BOLD MAGENTA part numbers are new for 2025 PISTON & PISTON KITS PARTS-UNLIMITED.COM OFFROAD | 2025 PISTON & PISTON KITS 1337 FITS MODEL PART # HONDA CR85R 03-04 0931-0412 CR85R 05-07 0931-0382 CR250R 99-00 0931-0413 CR250R 02-03 0931-0383 KAWASAKI KX80 98-00 0931-0384 KX85 01-13 0931-0415 KX85 14-21 0931-0861 KX100 14-21 0931-0862 KX250 02-03 0931-0416 KX250F 09-16 0931-0519 FITS MODEL PART # KTM 200 SX, M/XC, EXC, XC-W 03-14 0931-0520 SUZUKI RM85 02-21 0931-0417 RM125 01-03 0931-0418 YAMAHA YZ85 02-18 0931-0388 YZ125 99-00 0931-0419 YZ125 05-21 0931-0389 CYLINDER REBUILD KITS •One boxed component kit provides the foremost compatible top-end rebuild solution •The Moly2000 centrifugally spun-cast cylinder sleeved iron bore provides better ring seal for better compression, more torque and more horsepower 2-Stroke Kit 4-Stroke Kit •2-stroke kits are packaged complete with wear-resistant Moly2000 centrifugally spun-cast cylinder sleeve, matching pro-forged or pro-cast piston kit, wrist pin bearing and complete top-end gasket set • 4-stroke kits include everything in the 2-stroke kit, plus valve stem seals FITS MODEL BORE (MM) CYLINDER TYPE PART # SUZUKI RM60 03 43 AC KA-935 RM65 03-06 44.5 AC 0931-0004 RM80 91-01 47.5 CS FL-5140 RM85 02-21 48 AC 0931-0039 RM100 03 52.5 AC 0931-0062 RM125 93 54 AC FL-5181 RM125 94-96 54 AC FL-5255 RM125 97 54 AC FL-5323 RM125 98-99 54 AC FL5346 RM125 00-03 54 AC FL-5420 RM125 04-10 54 AC 0931-0040 RM/RMX250 89-90 67 AC FL-5093 RM250 91-93, RMX250 91-92 67 AC FL-5182 RM250 96 66.4 AC FL5295 RM250 98 66.4 AC FL5357 RM250 00 66.4 AC FL5419 RM250 01 66.4 AC FL5465 RM250 02 66.4 AC FL5474 RM250 03 66.4 AC 0931-0147 RM250 04-05 66.4 AC 0931-0148 RM250 06-08 66.4 AC 0931-0150 RMX250 93-98 67 AC FL5271 RM-Z250 04-18 77 AC 0931-0063 DR-Z400/S/SM 00-19 90 AC FL5430 FITS MODEL BORE (MM) CYLINDER TYPE PART # YAMAHA YZ85 02-20 (cyl. #5PA) 47.4 AC YA5476 YZ125 94-95 54 AC YA-5257 YZ125 96-98 54 AC YA-5348 YZ125 99-01 54 AC YA-5378 YZ125 02 54 AC YA5470 YZ125 03 54 AC 0931-0007 YZ125 05-21 54 AC 0931-0161 XT225 01-07 (cylinder #5RK) 70 AC 0931-0572 WR/YZ250 89 68 CS 0931-0069 WR250 94-97 68 AC YA-5258 WR/YZ250F 05-13 77 AC 0931-0265 YZ250F 14-18, WR250F/YZ250FX 15-19 (cylinder #1SM) 77 AC 0931-0859 YZ250 94-95 68 AC YA-5258 YZ250 96 68 AC YA5296 YZ250 99-21, YZ250X (2-stroke) 14-21 66.4 AC YA-5377 WR426F 01-02 95 AC 0931-0011 YZ426F 00-02 95 AC 0931-0011 WR450F 03-06 95 AC 0931-0070 YZ450F 03-05 95 AC 0931-0070 TT600 83-96 95 AC YA-814 CYLINDER SLEEVES (CONT)
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