ENGINE body accessories handlebar & grips cables & levers electrical & ignition engine fuel & intake clutch brakes drive steering & suspension bearings tires exhaust chemicals tools & shop 604 www.autodist.com | 207-942-6769 HOT CAMS DIRTBIKE CAMSHAFTS CONTINUED 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 # HONDA CONTINUED CRF 250 R 04-09 250 Stage 3 cam: Significantly more top-end power and improved over rev: Uses stock valve springs and rockers: Singlecam engine: Uses stock auto-decompression mechanism 8.61 108.50 254.00 0.130 8.13 102.75 261.50 0.280 870212 367.95 CRF 250 R 10-13 250 Builder series cam: Large increase in torque below 9500RPM: Uses stock valve springs and rockers: Single-cam engine: Uses stock decompression mechanism 0.00 0.00 0.00 0.000 0.00 0.00 0.00 0.000 870223 99.95 CRF 250 R 10-15 250 Stage 1 cam: Improved low-end and mid-range torque with slight top end loss: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Uses stock autodecompression mechanism 8.26 100.00 241.00 0.100 8.84 107.00 266.00 0.250 871642 355.95 CRF 250 R 10-15 250 Stage 2 cam: Improved mid-range and top-end power with minimal loss on low-end power: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Uses stock auto-decompression mechanism 9.14 107.00 255.00 0.100 8.84 107.00 266.00 0.250 871643 355.95 CRF 250 R 16-17 250 Stage 1 cam: Low and mid RPM torque are increased. Top horsepower slightly increased over stock: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Uses stock auto-decompression mechanism 9.27 100.00 241.61 0.120 8.84 107.00 266.26 0.280 871976 367.95 CRF 250 R 16-17 250 Stage 2 cam: Good top end cam: Designed with Improved Throttle Response (I.T.R.) technology: Uses stock valve springs: Uses stock autodecompression mechanism 9.40 106.00 254.78 0.120 9.40 104.00 264.17 0.280 871977 367.95 CRF 250 X 04-17 250 Stage 2 cam: Produces good high RPM power: Uses stock valve springs and rockers: Single-cam engine: Uses stock decompression mechanism 8.64 104.50 254.00 0.120 8.97 103.00 262.00 0.280 870219 367.95 CRF 250 X 04-09, 12-13, 15-17 250 Stage 1 cam: Excellent bottom-end and mid-range power gains: Uses stock valve springs: Single-cam engine: Uses stock auto-decompression mechanism 8.10 104.00 244.00 0.120 8.10 99.00 250.00 0.280 870211 354.95 XR 250 R 96-04 250 Stage 1 cam: Excellent midrange and top-end power increase: Uses stock valve springs and rockers: Single-cam engine: Does not utilize the stock autodecompression mechanism 9.00 236.00 0.130 8.70 236.00 0.150 870261 309.95 XR 400 R 96-04 400 Stage 1 cam: Excellent mid-range and top-end power increase: Uses stock valve springs and rockers: Single-cam engine: Does not utilize an auto-decompression mechanism: Stock starter is sufficient: Not recommended for big bore applications over 426cc 9.00 106.00 246.00 0.130 9.00 107.00 246.00 0.150 870262 288.95 XR 400 R 96-04 400 Stage 2 cam: Slight mid-range gain and excellent top-end power increase: Uses stock valve springs and rockers: Single-cam engine: Does not utilize an auto-decompression mechanism: Stock starter is sufficient 9.00 106.00 254.00 0.130 8.90 104.25 248.50 0.150 870263 315.95 XR 400 R 96-04 400 Stage 3 cam: Top-end power. Designed specifically for Hot Rods big bore stroker kit: Uses stock valve springs and rockers: Single-cam engine: Does not utilize an auto-decompression mechanism: Stock starter is sufficient 9.10 110.50 262.00 0.130 9.00 104.50 257.00 0.150 870264 315.95 CRF 450 R 2008 450 Stage 1 cam: Excellent bottom-end and mid-range increase: Improved throttle response: Uses stock valve springs and rockers: Single-cam engine: Uses stock decompression mechanism 9.60 109.00 238.00 0.150 8.80 103.25 270.00 0.280 870237 367.95 CRF 450 R 2008 450 Stage 2 cam: Good mid-range and top-end gains: Uses stock valve springs: Single-cam engine: Uses stock autodecompression mechanism 10.10 112.00 248.00 0.150 8.80 104.50 270.00 0.280 870238 367.95 CRF 450 R 2009 450 Stage 1 cam: Improved torque below 9000 RPM with improved peak horsepower: Uses stock valve springs and rockers: Single-cam engine: Uses stock decompression mechanism 9.60 109.00 238.00 0.160 8.70 104.00 248.00 0.280 870240 367.95
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