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2017moto_en

1038 DIRT BIKE APPLICATIONS (CONT.) Intake Intake Exhaust Exhaust Single/ Model Year lift (mm) duration (mm) lift (mm) duration (mm) dual cams # parts Yamaha (Cont.) WR 400F / Stage 1 98-00 9mm 265 x x Intake 13-9010 WR 426F 01-02 x x 9mm 265 Exhaust 13-9011 YZ 426F 00-02 YZ 400F 98-99 • Dual-cam motor • Excellent midrange and top end increase WR450F / Stage 1 03-09 x x 8.67 265 Exhaust 13-9037 • Dual-cam motor • Excellent midrange and top end power when installed at 105 degree centerline (factory preset). • Use stock valve springs. • Uses stock auto-decompression mechanism YZ 450F / Stage 1 14-15 9.73 251.8 x x Intake 13-9225 YZ 450F x x 9.14 249.4 Exhaust 13-9226 • Dual cam engine • Intake and exhaust cams sold separately • Excellent low to midrange increase • Uses stock valve springs YZ 450F / Stage 2 14-15 10.03 269.3 x x Intake 13-9227 YZ 450F x x 9.14 249.4 Exhaust 13-9228 • Dual-cam motor • Excellent midrange and top end power when installed at 105 degree centerline (factory preset). • Uses stock valve springs. • Uses stock auto-decompression mechanism YZ250FX / Stage 1 2015 Intake 13-9229 Exhaust 13-9230 • Dual-cam motor • Intake and exhaust cams sold separately • Excellent bottom-end and midrange increase • Uses stock valve springs YZ250FX / Stage 2 2015 Intake 13-9231 Exhaust 13-9232 • Dual-cam motor • Intake and exhaust cams sold separately • Excellent midrange to top end increase • Uses stock valve springs YZ450F / Stage 1 03-09 8.86 269 x x Intake 13-9027 WR450F 03-15 x x 8.67 265 Exhaust 13-9028 • Dual-cam motor • Excellent midrange and top end power when installed at 105 degree centerline (factory preset). • Use stock valve springs. • Uses stock auto-decompression mechanism YZ450F / Stage 2 03-09 8.89 260 x x Intake 13-9091 x x 8.74 253.5 Exhaust 13-9092 • Dual-cam motor • Excellent midrange and top end power when installed at 105 degree centerline (factory preset). • Uses stock valve springs. • Uses stock auto-decompression mechanism YZ 450F / Stage 1 10-13 9.4 250 x x Intake 13-9150 x x 8.64 249 Exhaust 13-9158 • This is the cam set that will suit most riders in most riding situations • When used as a set provide increased low - mid rpm torque up to 9000 rpm • Improved peak torque with no loss at high rpm • Throttle response is also improved YZ 450F / Stage 1 10-13 9.78 265 x x Intake 13-9152 x x 8.9 254 Exhaust 13-9160 • When used as a set provide increased mid-top torque and horsepower. • Produces more power than the OE cams from 6000 rpm and up with a slight loss at lower rpm • Produces more power than the stage 1 set from 8000 rpm and up. Performance


2017moto_en
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