Offroad 2020

ENGINE body accessories handlebar & grips cables & levers electrical & ignition engine fuel & intake clutch brakes drive steering & suspension bearings tires exhaust chemicals tools & shop 420 MODEL YEAR VERSION COMP. RATIO CYLINDER BORE (mm) PISTON DIAM. (mm) DISPLACEMENT SIZE OVER STD TOP END PISTON KIT PISTON KIT REPLACEMENT RING(S) WRIST PIN CIRCLIP YAMAHA CONTINUED YZ 250 02-20 Top End 834787 ----- ----- ----- ----- YZ 250 02-20 Top End 66.35 250.00 903123 ----- ----- ----- ----- YZ 250 F 16 Forged High Compression 14.4:1 76.95 250.00 ----- 901953 903331 901666 901675 YZ 250 F 16 Forged High Compression 14.4:1 76.96 250.00 ----- 901954 903331 901666 901675 YZ 250 F 16 Forged High Compression 14.4:1 76.97 250.00 ----- 901955 903331 901666 901675 YZ 250 F 17 Forged High Compression 13.7:1 76.95 270.00 ----- 834555 901605 871963 901675 YZ 250 F 18 Forged High Compression 13.7:1 76.95 270.00 ----- 834555 901605 871963 901675 YZ 250 F 01-04 Forged Replica 12.7:1 76.94 250.00 ----- 901188 901628 901040 901675 YZ 250 F 01-04 Forged Replica 12.7:1 76.95 250.00 ----- 901189 901628 901040 901675 YZ 250 F 01-04 Top End 12.7:1 77 .00 76.94 250.00 903448 ----- ----- ----- ----- YZ 250 F 01-04 Top End 12.7:1 77 .00 76.95 250.00 903449 ----- ----- ----- ----- YZ 250 F 01-04 Top End 12.7:1 77 .00 76.96 250.00 903450 ----- ----- ----- ----- YZ 250 F 01-07 Forged High Compression 13.5:1 76.95 250.00 ----- 901195 901599 901040 901675 YZ 250 F 01-07 Forged High Compression 13.5:1 76.94 250.00 ----- 901207 901628 901040 901675 YZ 250 F 01-07 Forged High Compression 13.5:1 76.95 250.00 ----- 901208 901628 901040 901675 YZ 250 F 01-07 Top End 834849 ----- ----- ----- ----- YZ 250 F 01-07 Top End 834851 ----- ----- ----- ----- YZ 250 F 01-07 Top End 834853 ----- ----- ----- ----- YZ 250 F 05-07 Forged Big Bore 12.5:1 79.96 269.00 3.00 ----- 901297 901604 901040 901675 YZ 250 F 05-07 Forged Big Bore 12.5:1 79.97 269.00 3.00 ----- 901298 901604 901040 901675 YZ 250 F 05-07 Forged Big Bore 12.5:1 79.98 269.00 3.00 ----- 901299 901604 901040 901675 YZ 250 F 05-07 Forged Replica 12.5:1 76.94 250.00 ----- 901293 901628 901040 901675 YZ 250 F 05-07 Forged Replica 12.5:1 76.95 250.00 ----- 901294 901628 901040 901675 YZ 250 F 05-07 Top End 12.5:1 76.94 250.00 903451 ----- ----- ----- ----- YZ 250 F 05-07 Top End 12.5:1 76.95 250.00 903452 ----- ----- ----- ----- YZ 250 F 05-07 Top End 12.5:1 76.96 250.00 903453 ----- ----- ----- ----- YZ 250 F 08-13 Forged High Compression 13.9:1 76.95 250.00 STD ----- 901373 901599 901040 901675 YZ 250 F 08-13 Forged High Compression 13.9:1 76.96 250.00 STD ----- 901374 901599 901040 901675 YZ 250 F 08-13 Forged High Compression 13.9:1 76.97 250.00 STD ----- 901375 901599 901040 901675 YZ 250 F 08-13 Forged High Compression 14.2:1 76.95 250.00 ----- 901956 901599 871963 901778 YZ 250 F 08-13 Forged High Compression 14.2:1 76.96 250.00 ----- 901957 901599 871963 901778 YZ 250 F 08-13 Forged High Compression 14.2:1 76.97 250.00 ----- 901958 901599 871963 901778 YZ 250 F 08-13 Forged Replica 13.5:1 76.95 250.00 STD ----- 901369 901628 901040 901675 YZ 250 F 08-13 Forged Replica 13.5:1 76.96 250.00 STD ----- 901370 901628 901040 901675 YZ 250 F 08-13 