BOLD MAGENTA part numbers are new for 2023 ENGINE PARTS-UNLIMITED.COM OFFROAD | 2023 1059 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. SEE PAGES 4-5 FOR IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. FITS MODEL TYPE HEAD DIAMETER OD X ID X HEIGHT PART # SUG. RETAIL HONDA CRF250R/X 04-17 Intake 34mm 1.339” x 1.024” x .375” 0926-1635 $8.95 CRF250R 04-09/X 04-16 Exhaust 29mm 1.142” x .827” x .375” 0926-1631 8.95 CRF250R 10-16 Exhaust 28mm 1.102” x .787” x .375” 0926-1630 8.95 CRF450R 02-08 Exhaust 35mm 1.378” x 1.024” x .434” 0926-1636 9.95 CRF450R 02-17 Intake 39mm 1.535” x 1.181” x .434” 0926-1638 9.95 CRF450R 09-12 Exhaust 34mm 1.339” x 1.024” x .375” 0926-1635 8.95 CRF450R 13-17 Exhaust 35mm 1.378” x 1.024” x .434” 0926-1636 9.95 KAWASAKI KX250F 04-16 Intake 32mm 1.260” x .945” x .374” 0926-1633 8.95 Exhaust 28mm 1.102” x .787” x .374” 0926-1630 8.95 KX450F 06-16 Intake 39mm 1.535” x 1.024” x .434” 0926-1638 9.95 Exhaust 35mm 1.378” x 1.024” x .434” 0926-1636 9.95 KLX450R 08-16 Intake 38.5mm 1.496” x 1.142” x .434” 0926-1637 9.95 Exhaust 34mm 1.339” x 1.024” x .375” 0926-1635 8.95 SUZUKI RM-Z250 04-16 Intake 32mm 1.260” x .945” x .374” 0926-1633 8.95 Exhaust 28mm 1.102” x .787” x .374” 0926-1630 8.95 DR-Z400 01-16 Intake 38mm 1.496” x 1.142” x .434” 0926-1637 9.95 Exhaust 32mm 1.260” x .945” x .374” 0926-1633 8.95 RM-Z450 05-06/08-14 Intake 38mm 1.496” x 1.142” x .434” 0926-1637 9.95 Exhaust 33mm 1.299” x .984” x .375” 0926-16344 8.95 YAMAHA WR250F 01-14/YZ250F 01-13 Intake 25mm .984”x .669”x .355” 0926-16291 7.95 Exhaust 28mm 1.102” x .787” x .374” 0926-16301 8.95 YZ450F 03-09,WR450F 03-16 Intake 29mm 1.142”x .827”x .375” 0926-16312 8.95 Exhaust 31mm 1.220”x .906”x .375” 0926-16322 8.95 YZ450F 10-13 Intake 39mm 1.535”x 1.181”x .434” 0926-16383 9.95 Exhaust 33mm 1.299”x .984”x .375” 0926-16343 8.95 1 YZ250F 01-13/WR250F 01-16 are 5-valve engines using three intake seats and two exhaust seats. 2 YZ450F 03-09 and WR450F 03-16 are 5-valve engines using three intake seats and two exhaust seats. 3 YZ450F 10-13 are 4-valve engines using two intake and two exhaust seats. 4 For RM-Z450 08-16 only. IRON ALLOY VALVE SEATS FOR STEEL VALVES • Premium valve seats for applications using steel valves • A specific combination of alloys allowed a creation of a high-density, iron-based valve seat with uniform hardness, exceptional thermal qualities and high resistance to wear and recession caused by microwelding • Only by using the latest developments in powdered metal technology were we able to blend these alloys to create a seat material with the qualities required for today’s engines FITS MODEL PART # SUG. RETAIL HONDA CRF150R 07-17 0926-0651 $15.95 CRF250R/X 04-07 0926-0652 15.95 CRF250R 08-09 0926-0653 15.95 CRF450R 02-06 0926-0654 15.95 CRF450R 07-16 0926-0652 15.95 CRF450X 05-17 0926-0654 15.95 KAWASAKI KX250F 04-16 0926-0656 15.95 KLX400/SR 03 0926-0658 15.95 KLX450R 08-09 0926-0657 15.95 KX450F 06-16 0926-0657 15.95 FITS MODEL PART # SUG. RETAIL SUZUKI RM-Z250 04-15 0926-0656 $15.95 DR-Z400/S/SM/SL 00-16 0926-0658 15.95 RM-Z450 05-06 0926-0658 15.95 RM-Z450 07-09 0926-0655 15.95 YAMAHA WR250F 01-13 0926-0660 19.95 YZ250F 02-13 0926-0660 19.95 WR450F 03-11 0926-0661 19.95 YZ450F 03-09 0926-0661 19.95 YZ450F 10-17 0926-0655 15.95 VALVE SEAL KITS • Made from premiumViton® material and offer superior oil control • Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power • Fit OE valve and valve guide dimensions for many applications • These seats have been tested on the track and street in high-rpm applications with leaded, unleaded, and oxygenated fuel, as well as methanol, ethanol, nitrous and forced induction applications • Sold each • Made in the U.S.A. NOTE: All applications listed use two intake and two exhaust seats, unless otherwise noted. NOTE: Verify size before ordering. 0926-0651 0926-0658 0926-1637
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