XR650RBob
XR650L
XR600R
XR400R
XR250R
XR200R
XR100/CRF100
CRF150R
CRF230
CRF250R/X
CRF450R/X
XR/CRF 50
TRX250EX
TRX250 Recon
TRX300EX
TRX450R
TRX400EX
TRX400/450 Foreman
TRX500 Foreman
TRX300 4X4
TRX680
DR250
DR350
DR 350S
DRZ250
DRZ400
DRZ400S
RMZ 250
LTZ400
KLX250
KLX300
KXF250
KLX400
KFX400
MOJAVE 250
BAJOU 220
YZF/WR 400
YZF/WR 426
YZF/WR 450
YZF/WR 250
TTR 250
YFZ 450F
GRIZZLY 660
RHINO 660
250EXC/SX
400/450 EXC/MXC/SX
525/520 EXC/MXC/SX
250XCF
525XC
Polaris Predator
Polaris 500
Honda XR400R...
XR400R
A lighter version of the XR650R, still very powerful offroad. We can help you make yours scream, yet maintain reliability.
For any of our articles on how-to/installation, click here for our XR400R tech pages
 
Complete Parts Kit XR440 11:1 Years: 96-04  
P/N KEXR11  
$385
 
 
Thumper Racing 440 Big Bore Kit installed in your cylinder. Years: 1996-2004  
P/N KEXR11A  
$535
 
 
Thumper Racing 440 Big Bore Kit installed in your motor. Years: 1996-2004  
P/N KEXR11B  
$710
 
 
Thumper Racing 440 Big Bore Kit with a new cylinder Years: 1996-2004  
P/N KEXR440NC  
$840
 
 
Thumper Racing 440 Piston Kit 11:1 Years: 1996-2004  
P/N PKXR5  
$185
 
 
12.5:1 Piston Kit XR440 Race Motor Years: 96-04  
P/N 4794m089  
$155
 
 
Thumper Racing 440 Top End Gasket Kit Years: 1996-2004  
P/N GAXRS5  
$50
 
 
Big Bore Sleeve XR440 Years: 96-04  
P/N PKXR5C  
$89
 
 
Heavy Duty Clutch Spring Set XR440 Years: 1996-2004  
P/N CLXR7A  
$20
 
 
Thumper Racing 440 Jet Kit Years: 96-97  
P/N caxr10  
$14
 
 
Thumper Racing 440 Jet Kit Years: 98-04  
P/N caxr10  
$14
 
 
Air Filter Years: 96-04  
P/N FIHA1312  
$55
 
 
Thumper Racing 416 11:1 Big Bore Kit Years: 1996-2004  
P/N XR416C  
$272
 
 
Thumper Racing 416 11:1 Big Bore Kit With Cylinder Bored Years: 1996-2004  
P/N XR416E  
$321
 
 
Thumper Racing 416 11:1 Big Bore Kit Installed in Your Motor Years: 1996-2004  
P/N XR416K  
$496
 
 
416 Big Bore Piston 11:1 Years: 00-04  
P/N 4628M87  
$140
 
 
Thumper Racing 416/426 Top End Gasket Kit Years: 1996-2004  
P/N W5942  
$50
 
 
Thumper Racing 426 11:1 Big Bore Kit Years: 1996-2004  
P/N XR426D  
$272
 
 
Thumper Racing 426 11:1 Big Bore Kit With Cylinder Bored Years: 1996-2004  
P/N XR426D  
$321
 
 
Thumper Racing 426 11:1 Big Bore Kit Installed in your Motor Years: 1996-2004  
P/N XR426D  
$496
 
 
TRX 400EX Stage 1: single-cam motor. Excellent midrange and top-end power increase. Not recommended for big bore applications over 426cc. Years: 96-04  
P/N 10071  
$170
 
 
426 Big Bore Piston 11:1 Years: 00-04  
P/N 4628M88  
$180
 
 
XR 400 Stage 2: single-cam motor. More top-end power than Stage 1 with midrange gain. Years: 96-04  
P/N 10432  
$170
 
 
XR 400 Stage 3: single-cam motor. More top-end power. Designed specifically for Thumper Racings big bore kit. Years: 96-04  
P/N 10513  
$170
 
 
PowerCore4 to increase the horsepower and torque throughout the entire power curve. Years: 96-00  
P/N 41021  
$270
 
 
The redesigned PowerBomb is a four-stroke header that incorporates FMF's patented PowerBomb module at a precise location in the initial stage of the header. Years: 96-00  
P/N 40018  
$255
 
 
Rear Rotor Years:  
P/N DP20-PU-DP-1110R  
$94.95
 
 
Front Rotor Years:  
P/N DP20-PU-DP-1110R  
$94.95
 
 
Years:  
P/N BRAKING-BKWAVEH  
$116.95
 
 
Years:  
P/N DEV02-PU0506-0043  
$79.95
 
 
5.8 Gal White Years: 96-04  
P/N ACERBIS-FUEL-TANK-P0  
$219.95
 
 
Years:  
P/N WHITEBROTHER-FRONT-S  
$19.95
 
 
Years:  
P/N DP20-PU-DP-1110R  
$94.95
 
 
Years:  
P/N DP20-PU-DP-1110R  
$94.95
 
 
Years:  
P/N HOTCAMS-PU0925-0029  
$159.95
 
 
Years:  
P/N AIRCELL-FORK-CONTROL-SYSTEM  
$264.95
 
 
Years:  
P/N HINSON-PU-H189  
$229.95
 
 
Head Porting allows better flow giving you better throttle responce and more Top End Years: 96-04  
P/N LACHP4V  
$350
 
 
 
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