on MAINS (or loose exhaust)
If you see flames coming out on decel it's LEAN not rich

these things will run ok 10.0:1 a/f pig rich, they won't not run too well but you won't experience major issues. they will not run well at all LEAN.

Howabout you figure out your jetting and let us know what it is.

most likely it hasn't even been jetted at all.


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post #12 of 13 Old 03-21-2013, 07:44 PM
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Location: Texas
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hi to all the brute lovers currently having a rear header glowing red issue my self any advise deeply appreciated all mods include very simple uni filter,dynatek cdi,iridium plugs,hmf slip on,with dyno jet kit running #40 pilots 150f/155r, a/f out 2 turns ,needles set on 4 notch with 2 washers only seems to be running lean at mid and wot but even at mid just puttin around for about 15 min we are glowing red about 4-6 inchs on rear head pipe only i am only about 50 foot above sea level here just fyi if anybody out there has had similar issues with similar mods pls HELP !!! on the fix thanks again
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post #13 of 13 Old 03-22-2013, 12:53 PM
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Raise those needles.

2002 698 Prairie
VFJ 11.5:1 coated pistons
FST Stage II Cams
Fundy Performance Porting, 1mm milled off heads
Kibblewhite valves
Crossover intakes
Modded airbox
Full Muzzy
Custom machined stock weights
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Other weird stuff

2011 Stratos 186XT Bass Boat
Mercury Optimax 115hp
Minn Kota 70lb 24v trolling motor
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