BOLD MAGENTA part numbers are new for 2026 ENGINE PARTS-UNLIMITED.COM OFFROAD | 2026 ENGINE 1277 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FITS MODEL DESCRIPTION INTAKE LIFT INTAKE DURATION (@ 1 MM) EXHAUST LIFT EXHAUST DURATION (@ 1 MM) PART # SUZUKI (CONT) RM-Z250 07-09 (stage 2) Intake. Good mid-range and top-end power increase with improved over rev. Uses stock valve springs. Dual-cam engine. Intake and exhaust cams sold separately. 9.1 mm 245 - - 0925-1587 Exhaust. Good mid-range and top-end power increase with improved over rev. Uses stock valve springs. Dual-cam engine. Intake and exhaust cams sold separately. Uses stock auto-decompression mechanism. - - 8.4 mm 240 0925-1588 RM-Z250 10-18 (stage 1) Intake. PART #s 0925-0656 and 0925-0657 are intended to be used as a set. This set will greatly improve power below 10,000 rpm and provide increased torque peak also with only a slight loss in peak horsepower. 9.40 mm 237 - - 0925-0656 Exhaust. PART #s 0925-0656 and 0925-0657 are intended to be used as a set. This set will greatly improve power below 10,000 rpm and provide increased torque peak also with only a slight loss in peak horsepower. - - 8.38 mm 239 0925-0657 Intake. PART #s 0925-0659 and 0925-0660 (above) are designed as a set for engines with modifications and a more free-flowing exhaust system. Horsepower and torque are improved over 8,000 rpm and depending upon the engine spec. there may be little or no loss at low rpm. 9.40 mm 256 - - 0925-0659 RM-Z250 16-20 (stage 1) ITR Design dual-cam engine. Exhaust. Intake and exhaust cams sold separately. Good low-end to mid-range increase with slight top-end loss after 10,000 rpm. Uses stock valve springs and stock decompression mechanism. - - 8.38 mm 239 0925-1191 DR-Z400/SM 00-21 Intake. PART #s 0925-0693 and 0925-0694 are designed to be used as a set. These cams will provide improved full-throttle torque and horsepower at all rpm 4,000 and up. Uses stock valve springs. 9.07 mm 238.5 - - 0925-0693 Exhaust. PART #s 0925-0693 and 0925-0694 are designed to be used as a set. These cams will provide improved full-throttle torque and horsepower at all rpm 4,000 and up. Uses stock valve springs. - - 9.07 mm 238 0925-0694 Intake.This cam replaces the Hot Cams #2047-1IN. It has better low rpm torque, pulling power and throttle response. For best results it should be used with the Hot Cams #2050-1E exhaust cam. Uses stock valve springs. 9.14 mm 230 - - 0925-0695 Exhaust.This cam replaces the Hot Cams #2048-1E. It has better low rpm torque, pulling power and throttle response. For best results it should be used with Hot Cams #2049-1IN intake cam. Uses stock valve springs. - - 8.64 mm 231 0925-0696 RM-Z450 05-06 Intake. Excellent top-end power increase with no mid-range loss; good over-rev. 9.6 mm 262 - - 0925-0086 RM-Z450 08-14 Stage 1 ITR design intake cam. Dual-cam engine. Good low-end and mid-range gains. Uses stock valve springs. 9.6 mm 235.5 - - 0925-0866 Stage 1 ITR exhaust cam. Dual-cam engine. Good low-end and mid-range gains. Uses stock valve springs. Uses stock auto-decompression mechanism. - - 9.7 mm 238 0925-0867 Stage 2 ITR exhaust cam. Dual-cam engine. Great top-end gains and good over-rev. Uses stock valve springs. Uses stock auto-decompression mechanism. - - 9.7 mm 244 0925-0869 RM-Z450 15-17 (stage 1) ITR design intake cam. Dual-cam engine. Intake and exhaust cams sold separately. Good all around gains. Uses stock valve springs. 9.6 mm 235.32 - - 0925-1193 ITR design exhaust cam. Dual-cam engine. Intake and exhaust cams sold separately. Good all around gains. Uses stock valve springs. Uses stock auto-decompression mechanism. - - 9.7 mm 248.35 0925-1195 YAMAHA TT-R125 00-20 Excellent mid-range and top-end power increase; uses stock valve springs and rockers. 6.8 mm 227 5.9 mm 223 TTR125S1-A WR/YZ250F 01-13 (stage 1) Intake. Increased mid-range power for improved snap. Includes adjustable cam timing sprocket, which allows the powerband to be moved for different tracks; factory preset at 106 degrees. Use stock valve springs. 8.48 mm 249 - - YZ250S1-AI Exhaust. Increase mid-range power for improved snap. Use stock valve springs. Includes auto-decompressor. - - 8.1 mm 252 0925-0032 (stage 2) Intake. Excellent top-end power increase with no mid-range loss; good over-rev. Includes adjustable cam timing sprocket. Uses stock springs. 8.5 mm 256 - - 0925-0088 Exhaust. Excellent top-end power increase with no mid-range loss; good over-rev. Includes auto-decompressor. Uses stock springs. - - 8.52 mm 252 0925-0087 WR250F 15-17,YZ250F 14-16, YZ250FX 15-16 Stage 1 ITR exhaust: dual-cam motor. Excellent bottom-end and mid-range increase. Includes auto-decompression mechanism. Uses stock valve springs. - - 8.59 mm 246.7 0925-0879 Stage 2 ITR intake.Dual-cam motor. Excellent mid-range to top-end increase. Uses stock valve springs. 9.78 mm 264.4 - - 0925-0880 Stage 2 ITR exhaust. Dual-cam motor. Excellent mid-range to top-end increase. Includes auto-decompression mechanism. Uses stock valve springs. - - 8.76 mm 249.5 0925-0881 YZ250F 17-18 (stage 2) Intake. ITR Design dual-cam engine. Intake and exhaust cams sold separately. No bottom-end loss with good gains 9,200 rpm to redline. Uses stock valve springs. 9.91 mm 256.89 - - 0925-1199 Exhaust. ITR Design dual-cam motor. Intake and exhaust cams sold separately. No bottom-end loss with good gains 9,200 rpm to rev limiter. Includes auto-decompression mechanism. Uses stock valve springs. - - 9.02 mm 252.83 0925-1200 YZ250F 19-20 (stage 2) (stage 1 and 2) Intake. Slight loss from OEM 3,200-5,200 RPM with great gains from 5,200 to redline: Designed with Improved Throttle Response (ITR) technology: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately. 10.41 mm 257.35 - - 0925-1601 Exhaust.Works with both intake stage 1 and stage 2 intake cams. Designed with Improved Throttle Response (ITR) technology. Uses stock valve springs. Dual-cam engine. Intake and exhaust cams sold separately: Supplied with decompression mechanism. - - 9.398 mm 249.8 0925-1600 HOT CAMS continued on next page. HOT CAMS (CONT)
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