x X X X X 835 AUDIO / VIDEO / NAVIGATION EXHAUST BODY / FRAME GRAPHICS / SEATS OFFROAD LUGGAGE SNOW BIKE SECURITY HANDLEBARS / CONTROLS LEVERS CABLES FOOTPEGS / FOOT CONTROLS INTAKE / FUEL SYSTEMS AIR FILTERS OIL FILTERS LIGHTING / GAUGES BATTERIES / CHARGERS ELECTRICAL SPARK PLUGS ENGINE PISTONS CLUTCH / DRIVE SUSPENSION / BEARINGS CHAIN SPROCKETS BRAKES PIT BIKE CHINESE VEHICLE PARTS INDEX Application Bore x Stroke mm Disp. (cc) Bore Size mm STD, O/S Size In. WPS# List Repl. Ring Set Repl. Circlips Wrist Pin Top End Bearing YAMAHA 4 CYCLE TT-R90, E, `03-07 47 x 51.8 90 47 STD 4840PS $155.93 1850XE Circlips CW-13 11:1 High Compression 92 47.5 0.020 4840P2 $155.93 TT-R125, L, `00-22 54 x 54 124 54 STD 4752PS $155.93 2126XE Circlips CW-15 11.2:1 Compression 54.5 0.020 4752P2 $155.93 55 0.040 4752P4 $155.93 XT250, `13-22 74 x 58 74 STD 4951PS $225.06 2913XA Circlips CW-17 10.5:1 Compression, ArmorGlide skirt coated WR250F, `01-04; YZ250F, `01-04 77 x 53.6 249 77 STD 4872PS $173.92 7700XU Circlips CW-16 77mm = 12.7:1 Compression YZ250F, `01-04 77 x 53.6 249 77 STD 4858PS $266.27 7700YC Circlips CW-16 13.5:1 Compression, ArmorGlide skirt coated, Gas Porting WR250F, `05-13; YZ250F, `05-07 77 x 53.6 249 77 STD 4882PS $176.47 7700XU Circlips CW-16 12.5:1 Compression YZ250F, `08-11 77 x 53.6 249 77 STD 4952PS $194.72 7700XU Circlips CW-16 13.5:1 Compression YZ250F, `12-13 77 x 53.6 250 77 STD 40072PS $230.30 7700XU 13.5:1 Compression YZ250F `14-15, YZ250FX `15-16, WR250F `15-17 77 x 53.6 250 77 STD 40116PS $223.10 7700YC Circlips CW-16 13.5:1 Stock Compression YZ250F `14-15, YZ250FX `15-16, WR250F `15-17 77 x 53.6 250 77 STD 40127PS $266.27 7700YC Circlips CW-16 14:1 High Compression YZ250F `16-18, YZ250FX `17-19, WR250F `18-19 77 x 53.6 250 77 STD 40151PS $223.10 7700YC 13.5:1 Stock Compression, ArmorGlide Skirt Coated YZ250F `16-18, YZ250FX `17-19, WR250F `18-19 77 x 53.6 250 77 STD 40167PS $266.27 7700YC Circlips CW-16 14.5:1 Compression, ArmorGlide Skirt Coated YZ250F `16-18, YZ250FX `17-19, WR250F `18-19, Racer Elite 77 x 53.6 250 77 STD RE802PS $393.69 14.5:1 Compression, ArmorGlide Asymmetric Skirt, Lapped Ring, DLC Piston Pin YZ250F `19-23, YZ250FX `20-23, WR250F `20-23 77 x 53.6 250 77 STD 40229PS $220.70 7700YC Circlips CW-16 13.8:1 Stock Compression, ArmorGlide, Boxed Forging YZ250F `19-23, YZ250FX `20-23, WR250F `20-23, Racer Elite 77 x 53.6 250 77 STD RE823PS $393.69 14.5:1 Compression, ArmorGlide Asymmetric Skirt, Lapped Ring, DLC Piston Pin XT350, `85-98; TT350, `85-98 86 x 59.6 354 87 0.040 4674P4 $172.73 3425XC Circlips CW-19 9:1 Compression YZ400F `98-99; WR400F `98-00 92 x 60.1 399 92 STD 4649PS $237.50 Circlips CW-18 12.5:1 Compression Wrist pin S-560 WR450F, `07-15; YZ450F, `03-09 95 x 63.4 449 95 STD 4785PS $237.50 3741XS Circlips CW-18 12.5:1 Stock Compression WR450F, `07-15: YZ450F `03-09 95 449 95 STD 4786PS $227.58 3741XS Circlips CW-18 13:1 Compression YZ450F, `10-13 97 x 60.8 449 97 STD 40001PS $237.50 3819XS Circlips CW-18 12.5:1 Compression; Skirt Coated YZ450F, `10-13, Racer Elite 97 x 60.8 449 97 STD RE815PS $389.98 9700ZSZ Circlips CW-18 13.5:1 High Compression, ArmorGlide Asymmetric Skirt, Lapped Ring, DLC Piston Pin YZ450F `14-17, YZ450FX `16-18, WR450F `16-18 97 x 60.8 449 97 STD 40111PS $237.50 Circlips CW-18 12.5:1 Stock Compression; ArmorGlide Skirt Coated YZ450F `14-17, YZ450FX `16-18, WR450F `16-18, Racer Elite 97 x 60.8 449 97 STD RE809PS $393.69 9700ZVZ Circlips CW-18 14.0:1 High Compression, ArmorGlide Asymmetric Skirt, Lapped Ring, DLC Piston Pin YZ450F, `18-19, YZ450FX `19 97 x 60.8 449 97 STD 40199PS $237.50 3819XS Circlips CW-18 12.8:1 Stock Compression; ArmorGlide, Boxed Forging YZ450F `18-19, YZ450FX `19-20, WR450F `19-20, Racer Elite 97 x 60.8 449 97 STD RE818PS $393.69 Circlips CW-18 14.0:1 High Compression, ArmorGlide Asymmetric Skirt, Lapped Ring, DLC Piston Pin YZ450F `20-22, YZ450FX `21, WR450F `21-23 97 x 60.9 449 97 STD 40254PS $237.50 Circlips CW-18 13.:1 Stock Compression; ArmorGlide, Boxed Forging YZ450F `20-22, YZ450FX `21, WR450F `21-23 97 x 60.9 449 97 STD 40255PS $268.67 Circlips CW-18 YZ450FX `21, WR450F `21-23 13.5:1 High Compression; ArmorGlide, Boxed Forging YZ450F `20-22, YZ450FX `21-22, WR450F `21-23 Racer Elite 97 x 60.8 449 97 STD RE825PS $393.69 Circlips CW-18 14.0:1 High Compression, ArmorGlide Asymmetric Skirt, Lapped Ring, DLC Piston Pin All kits come with pistons, rings and circlips. Wrist Pin is included, except when noted. For replacement ring pricing, see page 838 PISTONS
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