BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | ATV/UTV ENGINE & COOLING ENGINE & COOLING 1132 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 PART # ARCTIC CAT DVX400 04-08 0921-0404 DVX400 04-08 (Stroker kit; +4 mm 424cc) 0921-0424 HONDA ATC250R 85-86 0921-0398 TRX250EX 01-02 0921-0496 TRX250EX 03-08 0921-0497 TRX250TE Recon 02-14/16-19 0921-0497 TRX250TM Recon 02-14/16-19 0921-0497 TRX250X 09-14/16-19 0921-0497 TRX250R 86 0921-0398 TRX250R 87-89 0921-0399 TRX350FE/TE/FM/TM Rancher 00-06 0921-0493 TRX400EX 99-04 0921-0401 TRX400EX 99-04 (Stroker kit; +4 mm 460cc, must use Vertex piston PART # 0910-2636) 0921-03851 TRX400EX 05-08 0921-0390 TRX400X 09-14 0921-0390 TRX420FE/FPE/TE Rancher 12-13 0921-0590 TRX420FM/FPM/TM Rancher 12-13 0921-0591 TRX450R/ER 04-05 0921-0405 TRX450R/ER 04-05 (Stroker kit; +3 mm 471cc) 0921-0417 TRX450R/ER 06-14 0921-0407 TRX450R/ER 06-14 (Stroker kit; +3 mm 470cc) 0921-0418 TRX500FE Foreman 05-11 0921-0494 TRX500FE Foreman 12-13,TRX500FPE Foreman 12 0921-0592 TRX500FM/TM 05-11 0921-0495 TRX500FM/FPM Foreman 12-13 0921-0593 KAWASAKI KFX400 03-06 0921-0404 KFX400 03-06 (Stroker kit; +4 mm 424cc) 0921-0424 KFX450R 08-14 0921-0411 Prairie 700 04-06/KFX700 04-09 0921-0488 Brute Force 750 05-11 0921-0489 Brute Force 750 4x4i 12-14 0921-0523 Brute Force 750 4x4i 15-20, Brute Force 750 4x4i EPS 12-20 0921-0596 Teryx 750 08-11 0921-0489 Teryx 750 12 0921-0594 POLARIS Sportsman 700 4x4 06-09 0921-0600 Sportsman 800 EFI 06-10 0921-0426 Ranger 800 4x4 08-10, Ranger 800 6x6 10 0921-0426 Ranger 800 4x4 EFI 12-14, Ranger 800 6x6 12-16 0921-0599 RZR 800 08-10 0921-0426 RZR 800 11-14 0921-0599 Scrambler 850 14-20 0921-0896 Sportsman 850 Forest 15 0921-0896 Sportsman 850 High Lifter 16-20 0921-0896 Sportsman 850 SP 15-20 0921-0896 Sportsman 850 Touring EPS 14 0921-0896 Sportsman 850 Touring SP 15-20 0921-0896 Sportsman XP 850 EPS H.O. 15 0921-0896 ACE 900 EPS 16 0921-0898 ACE 900 EPS XC 17 0921-0899 Ranger 900 4x4 Crew 14-15, Ranger XP 900 13-15 0921-0897 Ranger 900 4x4 Crew 16, Ranger XP 900 16 0921-0898 Ranger 900 4x4 Crew 17, Ranger XP 900 17 0921-0899 RZR 900 Trail (50”)/XC (55”)/ Trail S (60”) 15 0921-0897 RZR 900 Trail (50”)/XC (55”)/ Trail S (60”) 16 0921-0898 RZR 900 Trail (50”)/XC (55”)/ Trail S (60”) 17 0921-0899 General 1000 EPS 16-17, General 4 1000/MD 17 0921-0893 FITS MODEL PART # POLARIS (CONT) General 1000 EPS 18-19, General 1000 EPS Deluxe/Premium 20 0921-0890 Ranger 1000 EPS 18-19 0921-0892 Ranger 1000 EPS HD/MD 19 0921-0892 Ranger 1000 EPS Texas Edition 20 0921-0892 Ranger XP 1000 Crew/EPS 17 0921-0891 Ranger XP 1000 Crew EPS Texas Edition 20 0921-0892 RZR 1000 Trail S (60”) 16-17 0921-0893 RZR 1000 Trail S (60”) 18-20, RZR RS1 18-20, RZR S 4 1000 19 0921-0890 RZR XP/XP 4 1000 14-15 0921-0894 RZR XP/XP 4 1000 16-17 0921-0893 RZR XP 4 1000 18 0921-0892 RZR XP 1000 18-20, RZR XP 4 1000 19-20 0921-0890 SUZUKI LT250R 88-92 0921-0313 LT-Z400 03-08 0921-0404 LT-Z400 03-08 (Stroker kit; +4 mm 424cc) 0921-0424 LT-R450 06-08 0921-0408 LT-R450 06-08 (Stroker kit; +3 mm 471cc) 0921-0420 LT-V700F Twin Peaks 04-05 0921-0488 YAMAHA YFS200 Blaster 88-06 0921-0397 YFM350R Raptor 04-13 0921-0402 YFM350X Warrior 87-04 0921-0402 YFZ350X Banshee 87-06 0921-0396 YFZ350X Banshee 87-06 (Stroker kit; +4 mm/+5 mm rods, must use Vertex long rod pistons) 0921-0579 YFM450 Grizzly 07-14 0921-0522 YFM450 Kodiak 03-06 0921-0522 YFM450 Wolverine 06-10 0921-0522 YFZ450 04-05 0921-0406 YFZ450 04-09 (04-05 models will be true 450cc when installed) 0921-0350 YFZ450 04-09/12-13 (Stroker kit; 04-05 +4.4 mm 470cc, 06-08 +3 mm 471cc) 0921-0419 YFZ450R 09-13,YFZ450X 10-11 0921-0490 YXR450 Rhino 06-09 0921-0522 YFM660F Grizzly 02-08 0921-0410 YFM660F Grizzly 02-08 (Stroker kit; +4 mm 691cc) 0921-0422 YFM660R Raptor 01-05 0921-0403 YXR660 Rhino 04-07 0921-0410 YXR660 Rhino 04-07 (Stroker kit; +4 mm 691cc) 0921-0422 YFM700F Grizzly 07-13 0921-0425 YFM700F Grizzly 07-13 (Stroker kit; +5 mm 727cc) 0921-0427 YFM700R Raptor 06-14 0921-0409 YFM700R Raptor 06-14 (Stroker kit; +5 mm 727cc) 0921-0421 YXM700D Viking 14-20 0921-0425 YXM700D Viking 14-20 (Stroker kit; +5 mm, 727cc) 0921-0427 YXM700DH Viking Hunter 14-16 0921-0425 YXM700DH Viking Hunter 14-16 (Stroker kit; +5 mm, 727cc) 0921-0427 YXM700P Viking EPS 14-20 0921-0425 YXM700P Viking EPS 14-20 (Stroker kit; +5 mm, 727cc) 0921-0427 YXM700PH Viking EPS Hunter 14-20 0921-0425 YXM700PH Viking EPS Hunter 14-20 (Stroker kit; +5 mm, 727cc) 0921-0427 YXM700PR Viking EPS Ranch Edition 18-20 0921-0425 YXM700PR Viking EPS Ranch Edition 18-20 (Stroker kit; +5 mm, 727cc) 0921-0427 YXM700PS Viking EPS SE 14-17 0921-0425 YXM700PS Viking EPS SE 14-17 (Stroker kit; +5 mm, 727cc) 0921-0427 YXR700 Rhino 07-13 0921-0425 YXR700 Rhino 07-13 (Stroker kit; +5 mm 727cc) 0921-0427 1 Cylinder sleeving required. BOTTOM END KITS •Owners have the choice between Hot Rods Heavy Duty OE replacement crankshafts or Hot Rods Heavy Duty Stroker Crankshafts •Kits feature everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for complete engine rebuild • ”Stroker kits” crankshaft assemblies add to the length as listed depending on application; in some cases cylinder head must be modified (as noted) NOTE: Kits do not include mechanical water pump seal.
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