BOLD MAGENTA part numbers are new for 2025 PISTON & PISTON KITS PARTS-UNLIMITED.COM ATV/UTV | 2025 PISTON & PISTON KITS 1099 FITS MODEL PART # HONDA TRX350TM/ES 00-09 0931-0356 TRX400FW 4x4 95-04 0931-0357 TRX400EX/X 99-14 0931-0358 FITS MODEL PART # HONDA (CONT) TRX450S/ES 98-04 0931-0359 POLARIS 300L Xplorer 94-99 0931-0363 FITS MODEL PART # YAMAHA YFM350 87-15 0931-0366 CYLINDER REBUILD KITS •The foremost compatible top-end rebuild kit all in one box • Features a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and more horsepower •2-stroke kit comes 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 kit comes with everything in the 2-stroke kit plus valve stem seals 4-Stroke Kit 2-Stroke Kit FITS MODEL BORE (MM) TYPE PART # ARCTIC CAT 400 2x4/4x4 02-17 82 CS 0931-0140 DVX 400 04-08 90 AC FL5430 500 98-09 87.5 AC FL-5370 700 EFI 4x4 06-21 102 AC 0931-0149 HONDA ATC250R 85-86 66 CI H-845 TRX250R 86 66 CI H-845 TRX250R 87-89 66 CI H5032 TRX300, FW 88-00 74 RS H-5062 TRX300EX 03-09 74 RS H-5062 TRX350TM/ES Rancher 00-09 78.5 RS H-5443 TRX400EX, X 4-valve 99-14 85 RS H-5293 TRX400EX 99-14 88 CC 0931-00541 TRX400 Rancher AT 04-08 85 RS 0931-0371 TRX400FW 95-04 86 RS H-5286 TRX450R 06-14 96 AC 0931-0155 TRX450S/ES 98-04 90 RS H-5365 TRX500FE/FM Foreman FourTrax 4x4 05-11 92 RS 0931-0711 TRX680 FourTrax Rincon 06-21 102 CI 0931-0642 Pioneer 700 16-21 102 CI 0931-0642 KAWASAKI KLF220 Bayou 88-02 67 RS KA-5063 KFX400 03-06 90 AC FL5430 KVF750 Brute Force 4x4i 05-21 85 AC 0931-0159 KRT/KRF750 Teryx 08-13 85 AC 0931-0159 CYLINDER SLEEVES •Quality replacement cylinder sleeves give old cylinders new life CYLINDER TYPE COLUMN EXPLANATIONS • AC – Original cylinder bore is alloy-chrome plated, nikasil, or electrofused; cylinder must be bored to accept new sleeve •CS – Original barrel has a cast-in iron liner in the cylinder; liner must be bored out completely (do not try to push out the cast-in liner) •RS – Original barrel has a replacement sleeve •CC– Original barrel is cast iron; cylinder must be bored to accept new sleeve •CI – Original barrel has a cast-in iron liner in the cylinder; liner must be bored out completely (do not try to push out the cast-in liner) CYLINDER SLEEVES continued on next page. YA-5035 FL5430 0931-0140 1 88 mm big bore sleeve.
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