TIRES
WHEELS
WHEELKITS
TIREACC.
WINCH
PLOW
TOWING /FARM
UTVCAB /ACC.
WINDSHIELDS
ATVBODY
UTVBODY
STORAGE/
TRANSPORT
EXHAUST
BARS /GRIPS
LEVERS
CABLES
ATVCONTROLS
UTVCONTROLS
FUEL /AIRSYSTEMS
AIRFILTERS
OILFILTERS
LIGHTING
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHEMICALS
TOOLS
LOCKS
TRAILERS
RAMPS /STRAPS
PROMOTIONAL
REFERENCE
INDEX
786
CAMSHAFTS
##
Mudbuster cam increases acceleration and pulling power with better throttle response.
Must use 660 Raptor center intake valve springs.
‡
Must use stroker crankshaft #421-4143 and stroker piston # 175-23616A
INTAKE
EXHAUST
Application
Year
Description
Lift
Dur.
Lift
Dur.
WPS#
List
YAMAHA
(
cont
’
d
...)
350 Raptor
‘07-13 Stage 1 Excellent mid-range and top end
10mm 250 10mm 250
68-2146
199.95
Stage 2 Big bore and stroker motors
10mm 262 10mm 254
68-2147
‡
199.95
350 Warrior
‘87-04 Stage 1 Excellent mid-range and top end
10mm 250 10mm 250
68-2064
199.95
Stage 2 Big bore and stroker motors
10mm 262 10mm 254
68-2074
‡
199.95
350 Wolverine
‘95-06 Stage 1 Excellent mid-range and top end
10mm 250 10mm 250
68-2064
199.95
400 Big Bear 4x4 IRS ‘00-06 Stage 1 Excellent mid-range and top end
10mm 250 10mm 250
68-2064
199.95
YFZ450
‘04-09 Stage 1 Intake, Excellent mid-range and top end
8.9mm 269
68-2065
199.95
Stage 1 Exhaust, Excellent mid-range and top end
8.7mm 269
68-2070
199.95
Stage 3 Intake, Excellent top end increase
8.9mm 260
68-2142
199.95
Stage 3 Exhaust, Excellent top end increase
8.7mm 253.5
68-2143
199.95
YFZ450R
‘09-13 Stage 2 Intake, Used as a set Int/Exh, Excellent peak torque and
good overall power band. Stock Valve Springs, ok
8.64mm 239
68-2191
199.95
Stage 2 Exhaust, Used as a set Int/Exh, Excellent peak torque and
good overall power band. Stock Valve Springs, ok
9.14mm 107
68-2192
199.95
Stage 3 Intake, Used as a set Int/Exh, Excellent high RPM power,
Big bore and stroker motors
8.64mm 250
68-2193
199.95
Stage 3 Exhaust, Used as a set Int/Exh, Excellent high RPM power,
Big bore and stroker motors
9.65mm 106
68-2194
199.95
660 Grizzly
‘02-08 Stage 1 More bottom-end and no top-end loss
8.64mm 246 9.04mm 248
68-2145
199.95
Mudbuster Cam
9.1mm 254 9.2mm 246
68-2055
##
199.95
660 Raptor
‘01-05 Stage 1 Excellent mid-range and top end
8.5mm 254 9.4mm 246
68-2066
199.95
Stage 2 Must use 68-2068 valve spring kit
9.8mm 246 10.3mm 259
68-2067
199.95
Stage 3 Big bore and stroker motors.Must use 68-2068 valve spring
kit
10.16mm 265 10.82mm 271
68-2076
199.95
Valve spring kit for stage 2 & 3 cam
68-2068
199.95
660 Rhino
‘04-07 Stage 1 More bottom-end and no top-end loss
8.64mm 246 9.04mm 248
68-2145
199.95
Mudbuster Cam
9.1mm 254 9.2mm 246
68-2055
##
199.95
700 Grizzly
‘07-13 Stage 1 Excellent mid-range power increase
10.3mm 260 8.6mm 243
68-2148
199.95
Stage 2 Excellent mid-range and top end
10.3mm 268 8.6mm 255
68-2149
199.95
Mudbuster Cam More bottom-end and no top-end loss
9.6mm 253.5 8.6mm 243
68-2150
199.95
700 Raptor
‘06-08 Stage 1 Excellent mid-range and top end
9.6mm 253.5 8.6mm 243
68-2077
199.95
Stage 2 Excellent top end increase. Good over rev.
10.3mm 260 8.6mm 243
68-2078
199.95
Stage 3 Drastically inproves top-end. Good over rev.
10.3mm 268 8.6mm 255
68-2144
199.95
700 Raptor
‘09-14 Stage 1 Excellent mid-range and top end
9.6mm 253.5 8.6mm 243
68-2151
199.95
Stage 2 Excellent top end increase. Good over rev.
10.3mm 260 8.6mm 243
68-2152
199.95
Stage 3 Drastically inproves top-end. Good over rev.
10.3mm 268 8.6mm 255
68-2153
199.95
700 Rhino
‘08-13 Stage 2 Excellent low-end torque gains across entire rpm range
9.6mm 253.5 8.6mm 243
68-2154
199.95
Stage 3 Excellent mid-range and top end
10.3mm 268 8.6mm 255
68-2155
199.95
ENGINE