ENGINE
395
2015 OFFROAD CATALOG
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exhaust
HOT CAMS DIRT BIKE
continued
MODEL
YEAR
DESCRIPTION
CAMSHAFTS
SHIM KIT
EXHAUST
DURATION
EXHAUST
LIFT
EXHAUST
LOBE
CENTER
EXHAUST
VALVE
LASH
INTAKE
DURATION
INTAKE
LIFT
INTAKE
LOBE
CENTER
INTAKE
VALVE
LASH
YAMAHA CONTINUED
YZ 450F 10-13 THIS IS THE CAM SET THAT WILL
SUIT MOST RIDERS IN MOST RIDING
SITUATIONS. 4163-1IN and 4164-1EX when
used as a set provide increased low - mid
rpm torque up to 9000 rpm and improved
peak torque with no loss at high rpm. Throttle
response is also improved
870359 199.95
G
870967 89.95
G 0
0
0
0
250 9.4 106 0.1
TTR 125E 99-09 Stage 1: single-cam motor. Excellent midrange
and top-end power increase. Uses stock valve
springs and rockers.
870335 169.95
G
----
223
5.9
103 0.13
227 6.8 99 0.1
TTR 125L 99-09 Stage 1: single-cam motor. Excellent midrange
and top-end power increase. Uses stock valve
springs and rockers.
870335 169.95
G
----
223
5.9
103 0.13
227 6.8 99 0.1
WR 400F 98-00 Dual-cam motor: intake and exhaust cams
sold separately. Excellent midrange increase,
improved throttle response, and smooth power
delivery. Intake comes with adjustable sprocket
(factory preset at 105). Exhaust cam includes
auto-decompression mechanism.
870350 179.95
G
870967 89.95
G 0
0
0
0
260 8.8 105 0.15
WR 400F 98-00 Dual-cam motor: intake and exhaust cams
sold separately. Excellent midrange increase,
improved throttle response, and smooth power
delivery. Intake comes with adjustable sprocket
(factory preset at 105). Exhaust cam includes
auto-decompression mechanism.
870351 199.95
G
870967 89.95
G 259 8.76 105
0.2
0
0
0
0
WR 426F 01-02 Dual-cam motor: intake and exhaust cams
sold separately. Excellent midrange increase,
improved throttle response, and smooth power
delivery. Intake comes with adjustable sprocket
(factory preset at 105). Exhaust cam includes
auto-decompression mechanism.
870350 179.95
G
870967 89.95
G 0
0
0
0
260 8.8 105 0.15
WR 426F 01-02 Dual-cam motor: intake and exhaust cams
sold separately. Excellent midrange increase,
improved throttle response, and smooth power
delivery. Intake comes with adjustable sprocket
(factory preset at 105). Exhaust cam includes
auto-decompression mechanism.
870351 199.95
G
870967 89.95
G 259 8.76 105
0.2
0
0
0
0
YZ 400F 98-99 Dual-cam motor: intake and exhaust cams
sold separately. Excellent midrange increase,
improved throttle response, and smooth power
delivery. Intake comes with adjustable sprocket
(factory preset at 105). Exhaust cam includes
auto-decompression mechanism.
870350 179.95
G
870967 89.95
G 0
0
0
0
260 8.8 105 0.15
YZ 400F 98-99 Dual-cam motor: intake and exhaust cams
sold separately. Excellent midrange increase,
improved throttle response, and smooth power
delivery. Intake comes with adjustable sprocket
(factory preset at 105). Exhaust cam includes
auto-decompression mechanism.
870351 199.95
G
870967 89.95
G 259 8.76 105
0.2
0
0
0
0
YZ 426F 00-02 Dual-cam motor: intake and exhaust cams
sold separately. Excellent midrange increase,
improved throttle response, and smooth power
delivery. Intake comes with adjustable sprocket
(factory preset at 105). Exhaust cam includes
auto-decompression mechanism.
870350 179.95
G
870967 89.95
G 0
0
0
0
260 8.8 105 0.15
YZ 426F 00-02 Dual-cam motor: intake and exhaust cams
sold separately. Excellent midrange increase,
improved throttle response, and smooth power
delivery. Intake comes with adjustable sprocket
(factory preset at 105). Exhaust cam includes
auto-decompression mechanism.
870351 199.95
G
870967 89.95
G 259 8.76 105
0.2
0
0
0
0
