2016 Offroad Catalog

ENGINE

507

2016 OFFROAD CATALOG

accessories

body

handlebar

& grips

cables &

levers

engine

fuel &

intake

electrical

& ignition

clutch

drive

bearings

brakes

steering &

suspension

tires

tools &

shop

exhaust

HOT CAMS DIRTBIKE CAMSHAFTS

MODEL NAME YEAR CAM SHAFT DESCRIPTION

MFG#

YAMAHA CONTINUED

WR 250F

01-13 Stage 2 Gold Series: Dual cam engine. Intake and exhaust cams sold

separately. Mid to top RPM application. Requires valve spring kit PART

#VSK4001IN.

4112-2INGS

870342 229.95 G

WR 250F

01-13 Stage 2 Gold Series: Dual cam engine. Intake and exhaust cams sold

separately. Mid to top RPM application. Requires valve spring kit PART

#VSK4001EX. Uses stock auto decompression mechanism.

4113-

2EXGS

870343 229.95 G

WR 250F

01-13 Builder Series: Dual cam engine. Intake and exhaust cams sold separately.

Lower lift and shorter duration for low RPM or high torque applications.

Requires valve springs kit PART #VSK4001.

4151-INBLD

870344 229.95 G

WR 250F

01-13 Builder Series: Dual cam engine. Intake and exhaust cams sold separately.

Medium lift and duration for mid RPM applications. Requires valve springs kit

PART #VSK4001.

4152-INBLD

870345 295.95 G

WR 250F

01-13 Builder Series: Dual cam engine. Intake and exhaust cams sold separately.

Medium lift and duration for mid RPM applications. Requires valve springs kit

PART #VSK4001.

4153-INBLD

870346 229.95 G

WR 250F

01-13 Builder Series: Dual cam engine. Intake and exhaust cams sold separately.

High lift and long duration for high RPM applications or oversized engines

requiring increased intake capacity. Requires valve springs kit PART

#VSK4001.

4154-INBLD

870347 229.95 G

WR 250F

01-13 Builder Series: Dual cam engine. Intake and exhaust cams sold separately.

High lift and long duration for high RPM applications or oversized engines

requiring increased exhaust capacity. Requires valve springs kit PART

#VSK4001. Uses stock auto decompres

4156-EXBLD

870349 229.95 G

WR 450F

03-15 Dual-cam motor: intake and exhaust cams sold separately. Excellent mid-

range and top-end increase. Exhaust cam includes auto-decompression

mechanism. Uses stock valve springs.

4023-1IN

870353 199.95 G

WR 450F

03-15 Dual-cam motor: intake and exhaust cams sold separately. Excellent mid-

range and top-end increase. Exhaust cam includes auto-decompression

mechanism. Uses stock valve springs.

4044-1E

870354 199.95 G

YZ 250F

01-13 Stage 1: Dual cam engine. Intake and exhaust cams sold separately.

Increases bottom and midrange power for improved snap. Uses stock valve

springs.

4012-1IN

870336 199.95 G

YZ 250F

01-13 Stage 1: Dual cam engine. Intake and exhaust cams sold separately.

Increases bottom and midrange power for improved snap. Cam includes auto-

decompressor mechanism. Uses stock valve springs.

4020-1E

870337 199.95 G

YZ 250F

01-13 Dual-cam motor: intake and exhaust cams sold separately. Excellent top-end

power increase and good over rev. Exhaust cam includes auto-decompres-

sion mechanism. Uses stock valve springs.

4054-2IN

870338 199.95 G

YZ 250F

01-13 Dual-cam motor: intake and exhaust cams sold separately. Excellent top-end

power increase and good over rev. Exhaust cam includes auto-decompres-

sion mechanism. Uses stock valve springs.

4055-2E

870339 199.95 G

YZ 250F

01-13 Stage 1 Gold Series: Dual cam engine. Intake and exhaust cams sold

separately. Low to mid RPM application. Requires valve spring kit PART

#VSK4001IN.

4110-1INGS

870340 229.95 G

YZ 250F

01-13 Stage 1 Gold Series: Dual cam engine. Intake and exhaust cams sold

separately. Low to mid RPM application. Requires valve spring kit PART

#VSK4001EX. Uses stock auto decompression mechanism.

4111-EXGS

870341 229.95 G

YZ 250F

01-13 Stage 2 Gold Series: Dual cam engine. Intake and exhaust cams sold

separately. Mid to top RPM application. Requires valve spring kit PART

#VSK4001IN.

4112-2INGS

870342 229.95 G

YZ 250F

01-13 Stage 2 Gold Series: Dual cam engine. Intake and exhaust cams sold

separately. Mid to top RPM application. Requires valve spring kit PART

#VSK4001EX. Uses stock auto decompression mechanism.

4113-EXGS

870343 229.95 G

YZ 250F

01-13 Builder Series: Dual cam engine. Intake and exhaust cams sold separately.

Lower lift and shorter duration for low RPM or high torque applications.

Requires valve springs kit PART #VSK4001.

4151-INBLD

870344 229.95 G

YZ 250F

01-13 Builder Series: Dual cam engine. Intake and exhaust cams sold separately.

Medium lift and duration for mid RPM applications. Requires valve springs kit

PART #VSK4001.

4152-INBLD

870345 295.95 G

YZ 250F

01-13 Builder Series: Dual cam engine. Intake and exhaust cams sold separately.

Medium lift and duration for mid RPM applications. Requires valve springs kit

PART #VSK4001.

4153-INBLD

870346 229.95 G

YZ 250F

01-13 Builder Series: Dual cam engine. Intake and exhaust cams sold separately.

High lift and long duration for high RPM applications or oversized engines

requiring increased intake capacity. Requires valve springs kit PART

#VSK4001.

4154-INBLD

870347 229.95 G