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2013 Moto En

725 Dirt Bike Applications Intake Duration Exhaust Duration Model Year Lift (mm) (mm) Lift (mm) (mm) P/N Honda (Cont.) C RF250R / Stage 2 08-09 8.64 254 8.97 262 13-9120 • Single-cam motor • Excellent top-end power with great over rev • Uses stock valve springs • Uses stock auto-decompression mechanism C RF250 / Stage 3 04-09 8.61 254 8.13 264.5 13-9097 • Single-cam motor • Uses stock auto-decompression mechanism • Uses stock valve springs C RF250 / Stage 1 10-13 8.1 244 8 251 13-9129 • Single-cam motor • Low and mid RPM torque are increased • Top horsepower slightly increased over stoc • Uses stock auto-decompression mechanism • Uses stock valve springs C RF250 / Stage 2 10-13 9.4 255 9.1 263 13-9130 • Single-cam motor • Slight loss in low RPM torqu • Midrange and top end power increase. • Uses stock valve springs and rockers. XR250R / Stage 1 96-04 9mm 236 8.7mm 236 13-9001 • Single-cam motor • Excellent midrange and top end power increase. • Use stock valve springs and rockers. XR400 / Stage 1 96-04 9 247 9 246 13-9049 • Single-cam motor • Excellent midrange and top end power increase. • Use stock valve springs and rockers. • Not recommended for Bib Bore application • Does not use stock auto-decompression mechanism XR400 / Stage 2 96-04 8.8mm 254 8.6mm 254 13-9048 • Single-cam motor • More top-end power then stage 1 with midrange gain • Uses stock valve springs and rockers. • Does not use stock auto-decompression mechanism XR400 / Stage 3 96-04 9.1 262 9 257 13-9081 • Single-cam motor • More top-end power • Designed specifically for Hot Rods big bore strocker kit • Uses stock valve springs and rockers. • Does not use stock auto-decompression mechanism C RF450R / Stage 1 02-06 C RF450X / Stage 1 05-07 9.6mm 238 8.7mm 269 13-9016 • Single-cam motor • Excellent for bottom-end and midrange increase • Improve Throttle response • Uses stock auto-decompression mechanism • Uses stock valve springs C RF450R / Stage 2 02-06 C RF450X / Stage 2 05-07 10.1mm 248 8.7mm 269 13-9022 • Single-cam motor • Excellent midrange and top end increase • Improve Throttle response • Uses stock auto-decompression mechanism • Uses stock valve springs C RF450R / Stage 3 02-06 C RF450X / Stage 3 05-07 10.4 251.5 9.05 265 13-9057 • Single-cam motor • More top-end power then Stage 2 • Will work with supermoto and big bores/strokeres • Uses stock auto-decompression mechanism • Uses stock valve springs C RF450R / Stage 1 2007 9.6 238 8.8 270 13-9082 • Single-cam motor • Excellent for bottom-end and midrange increase • Improve Throttle response • Uses stock auto-decompression mechanism • Uses stock valve springs


2013 Moto En
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