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Engine/EFI/Drivetrain Discuss engine, fuel injection, air intake, and drivetrain modifications here

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Old 04-30-2012, 07:04 AM   #1 (permalink)
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adjusting the fuel?

I have a 07 ltr and at the very beginning of the throttle there is like a dead spot where if you hold it there it will cut out like its running out of gas and if you are idle and hit the throttle kinda hard it'll bog down if you don't ease the throttle open..could this be because my fuel adjustment is not right? Im running stock pipe without baffle and airbox lid off if this makes any difference. The motor is stock.
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Old 04-30-2012, 08:41 AM   #2 (permalink)
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stock pipe without baffle and lid off need a crbm (cherry bomb). You are running lean right now, they are cheap and easy to get.


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2007 LT-R450 -
500cc BB kit @ 12.5:1 - CP Piston
+2 Ti Valves w/Newen Countour Valve Job
HD Springs
Williams Performance custom grind race Cams (both)
Port/Polish by Williams Performance
HMF Full Exhaust
Fuel Intake
FCR-41 Carb with Dial-A-Jat and Innovate LM-2 Tuner.


1995 RM 250
Rips like a chainsaw
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Old 04-30-2012, 09:29 AM   #3 (permalink)
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How much do the run and how hard to install?
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Old 04-30-2012, 09:54 AM   #4 (permalink)
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I think I have an extra one laying around I will sell u. When I get home ill look and let u know


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2006 White Carbon Fiber LTR450

Body & Controls
Maier white carbon fiber plastics, AC nerf bars, AC grab bar, AC front bumper, Flexx bars, ASV clutch and brake levers, American Star stainless steel braided brake lines (dual fronts), American Star Heavy Duty tie rods, ODI Rogue grips, CCP stabilizer, custom frame guards and Powermadd Star handguards

Engine & Drivetrain
Yoshimura Cherry Bomb, Yoshimura RS-5 slip on, Yoshimura choke nut, Yoshimura start button, K&N air filter no lid, Billet fuel bowl, JT 13T front sprocket, East Coast ATV 36T rear sprocket, D.I.D 520 O-ring chain, Custom sprocket guard and Suzuki Racing rotor guard

Rims & Tires
DWT Champion in a Box- Fronts 10x5" 4+1 ROK n Lok single beadlock with 21" GBC XC Masters 6 ply
Rear- 9x8" 3+5 G2 double bead lock with 20" GBC XC Masters 6 ply
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Old 04-30-2012, 11:23 AM   #5 (permalink)
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It is literally 5 minutes to install one.


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Mods:
2006 ltr 450 Yellow
FUELATV Intake
Power Commander III
Cherry Bomb
Gibson Steering Stabilizer
Pro Taper Handle Bars Contour High
Spectre Inline Fuel Filter
13/36 Sprocket
Hotcams Intake Cam
Rockstar Fuel Pump Cover
Yoshimura RS-5 Full Exhaust
Cylinder Works 474 Big Bore Kit
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Old 04-30-2012, 11:24 AM   #6 (permalink)
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How much of a power increase will it make? And will this fix my "dead spot" in the throttle
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Old 04-30-2012, 12:48 PM   #7 (permalink)
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yes it will fix it. Your running lean now because by taking off the lid your letting more air in the compustion chamber, and by removing the baffle, your removing the restriction in the exhaust. The CB fixes this by telling the fuel injector to use more gas to compensate for the added airflow.. As you mod more you will need a fuel management system that allows you to add fuel or trim fuel where you need it. Then the fun really begins


__________________
2007 LT-R450 -
500cc BB kit @ 12.5:1 - CP Piston
+2 Ti Valves w/Newen Countour Valve Job
HD Springs
Williams Performance custom grind race Cams (both)
Port/Polish by Williams Performance
HMF Full Exhaust
Fuel Intake
FCR-41 Carb with Dial-A-Jat and Innovate LM-2 Tuner.


1995 RM 250
Rips like a chainsaw
.


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Old 05-01-2012, 03:57 AM   #8 (permalink)
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I couldn't find the other cherry bomb, sorry


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2006 White Carbon Fiber LTR450

Body & Controls
Maier white carbon fiber plastics, AC nerf bars, AC grab bar, AC front bumper, Flexx bars, ASV clutch and brake levers, American Star stainless steel braided brake lines (dual fronts), American Star Heavy Duty tie rods, ODI Rogue grips, CCP stabilizer, custom frame guards and Powermadd Star handguards

Engine & Drivetrain
Yoshimura Cherry Bomb, Yoshimura RS-5 slip on, Yoshimura choke nut, Yoshimura start button, K&N air filter no lid, Billet fuel bowl, JT 13T front sprocket, East Coast ATV 36T rear sprocket, D.I.D 520 O-ring chain, Custom sprocket guard and Suzuki Racing rotor guard

Rims & Tires
DWT Champion in a Box- Fronts 10x5" 4+1 ROK n Lok single beadlock with 21" GBC XC Masters 6 ply
Rear- 9x8" 3+5 G2 double bead lock with 20" GBC XC Masters 6 ply
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Old 05-01-2012, 07:20 AM   #9 (permalink)
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I found one online for 35 how much of a power increase will it have? And another question...I check my oil before I start it everyday. If I ride it everyday the oil is always full. If I don't ride it for a few days it shows low. It doesn't leak oil anywhere and it doesn't smoke and the antifreeze is bright green. I park in my shed which is on a hill. Could the oil be going back into the motor if it sits there a few days? Cause if I add to it and ride for a few minutes then check it its too full.
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Old 05-01-2012, 08:31 AM   #10 (permalink)
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I wouldn't worry about power increase at the moment. Worry about getting the cherry bomb so the quad will run better. The more u ride the quad like it is, u risk doing some damage. The new EFI bikes r pretty similar to carbs in upgrading. When u mess with engine performance u HAVE to mess with the air/fuel mixture. Carb u rejet. EFI u add a computer of some sorts.


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2006 White Carbon Fiber LTR450

Body & Controls
Maier white carbon fiber plastics, AC nerf bars, AC grab bar, AC front bumper, Flexx bars, ASV clutch and brake levers, American Star stainless steel braided brake lines (dual fronts), American Star Heavy Duty tie rods, ODI Rogue grips, CCP stabilizer, custom frame guards and Powermadd Star handguards

Engine & Drivetrain
Yoshimura Cherry Bomb, Yoshimura RS-5 slip on, Yoshimura choke nut, Yoshimura start button, K&N air filter no lid, Billet fuel bowl, JT 13T front sprocket, East Coast ATV 36T rear sprocket, D.I.D 520 O-ring chain, Custom sprocket guard and Suzuki Racing rotor guard

Rims & Tires
DWT Champion in a Box- Fronts 10x5" 4+1 ROK n Lok single beadlock with 21" GBC XC Masters 6 ply
Rear- 9x8" 3+5 G2 double bead lock with 20" GBC XC Masters 6 ply
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