Forged Replica 13.5:1 76.97 250.00 STD ----- 901962 901628 901040 901675 YZ 250 F 08-13 Top End 834868 ----- ----- ----- ----- YZ 250 F 08-13 Top End 834869 ----- ----- ----- ----- YZ 250 F 08-13 Top End 834870 ----- ----- ----- ----- YZ 250 F 08-13 Top End 834871 ----- ----- ----- ----- YZ 250 F 08-13 Top End 13.5:1 76.95 250.00 STD 903460 ----- ----- ----- ----- YZ 250 F 08-13 Top End 13.5:1 76.96 250.00 STD 903461 ----- ----- ----- ----- YZ 250 F 08-13 Top End 13.5:1 76.97 250.00 STD 903462 ----- ----- ----- ----- YZ 250 F 14-15 Forged High Compression 14.4:1 76.95 250.00 ----- 901953 903331 901666 901675 YZ 250 F 14-15 Forged High Compression 14.4:1 76.96 250.00 ----- 901954 903331 901666 901675 YZ 250 F 14-15 Forged High Compression 14.4:1 76.97 250.00 ----- 901955 903331 901666 901675 YZ 250 F 14-16 Forged High Compression 14.2:1 76.95 250.00 ----- 901950 903331 901666 901675 YZ 250 F 14-16 Forged High Compression 14.2:1 76.96 250.00 ----- 901951 903331 901666 901675 YZ 250 F 14-16 Forged High Compression 14.2:1 76.97 250.00 ----- 901952 903331 901666 901675 YZ 250 F 14-16 Forged Replica 13.5:1 76.95 250.00 ----- 901959 871968 901666 901675 YZ 250 F 14-16 Forged Replica 13.5:1 76.96 250.00 ----- 901960 871968 901666 901675 YZ 250 F 14-16 Forged Replica 13.5:1 76.97 250.00 ----- 901961 871968 901666 901675 YZ 250 F 14-18 Forged Big Bore 13.5:1 80 .00 79.95 270.00 3.00 ----- 901947 901604 901666 901675 YZ 250 F 14-18 Forged Big Bore 13.5:1 80 .00 79.96 270.00 3.00 ----- 901948 901604 901666 901675 YZ 250 F 14-18 Forged Big Bore 13.5:1 80 .00 79.97 270.00 3.00 ----- 901949 901604 901666 901675 YZ 250 F 15-18 Forged Big Bore 14.4:1 80 .00 79.96 270.00 3.00 ----- 903645 901605 871963 901675 YZ 250 F 15-18 Forged High Compression 13.8:1 77 .00 76.96 250.00 ----- 903644 903331 871963 901675 YZ 250 F 16-18 Forged High Compression 14.2:1 77 .00 76.95 250.00 ----- 903638 903331 871963 901675 YZ 250 F 16-18 Forged High Compression 14.2:1 77 .00 76.96 250.00 ----- 903639 903331 871963 901675 YZ 250 F 16-18 Forged High Compression 14.2:1 77 .00 76.97 250.00 ----- 903640 903331 871963 901675 YZ 250 F 16-18 Forged High Compression 13.7:1 77 .00 76.95 250.00 ----- 903641 903331 871963 901675 YZ 250 F 16-18 Forged High Compression 13.7:1 77 .00 76.96 250.00 ----- 903642 903331 871963 901675 YZ 250 F 16-18 Forged High Compression 13.7:1 77 .00 76.97 250.00 ----- 903643 903331 871963 901675 YZ 250 F 16-18 Forged Replica 13.5:1 77 .00 76.95 250.00 ----- 903635 903331 871963 901675 YZ 250 F 16-18 Forged Replica 13.5:1 77 .00 76.96 250.00 ----- 903636 903331 871963 901675 YZ 250 F 16-18 Forged Replica 13.5:1 77 .00 76.97 250.00 ----- 903637 903331 871963 901675 YZ 250 F 17-18 Forged High Compression 13.7:1 76.96 270.00 ----- 834556 901605 871963 901675 YZ 250 F 19-20 Forged High Comp 14.7:1 76.95 250.00 ----- 834670 903331 871963 901675 YZ 250 F 19-20 Forged High Comp 14.7:1 76.96 250.00 ----- 834671 903331 871963 901675 YZ 250 F 19-20 Forged Replica 13.8:1 76.95 250.00 ----- 834655 903331 871963 901675 YZ 250 F 19-20 Forged Replica 13.8:1 76.96 250.00 ----- 834656 903331 871963 901675 YZ 250 F 19-20 GP Racer's Choice 13.85:1 76.95 250.00 ----- 834674 903331 871963 901675 PISTONS