Offroad 2018

ENGINE body accessories handlebar & grips cables & levers electrical & ignition engine fuel & intake clutch brakes drive steering & suspension bearings tires exhaust 386 chemicals tools & shop PISTONS MODEL YEAR-RANGE VERSION COMP. RATIO CYL- INDER BORE (MM) PISTON DIAM. (MM) DISPLACE- MENT SIZE OVER STD TOP END PISTON KIT PART # PISTON KIT PART # REPLACE- MENT RING(S) PART # WRIST PIN PART # CIRCLIP PART # YAMAHA CONTINUED WR 250F 05-14 FORGED REPLICA 12.5:1 77 76.97 250 0 901296 901628 901040 901675 WR 250F 05-13 FORGED BIG BORE 12.5:1 80 79.96 269 3 901297 901604 901040 901675 WR 250F 05-13 FORGED BIG BORE 12.5:1 80 79.97 269 3 901298 901604 901040 901675 WR 250F 05-13 FORGED BIG BORE 12.5:1 80 79.98 269 3 901299 901604 901040 901675 WR 250F 15-16 FORGED REPLICA 13.5:1 77 76.95 250 901959 901666 901675 WR 250F 15-16 FORGED REPLICA 13.5:1 77 76.96 250 901960 901666 901675 WR 250F 15-16 FORGED REPLICA 13.5:1 77 76.97 250 901961 901666 901675 WR 250F 15-16 FORGED HIGH COMP 14.2:1 77 76.95 250 901950 903331 901666 901675 WR 250F 15-16 FORGED HIGH COMP 14.2:1 77 76.96 250 901951 903331 901666 901675 WR 250F 15-16 FORGED HIGH COMP 14.2:1 77 76.97 250 901952 903331 901666 901675 WR 250F 15-16 FORGED BIG BORE 13.5:1 80 79.95 270 3 901947 901604 901666 901675 WR 250F 15-16 FORGED BIG BORE 13.5:1 80 79.96 270 3 901948 901604 901666 901675 WR 250F 15-16 FORGED BIG BORE 13.5:1 80 79.97 270 3 901949 901604 901666 901675 WR 400F 98-00 FORGED REPLICA 12.5:1 92 91.93 400 901173 901644 901045 901939 WR 426F 01-02 FORGED REPLICA 12.5:1 95 94.93 426 901179 901647 901016 901684 WR 450F 07-15 FORGED REPLICA 12.5:1 95 94.95 450 STD 903459 WR 450F 03-06 FORGED REPLICA 12.5:1 95 94.95 450 STD 903456 WR 450F 07-15 FORGED REPLICA 12.5:1 95 94.94 450 STD 903458 WR 450F 03-06 FORGED REPLICA 12.5:1 95 94.94 450 STD 903455 WR 450F 07-15 FORGED REPLICA 12.5:1 95 94.93 450 STD 903457 WR 450F 03-06 FORGED REPLICA 12.5:1 95 94.93 450 STD 903454 WR 450F 03-15 FORGED RACE 13.5:1 95 94.93 450 901212 901615 901041 901682 WR 450F 03-15 FORGED RACE 13.5:1 95 94.94 450 901213 901615 901041 901682 WR 450F 03-15 FORGED RACE 13.5:1 95 94.95 450 901214 901615 901041 901682 WR 450F 03-15 FORGED RACE 13.5:1 95 94.96 450 901215 901615 901041 901682 WR 450F 03-15 FORGED REPLICA 12.5:1 95 94.93 450 STD 901223 901646 901041 901682 WR 450F 03-15 FORGED REPLICA 12.5:1 95 94.94 450 STD 901224 901646 901041 901682 WR 450F 03-15 FORGED REPLICA 12.5:1 95 94.95 450 STD 901225 901646 901041 901682 WR 450F 03-15 FORGED REPLICA 12.5:1 95 94.96 450 STD 901226 901646 901041 901682 WR 450F 03-14 FORGED BIG BORE 12.5:1 98 97.96 478 3 901380 901622 901041 901682 WR 450F 03-14 FORGED BIG BORE 12.5:1 98 97.97 478 3 901381 