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ENGINE
509
2016 OFFROAD CATALOG
accessories
body
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& grips
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levers
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fuel &
intake
electrical
& ignition
clutch
drive
bearings
brakes
steering &
suspension
tires
tools &
shop
exhaust
HOT CAMS DIRTBIKE CAMSHAFTS
HOT CAMS DIRTBIKE CAM INSTALLATION KITS
MODEL NAME YEAR CAM SHAFT DESCRIPTION
MFG#
YAMAHA CONTINUED
YZ 450F
10-13 4165-2IN and 4166-2E when used as a set provide increased mid-top torque
and horsepower. Produces more power than the OE cams from 6000 rpm and
up with a slight loss at lower rpm. Produces more power than the stage 1 set
from 8000 rpm and up.
4165-2IN
870361 199.95 G
YZ 450F
10-13 4165-2IN and 4166-2E when used as a set provide increased mid-top torque
and horsepower. Produces more power than the OE cams from 6000 rpm and
up with a slight loss at lower rpm. Produces more power than the stage 1 set
from 8000 rpm and up.
4166-2EX
870362 199.95 G
YZ 450F
10-13 The 4167-INBLD intake cam provides the lowest RPM torque. When used
with the #4170-EXBLD, the set makes a great torque set up good for Super-
cross and other riding situations which require good throttle response and
increased partial throttle torque.
4167-INBLD
870363 295.95 G
YZ 450F
10-13 This cam provides slightly more intake flow than the Stage 2 #4165-2IN. Uses
stock valve springs.
4168-INBLD
870364 295.95 G
YZ 450F
10-13 The 4169-INBLD provides the highest RPM air flow. When used as a set with
the #4171-EXBLD exhaust cam modified engines will produce good high
RPM horsepower. Uses stock valve springs.
4169-INBLD
870365 295.95 G
YZ 450F
10-13 The 4170-EXBLD exhaust cam provides the lowest RPM torque. When used
with the #4167-INBLD, the set makes a great torque set up good for Super-
cross and other riding situations which require good throttle response and
increased partial throttle torque.
4170-EXBLD
870366 295.95 G
YZ 450F
14-15 Stage 1 ITR: Dual cam engine. Intake and exhaust cams sold separately.
Excellent low to midrange increase. Uses stock valve springs.
4278-1IN
871656 199.95 G
YZ 450F
14-15 Stage 1 ITR: Dual cam engine. Intake and exhaust cams sold separately.
Excellent low to midrange increase. Uses stock valve springs.
4279-1E
871657 199.95 G
YZ 450F
14-15 Stage 2 ITR: Dual cam engine. Intake and exhaust cams sold separately.
Excellent midrange to top end increase. Uses stock valve springs.
4280-2IN
871658 199.95 G
YZ 450F
14-15 Stage 2 ITR: Dual cam engine. Intake and exhaust cams sold separately.
Excellent midrange to top end increase. Uses stock valve springs.
4281-2E
871659 219.95 G
DESCRIPTION
MFG#
INSTALLATION KITS
Installation Kit
CIK-001
870818 199.95
G
Installation Kit
CIK-001-M
870819 199.95
G
Installation Kit
HC-PSK-001
871698
39.95
G