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02-07-2010, 09:09 PM
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Join Date: Nov 2007
Location: Massachusetts
Posts: 33
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starts but shuts off?
I have a 08 that's been sitting in my garage for over a year now. It will start and run fine for about 3-5 seconds and it will shut off. ( I just put fresh gas in right before I tried to start it). Any Ideas?
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kfx 450
ims pegs, nerfbars, heelguards, quadtech hood, light cover, seat cover, hipers w/ green lock rings, maxxis razr mx, PCI3, dasa pipe and, fuel airbox eliminater intake.
04 Honda Xr 250R
Fmf Q2, Pro Taper se bars, Uni air filter, Trailboerg tires.
06 Gas Gas Ec 250
Pro Taper bars, Enduro Endganering bark busters, Fmf fatty & Turbine Core 2, ims pegs.
Last edited by nmkfx; 02-07-2010 at 09:38 PM.
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02-07-2010, 09:38 PM
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Senior Member
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Join Date: Mar 2009
Posts: 1,681
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If it hasnt been moved or started in a year i would do ALL the fluids! also check your tip over sensor, cable free play on clutch and gas, i had similiar problems with my quad when my tip over sensor came loose it would start and shut off in a matter of seconds, sometimes minutes, after it shuts off does it start right up? if not when your cranking see if the FI light is blinking during crank, if so that idicates to me that your tip over sensor is loose
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08 black kfx450
-PC3
-FCI w/box
-6k hids
-Odi grips
-Thumb extender
-Pro armor front bumper
-Precision steering stabilizer
-Dasa 13inch full system with black header wrap
-Pro Armor fat pegs
-Gibson +1 steering stem powder coated red
-Powermadd hand guards
-Renthal 15t f/s
-EX quadratech X-ring chain
-Tires: Rear-Razr2 21inch Front Razr2 22 inch
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02-08-2010, 07:31 AM
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Join Date: Jan 2010
Posts: 54
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Stupid question but are you pulling the little black knob out on the side of the TB.
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02-08-2010, 09:36 AM
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Premium Member
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Join Date: Dec 2008
Posts: 1,104
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Mine was doing the same thing when the contacts in my tip-over sensor went out. Was a fuel stabilizer put in it before it was put up? If not, your injector is probably clogged. Try to throw some fuel system cleaner and octane booster in the tank as well. Make sure you're using the cold start knob as mentioned, and if it still doesn't stay running change the plug. If all this doesn't work check your TPS voltage.
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KFX: Fox Float Evol fronts and Podium rear, ATV Four-Play MGC +1/4 a-arms, Jardine RT-99, Fuel intake w/box, PCIII, Hiper Tech 3's green rings, Maxxis Razr and Razr II's, Precision Pro Stabilizer, IMS 3.7 gal tank, Black hood, ODI lock-ons, ITP Baja's, Frame subframe swingarm and hubs powdercoated flat black, Kawi Frame Skid, PRM swingarm skid, Pro Armor tether kill, KMS tip-over eliminator, Pro Armor Fat Peg nerfs, PWR Radiator, Wiseco 12.4:1, 15/38 gearing, 24 V starting, Tusk Braided Lines F/R, green Maier extensions f/r, Factory Effex 2010 Monster Energy graphics/gripper seat (+1 foam), Turner AOF Clutch lever, Powermadd HG's w/wraps, ATV Four-Play soft bars and +1 stem
99 Recon, 05 Prairie 360, 86 and 87 Honda 200sx's
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02-08-2010, 04:49 PM
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Join Date: Oct 2009
Posts: 93
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Where is the cold start button located?