901622 901041 901682 WR 450F 03-14 FORGED BIG BORE 12.5:1 98 97.98 478 3 901382 901622 901041 901682 YZ 125 05-14 CAST REPLICA 54 53.94 125 903120 YZ 125 02-04 CAST REPLICA STD 54 53.94 125 903119 YZ 125 98-00 CAST REPLICA STD 54 53.94 125 903118 YZ 125 05-16 CAST BIG BORE STD 55 54.95 130 1 901941 901943 901009 901675 YZ 125 05-16 CAST BIG BORE STD 56 55.95 135 2 901942 901944 901009 901675 YZ 125 94-96 CAST REPLICA 54 53.94 125 901145 901581 901024 901675 YZ 125 97 CAST REPLICA 54 53.94 125 901158 901581 901009 901680 YZ 125 98-01 CAST REPLICA STD 54 53.94 125 901167 901581 901009 901680 YZ 125 02-04 CAST REPLICA 54 53.94 125 901193 901581 901009 901680 YZ 125 05-16 CAST REPLICA 54 53.94 125 901289 901581 901009 901680 YZ 125 05-16 FORGED BIG BORE 58 57.95 144 4 901347 901585 901667 901680 YZ 125 05-16 FORGED BIG BORE 58 57.96 144 4 901945 901585 901667 901680 YZ 250 02-14 CAST REPLICA 66.4 66.35 250 903123 YZ 250 01 CAST REPLICA 66.4 66.35 250 903121 YZ 250 99-00 CAST REPLICA 66.4 66.35 250 903122 YZ 250 90-95 CAST REPLICA 68 67.95 250 901138 901109 901007 901682 YZ 250 96-98 CAST REPLICA 68 67.94 250 901938 901109 901007 901682 YZ 250 96-98 CAST REPLICA 68 67.95 250 901150 901109 901007 901682 YZ 250 99-16 CAST REPLICA 66.4 66.34 250 901946 901103 901034 901682 YZ 250 99-16 CAST REPLICA 66.4 66.35 250 901175 901103 901034 901682 YZ 250 99-16 CAST BIG BORE STD 72 71.94 295 5.6 903632 901106 901034 901682 YZ 250 99-16 CAST BIG BORE STD 72 71.95 295 5.6 903633 901106 901034 901682 YZ 250 99-16 CAST BIG BORE STD 72 71.96 295 5.6 903634 901106 901034 901682 YZ 250F 08-13 FORGED REPLICA 13.5:1 77 76.97 250 STD 903462 YZ 250F 08-13 FORGED REPLICA 13.5:1 77 76.96 250 STD 903461 YZ 250F 08-13 FORGED REPLICA 13.5:1 77 76.95 250 STD 903460 YZ 250F 05-07 FORGED REPLICA 12.5:1 77 76.96 250 903453 YZ 250F 05-07 FORGED REPLICA 12.5:1 77 76.95 250 903452 YZ 250F 05-07 FORGED REPLICA 12.5:1 77 76.94 250 903451 YZ 250F 01-04 FORGED REPLICA 12.7:1 77 76.96 250 903450 YZ 250F 01-04 FORGED REPLICA 12.7:1 77 76.95 250 903449 YZ 250F 01-04 FORGED REPLICA 12.7:1 77 76.94 250 903448 YZ 250F 01-04 FORGED REPLICA 12.7:1 77 76.94 250 901188 901628 901040 901675 YZ 250F 01-04 FORGED REPLICA 12.7:1 77 76.95 250 901189 901628 901040 901675 YZ 250F 01-04 FORGED REPLICA 12.7:1 77 76.96 250 901190 901628 901040 901675 YZ 250F 01-04 FORGED REPLICA 12.7:1 77 76.97 250 901191 901628 901040 901675 YZ 250F 01-07 FORGED HIGH COMP 13.5:1 77 76.95 250 901195 901599 901040 901675 YZ 250F 01-07 FORGED HIGH COMP 13.5:1 77 76.94 250 901207 901628 901040 901675 YZ 250F 01-07 FORGED HIGH COMP 13.5:1 77 76.95 250 901208 901628 901040 901675 YZ 250F 01-07 FORGED HIGH COMP 13.5:1 77 76.96 250 901209 901628 901040 901675