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
Yamaha Rhino 660...
YFZ450F
Improve your power with the reliablilty to get you home when you're done.
For any of our articles on how-to/installation, click here for our Rhino 660 tech pages
 
Thumper 690 Big Bore Kit Years: 2005-2008  
P/N EKRH690A  
$370
 
 
Thumper 690 Big Bore Kit with your cylinder bored Years: 2005-2008  
P/N KERH690B  
$419
 
 
Thumper 690 Big Bore Kit installed in your motor Years: 2005-2008  
P/N KERH690C  
$594
 
 
Thumper 690 Piston Kit Years: 2005-2008  
P/N 4811M102  
$170
 
 
Thumper 690 Gasket Kit required for Big Bore Kit Years: 2002-2007  
P/N W6717  
$80
 
 
Jet Kit Years: 2002-2007  
P/N CARH690  
$60
 
 
Thumper servicable oil filter Years: 2005-2008  
P/N S1  
$119
 
 
 
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lower left footer bottom mid lower right