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08 BLACK KFX450r
MONSTER ENERGY GRAPHICS
PRO ARMOR E-BRAKE BLOCK OFF
CV4 GREEN RADIATOR HOSES
HMF BLACK SLIP ON
PRO ARMOR NERFS,FAT PEGS,HEEL GUARDS
PRO ARMOR SKIDS
STREEMLINE STABILIZER
PCIII
FCI W/BOX
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02-08-2010, 08:52 PM
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Premium Member
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Join Date: Dec 2008
Posts: 1,104
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The cold start is the black knob on the side of the throttle body. When it's pushed in, you turn it to adjust the idle (should be @ 22 clicks). Pull it out for cold starts. It acts as a choke would on a carburated vehicle.
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KFX: Fox Float Evol fronts and Podium rear, ATV Four-Play MGC +1/4 a-arms, Jardine RT-99, Fuel intake w/box, PCIII, Hiper Tech 3's green rings, Maxxis Razr and Razr II's, Precision Pro Stabilizer, IMS 3.7 gal tank, Black hood, ODI lock-ons, ITP Baja's, Frame subframe swingarm and hubs powdercoated flat black, Kawi Frame Skid, PRM swingarm skid, Pro Armor tether kill, KMS tip-over eliminator, Pro Armor Fat Peg nerfs, PWR Radiator, Wiseco 12.4:1, 15/38 gearing, 24 V starting, Tusk Braided Lines F/R, green Maier extensions f/r, Factory Effex 2010 Monster Energy graphics/gripper seat (+1 foam), Turner AOF Clutch lever, Powermadd HG's w/wraps, ATV Four-Play soft bars and +1 stem
99 Recon, 05 Prairie 360, 86 and 87 Honda 200sx's
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02-09-2010, 10:40 AM
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Join Date: Oct 2009
Posts: 93
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Quote: Originally Posted by nkeen07
The cold start is the black knob on the side of the throttle body. When it's pushed in, you turn it to adjust the idle (should be @ 22 clicks). Pull it out for cold starts. It acts as a choke would on a carburated vehicle.
22 clicks in or out? Also where is the tip over switch located?
__________________
08 BLACK KFX450r
MONSTER ENERGY GRAPHICS
PRO ARMOR E-BRAKE BLOCK OFF
CV4 GREEN RADIATOR HOSES
HMF BLACK SLIP ON
PRO ARMOR NERFS,FAT PEGS,HEEL GUARDS
PRO ARMOR SKIDS
STREEMLINE STABILIZER
PCIII
FCI W/BOX
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02-09-2010, 11:31 AM
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Senior Member
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Join Date: Jun 2009
Location: Merced, CA
Posts: 120
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Tip over i under the hood. It's a little back box with the word "UP" or has arrows telling you which way is up. I think it is 22 click out but someone else shoud confirm this.
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08 KFX450
06 KFX400
02 KX500
99 KX540 HILLCLIMBER
?? KZ1000 HILLCLIMBER
03 XR50 i mean 110 with a 3 foot swingarm
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02-09-2010, 11:44 AM
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Senior Member
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Join Date: Mar 2009
Posts: 1,681
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with the knob pushed IN and you facing that side of the bike turn it all the way to the left, and then turn it right 22 clicks (adjusting it while the knob is pulled OUT will result in no change)
__________________
08 black kfx450
-PC3
-FCI w/box
-6k hids
-Odi grips
-Thumb extender
-Pro armor front bumper
-Precision steering stabilizer
-Dasa 13inch full system with black header wrap
-Pro Armor fat pegs
-Gibson +1 steering stem powder coated red
-Powermadd hand guards
-Renthal 15t f/s
-EX quadratech X-ring chain
-Tires: Rear-Razr2 21inch Front Razr2 22 inch
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02-09-2010, 12:04 PM
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Member
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Join Date: Oct 2009
Posts: 93
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clockwise it is!
__________________
08 BLACK KFX450r
MONSTER ENERGY GRAPHICS
PRO ARMOR E-BRAKE BLOCK OFF
CV4 GREEN RADIATOR HOSES
HMF BLACK SLIP ON
PRO ARMOR NERFS,FAT PEGS,HEEL GUARDS
PRO ARMOR SKIDS
STREEMLINE STABILIZER
PCIII
FCI W/BOX
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