Offroad 2020

ENGINE accessories body handlebar & grips cables & levers engine fuel & intake electrical & ignition clutch drive bearings brakes steering & suspension tires exhaust chemicals tools & shop 477 2020 OFFROAD CATALOG MODEL YEARS DESCRIPTION Intake Lift IntakeLobe Center Intake Duration IntakeValve Lash Exhaust Lift Exhaust LobeCenter Exhaust Duration Exhaust ValveLash PART # YAMAHA CONTINUED YZ 250 F 01-13 Camshaft Exhaust Stage 1 exhaust cam: Increases bottom-end and mid-range power: Improved throttle response:Uses stock valve springs:Dual cam engine: Intake and exhaust cams sold separately: Includes auto-decompression mechanism ----- ----- ----- ----- 8.1 104 252 0.2 870337 201.95 YZ 250 F 01-13 Camshaft Intake Stage 2 intake cam:Excellent top-end power increase and improved over rev:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 8.5 111.5 256 0.15 ----- ----- ----- ----- 870338 201.95 YZ 250 F 01-13 Camshaft Intake Stage 1 intake cam: Increases bottom-end and mid-range power: Improved throttle response:Uses stock valve springs:Dual cam engine: Intake and exhaust cams sold separately 8.48 106 249 0.15 ----- ----- ----- ----- 870336 201.95 YZ 250 F 14-16 Camshaft Exhaust Stage 1 exhaust cam:Excellent bottom-end and midrange increase: Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism ----- ----- ----- ----- 8.59 103.44 246.7 0.22 871653 201.95 YZ 250 F 14-16 Camshaft Exhaust Stage 2 exhaust cam:Excellent midrange to top end increase:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately:Sup- plied with decompression mechanism ----- ----- ----- ----- 8.76 103 249.5 0.22 871655 201.95 YZ 250 F 14-16 Camshaft Intake Stage 1 intake cam:Excellent bottom-end and midrange increase:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 9.58 105.5 252.4 0.16 ----- ----- ----- ----- 871652 201.95 YZ 250 F 14-16 Camshaft Intake Stage 2 intake cam:Excellent midrange to top end increase:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 9.78 111 264.4 0.16 ----- ----- ----- ----- 871654 201.95 YZ 250 F 17-18 Camshaft Exhaust Stage 1 exhaust cam:Good bottom-end and mid-range power increase up to 10,800 RPM with slight top end loss:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately:Supplied with decompression mechanism ----- ----- ----- ----- 8.59 104.23 245.59 0.2 871998 201.95 YZ 250 F 17-18 Camshaft Exhaust Stage 2 exhaust cam:Good gains 9,200 RPM to rev limiter with no bottom- end loss:Designed with ImprovedThrottle Response (I.T.R.) technology: Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately:Supplied with decompression mechanism ----- ----- ----- ----- 9.02 104.24 252.83 0.2 872000 201.95 YZ 250 F 17-18 Camshaft Intake Stage 1 intake cam:Good bottom-end and mid-range power increase up to 10,800 RPM with slight top end loss:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 9.47 106.5 248.44 0.15 ----- ----- ----- ----- 871997 201.95 YZ 250 F 17-18 Camshaft Intake Stage 2 intake cam:Good gains 9,200 RPM to rev limiter with no bottom- end loss:Designed with ImprovedThrottle Response (I.T.R.) technology: Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 9.91 111.9 256.89 0.15 ----- ----- ----- ----- 871999 201.95 YZ 250 FX 15-16 Camshaft Exhaust Stage 1 exhaust cam:Excellent bottom-end and mid-range power increase: Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism ----- ----- ----- ----- 8.59 103.44 246.7 0.225 871669 151.45 YZ 250 FX 15-16 Camshaft Exhaust Stage 2 exhaust cam:Excellent mid-range and top-end power increase: Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately: Includes auto-decompression mechanism ----- ----- ----- ----- 8.76 103 249.5 0.225 871671 151.45 YZ 250 FX 15-16 Camshaft Intake Stage 1 intake cam:Excellent bottom-end and midrange increase:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 9.58 105.5 252.4 0.16 ----- ----- ----- ----- 871652 201.95 YZ 250 FX 15-16 Camshaft Intake Stage 2 intake cam:Excellent midrange to top end increase:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 9.78 111 264.4 0.16 871654 201.95 WR 400 F 98-00 Camshaft Exhaust Stage 1 exhaust cam:Excellent mid-range increase, improved throttle response, and smoother power delivery compared to OEM:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately: Includes auto-decompression mechanism ----- ----- ----- ----- 8.76 105 259 0.2 870351 201.95 WR 400 F 98-00 Camshaft Intake Stage 1 intake cam:Excellent mid-range increase, improved throttle response, and smoother power delivery than OEM.Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 8.8 105 260 0.15 ----- ----- ----- ----- 870350 181.75 YZ 400 F 98-99 Camshaft Exhaust Stage 1 exhaust cam:Excellent mid-range increase, improved throttle response, and smoother power delivery compared to OEM:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately: Includes auto-decompression mechanism ----- ----- ----- ----- 8.76 105 259 0.2 870351 201.95 YZ 400 F 98-99 Camshaft Intake Stage 1 intake cam:Excellent mid-range increase, improved throttle response, and smoother power delivery than OEM.Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 8.8 105 260 0.15 ----- ----- ----- ----- 870350 181.75 WR 426 F 01-02 Camshaft Exhaust Stage 1 exhaust cam:Excellent mid-range increase, improved throttle response, and smoother power delivery compared to OEM:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately: Includes auto-decompression mechanism ----- ----- ----- ----- 8.76 105 259 0.2 870351 201.95 WR 426 F 01-02 Camshaft Intake Stage 1 intake cam:Excellent mid-range increase, improved throttle response, and smoother power delivery than OEM.Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 8.8 105 260 0.15 ----- ----- ----- ----- 870350 181.75 HOT CAMS DIRTBIKE CAMSHAFTS CONTINUED