Offroad 2019

394 ENGINE body accessories handlebar & grips cables & levers electrical & ignition engine fuel & intake clutch brakes drive steering & suspension bearings tires exhaust chemicals tools & shop YEARS BORE X STROKE BORE SIZE TOP END KIT SINGLE PISTON RING SET PISTON PIN CIRCLIP TOP END GASKET KIT TOP END BEARING YAMAHA (2-STROKE) CONTINUED IT175 76-81 66.0 66.0 102708 2598CD S259 CW16 B1021 YZ175 76-81 x 66.5 102709 2618CD 50.0 67.0 102710 2638CD 67.5 101091 2658CD 68.0 101092 2677CD RT180 90-98 64.5 64.5 772M06450 2539CD S486 CW16 B1021 x 65.0 772M06500 2559CD 54.0 65.5 772M06550 2579CD 66.0 101901 2598CD IT200 84-86 66.0 66.0 103067 2598CD S259 CW16 B1005 x 66.5 103068 2618CD 57.0 67.0 103069 2638CD 67.5 103861 2658CD 68.0 103862 2677CD DT200R 89-91 66.0 66.0 101134 2598CD S271 CW16 104591 B1008 * Canadian Model - Not available in the U.S. x 66.5 101135 2618CD 57.0 67.0 101136 2638CD 67.5 101102 2658CD 68.0 101103 2677CD WR200 92-98 66.8 66.8 100793 2628CD S271 CW16 B1008 x 67.0 100794 2638CD 57.0 68.5 101413 2697CD YZ250 76-79 70.0 70.0 103871 2756CD S343 CW18 B1003 IT250 78-80 x 70.5 103872 2776CD DT250 74-79 64.0 71.0 103873 2795CD MX250 73-75 71.5 102269 2815CD 72.0 102270 2835CD YZ250 80-82 70.0 70.0 101293 2756CD S343 CW18 B1003 IT250 81-82 x 70.3 101294 2776CD 64.0 70.5 101295 2795CD 70.8 102820 2815CD 71.0 102821 2835CD IT250 83 68.0 68.0 515M06800 2677CD S511 CW18 B1014 x 68.5 515M06850 2697CD 68.0 69.0 2717CD 69.5 515M06950 2736CD 70.0 515M07000 2756CD YZ250 83-87 68.0 68.0 560M06800 2677CD S511 CW18 100362 B1014 * Power Valve must be modified for 69mm and larger x 68.5 560M06850 2697CD 1986-1987 68.0 69.0 560M06900 2717CD 69.5 103358 2736CD 70.0 103359 2756CD YZ250 88-91 68.0 68.0 103949 605M06800 2677CD S508 CW18 W5168 B1014 WR250 91 x 68.5 103950 605M06850 2697CD * Power Valve must be modified for 69mm and larger 68.0 69.0 103951 605M06900 2717CD * 1991 model is Nikasil bore 69.5 102830 2736CD 70.0 103308 102831 2756CD YZ250 92-98 68.0 68.0 736M06800 2677CS S508 CW18 W5168 B1014 x 1988-1994 68.0 W5467 1995-1998 YZ250 92-94 68.0 68.0 101624 677M06800 2677CD S508 CW18 W5168 B1014 WR250 92-94 x 68.5 101625 677M06850 2697CD 68.0 69.0 101626 677M06900 2717CD 70.0 102062 103107 2756CD YZ250 95-98 68.0 68.0 103334 677M06800 2677CD S508 CW18 W5467 B1014 WR250 95-98 x 68.5 103335 677M06850 2697CD 68.0 69.0 103336 677M06900 2717CD 70.0 103578 103107 2756CD YZ250 99-01 66.4 66.4 101398 804M06640 2614CD S508 CW18 W5744 B1003 x 68.5 102731 804M06850 2697CD 72.0 YZ250 02-18 66.4 66.4 101267 804M06640 2614CD S508 CW18 W5978 B1003 YZ250X 16-18 x 67.0 101268 804M06700 2638CD 72.0 67.5 101269 804M06750 2658CD 68.5 101964 804M06850 2697CD YZ250 02-18 66.4 66.4 102662 808M06640 2614CS S508 CW18 W5978 B1003 YZ250X 16-18 x 72.0 RC Series Piston YZ250 99-17 66.4 72.0 112196 2835CD S508 CW18 B1003 * Note: Cylinder, cylinder head, and powervalve x modifications required 72.0