ENGINE body accessories handlebar & grips cables & levers electrical & ignition engine fuel & intake clutch brakes drive steering & suspension bearings tires exhaust chemicals tools & shop 620 www.autodist.com | 207-942-6769 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 400 F 98-99 400 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 8.76 105.00 259.00 0.200 870351 262.95 YZ 400 F 98-99 400 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 8.80 105.00 260.00 0.150 870350 240.95 WR 426 F 01-02 426 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 8.76 105.00 259.00 0.200 870351 262.95 WR 426 F 01-02 426 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 8.80 105.00 260.00 0.150 870350 240.95 YZ 426 F 00-02 426 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 8.76 105.00 259.00 0.200 870351 262.95 YZ 426 F 00-02 426 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 8.80 105.00 260.00 0.150 870350 240.95 WR 450 F 03-15 450 Stage 2 exhaust cam: Excellent top-end power increase with some bottom end loss: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Includes auto-decompression mechanism 8.67 103.00 265.00 0.200 870354 275.95 WR 450 F 03-15 450 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 WR 450 F 16-18 450 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 9.58 101.58 205.20 0.185 833921 254.95 WR 450 F 16-18 450 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 WR 450 F 16-18 450 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 833923 260.95 WR 450 F 16-18 450 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 YZ 450 F 03-09 450 Stage 2 exhaust cam: Excellent top-end increase with no bottom end loss: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism 8.69 97.25 254.00 0.200 870358 275.95 YZ 450 F 03-09 450 Stage 2 exhaust cam: Excellent top-end power increase with some bottom end loss: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Exhaust cam includes autodecompression mechanism 8.67 103.00 265.00 0.200 870356 275.95 HOT CAMS DIRTBIKE CAMSHAFTS CONTINUED
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