ENGINE accessories body handlebar & grips cables & levers engine fuel & intake electrical & ignition clutch drive bearings brakes steering & suspension tires exhaust chemicals tools & shop OFFROAD CATALOG 621 FAST SAME DAY SHIPPING MODEL YEAR CC DESCRIPTION INTAKE LIFT INTAKE LOBE CENTER INTAKE DURATION INTAKE VALVE LASH EXHAUST LIFT EXHAUST LOBE CENTER EXHAUST DURATION EXHAUST VALVE LASH PART # YAMAHA CONTINUED YZ 450 F 03-09 450 Stage 2 intake cam: Excellent top-end increase with no bottom end loss: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 8.89 108.00 260.00 0.150 870357 275.95 YZ 450 F 03-09 450 Stage 2 intake cam: Excellent top-end power increase with some bottom end loss: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 8.86 110.00 269.00 0.150 870353 263.95 YZ 450 F 10-13 450 Stage 1 exhaust cam: Increased power up to 9000 RPM and no loss on the top-end: Improved throttle response: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism 8.64 101.50 249.00 0.225 870360 263.95 YZ 450 F 10-13 450 Stage 1 intake cam: Increased power up to 9000 RPM with no loss on the topend: Improved throttle response: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 9.40 106.00 250.00 0.100 870359 263.95 YZ 450 F 10-13 450 Stage 2 exhaust cam: Improved power from 6000 RPM to rev limiter with a slight loss at lower RPM: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism 8.89 102.00 254.00 0.225 870362 263.95 YZ 450 F 10-13 450 Stage 2 intake cam: Improved power from 6000 RPM to rev limiter with a slight loss at lower RPM: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 9.78 104.50 265.00 0.100 870361 263.95 YZ 450 F 14-15 450 Stage 1 exhaust cam: Excellent low to mid-range increase: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism 9.14 101.70 249.40 0.220 871657 131.95 YZ 450 F 14-15 450 Stage 1 intake cam: Excellent low to mid-range increase: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 9.73 104.00 251.80 0.160 871656 263.95 YZ 450 F 14-15 450 Stage 2 exhaust cam: Excellent midrange to top end increase: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism 9.14 101.70 249.40 0.220 871659 286.95 YZ 450 F 14-15 450 Stage 2 intake cam: Excellent midrange to top end increase: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 10.03 114.00 269.30 0.160 871658 263.95 YZ 450 F 16-17 450 Stage 1 exhaust cam: Good low to mid range gains up to 9200 RPM with minor loss to redline: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism 9.58 101.58 250.20 0.185 833925 254.95 YZ 450 F 16-17 450 Stage 2 exhaust cam: Slight bottom end gain to 4800 RPM and good gains from 6500 RPM to redline: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism 10.16 106.45 260.39 0.185 833926 254.95 YZ 450 F 16-19 450 Stage 1 intake cam: Good low to mid range gains up to 9200 RPM with minor loss to redline: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 10.41 99.17 248.39 0.135 833920 254.95 YZ 450 F 16-19 450 Stage 2 intake cam: Slight bottom end gain to 4800 RPM and good gains from 6500 RPM to redline: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 10.80 106.48 262.55 0.135 833922 260.95 HOT CAMS DIRTBIKE CAMSHAFTS CONTINUED
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