ENGINE 281 1ST 1ST 2ND 2ND 3RD 3RD BORE RING RING 1ST RING RING RING 2ND RING RING RING 3RD RING MFG # DIA. WIDTH RADIAL GEOMETRY WIDTH RADIAL GEOMETRY WIDTH RADIAL GEOMETRY PART # 900XSY-3 90mm 1mm 3.3mm Nitride/ positive twist/ barrel face 1.2mm 3.8mm Cast iron/ taper face 2.5mm 2.9mm 3-pc. Nifflex 0912-0683 FOUR-STROKE PISTON RING SETS •High-quality performance piston rings •Manufactured from premium materials SUG. RETAIL ..........................$38.95 SALE PRICE DLR. COST.............................$26.06 $21.20 PISTON REPLACEMENT BORE PISTON KIT RING SET FITS MODEL SIZE (MM) SIZE (MM) OVERSIZE PART # PART # HONDA CR125R 87 54 53.94 STD 0910-4839 - CRM125 91-03 54.5 54.44 0.5 0910-47162 - 54.01 53.95 0.01 0910-47182 - CR250R 02-04 66.42 66.36 0.02 0910-55012 - KAWASAKI KX125 90 56 55.94 STD 0910-5531 - KX125 01-02 54.02 53.97 0.02 0910-5500 - KX125 03 54.02 53.96 0.02 0910-550511 - KX250 02-04 66.41 66.35 0.01 0910-48102, 11 - KTM 125 SX 01-06 54.01 53.96 0.01 0910-4767 - YAMAHA YZ125 22-24 54 53.95 STD 0910-6837 - 2 Dual ring. 11 Intake window. PISTON KITS •IForged from aerospace-grade aluminum alloys and heat-treated for strength and durability using Wossner’s state-of-the-art heat treatment process •CNC machined using MAZAK® advanced technology maintaining high precision and accuracy through every machining step •Reduced product distortion and variability •Enhanced piston pin oiling slots, radial boss machining and annular grooves for improved wrist pin lubrication •Piston skirt profile and camming are specifically tailored to each application for reduced friction, smooth operation and reduced noise from rockover •Piston skirts are coated for reduced friction and improved break in performance •Select applications have coating treatments to protect from harsh tuning environments •Piston rings are made from premium alloy steel and feature treatments to improve ring seal and extend wear life •Kits include piston, piston rings, piston pin and retaining clips 4-STROKE KITS •Crown options available for stock and altered compression ratios •Ring land treatments for improved ring seal and oil control, as well as gas porting on featured applications for the strongest compression ring seal 2-STROKE KITS •Offered in standard graded sizes as well as oversizes for select applications •Optimized machining for lightness, as well as maintaining strength in key areas such as crown and skirt wall cross sections •External machining optimized to prevent port venting for extreme applications with race porting PISTON KIT PRICELIST SUG. DLR. SALE PART # RETAIL COST PRICE 0910-4716 $144.95 $94.20 $80.10 0910-4718 144.95 94.20 80.10 0910-4767 117.95 76.25 64.80 0910-4810 150.95 98.12 83.40 SUG. DLR. SALE PART # RETAIL COST PRICE 0910-4839 $122.95 $79.60 $67.70 0910-5500 117.95 76.25 64.80 0910-5501 150.95 98.12 83.40 SUG. DLR. SALE PART # RETAIL COST PRICE 0910-5505 $117.95 $76.25 $64.80 0910-5531 117.95 76.25 64.80 0910-6837 142.00 92.30 78.50
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