Offroad 2019

426 ENGINE body accessories handlebar & grips cables & levers electrical & ignition engine fuel & intake clutch brakes drive steering & suspension bearings tires exhaust chemicals tools & shop MODEL YEAR- RANGE VERSION COMP. RATIO CYL- INDER BORE( MM) PISTON DIAM. (MM) DIS- PLACE- MENT SIZE OVER STD TOP END PISTON KIT PART NO. PISTON KIT PART NO. REPLACE- MENT RING(S) PART NO. WRIST PIN PART NO. CIR- CLIP PART NO. YAMAHA CONTINUED WR 450F 16-18 Forged High Comp 13.5:1 97 96.94 450 903649 WR 450F 16-18 Forged High Comp 13.5:1 97 96.95 450 903650 WR 450F 16-18 Forged High Comp 13.5:1 97 96.96 450 903651 WR 450F 16-18 Forged Replica 12.5:1 97 96.94 450 903646 WR 450F 16-18 Forged Replica 12.5:1 97 96.95 450 903647 WR 450F 16-18 Forged Replica 12.5:1 97 96.96 450 903648 WR 450F 16-18 GP Racer’s Choice 13.7:1 97 96.94 450 903652 WR 450F 16-18 GP Racer’s Choice 13.7:1 97 96.95 450 903653 WR 450F 16-18 GP Racer’s Choice 13.7:1 97 96.96 450 903654 YZ 125 97 CAST REPLICA 54 53.94 125 901158 901581 901009 901680 YZ 125 01 CAST REPLICA STD 54 53.94 125 872057 YZ 125 94-96 CAST REPLICA 54 53.94 125 901145 901581 901024 901675 YZ 125 98-00 CAST REPLICA STD 54 53.94 125 903118 YZ 125 98-01 CAST REPLICA STD 54 53.94 125 901167 901581 901009 901680 YZ 125 02-04 CAST REPLICA STD 54 53.94 125 903119 YZ 125 02-04 CAST REPLICA 54 53.94 125 901193 901581 901009 901680 YZ 125 05-14 CAST REPLICA 54 53.94 125 903120 YZ 125 05-18 CAST BIG BORE STD 55 54.95 130 1 901941 901943 901009 901675 YZ 125 05-18 CAST BIG BORE STD 56 55.95 135 2 901942 901944 901009 901675 YZ 125 05-18 CAST REPLICA 54 53.94 125 901289 901581 901009 901680 YZ 125 05-18 FORGED BIG BORE 58 57.95 144 4 901347 901585 901667 901680 YZ 125 05-18 FORGED BIG BORE 58 57.96 144 4 901945 901585 901667 901680 YZ 250 01 CAST REPLICA 66.4 66.35 250 903121 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 99-00 CAST REPLICA 66.4 66.35 250 903122 YZ 250 99-18 CAST BIG BORE STD 72 71.96 295 5.6 903634 901106 901034 901682 YZ 250 99-18 CAST BIG BORE STD 72 71.94 295 5.6 903632 901106 901034 901682 YZ 250 99-18 CAST BIG BORE STD 72 71.95 295 5.6 903633 901106 901034 901682 YZ 250 99-18 CAST REPLICA 66.4 66.34 250 901946 901103 901034 901682 YZ 250 99-18 CAST REPLICA 66.4 66.35 250 901175 901103 901034 901682 YZ 250 02-14 CAST REPLICA 66.4 66.35 250 903123 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 YZ 250F 01-07 FORGED HIGH COMP 13.5:1 77 76.97 250 901210 901628 901040 901675 YZ 250F 01-07 FORGED HIGH COMP 13.5:1 77 76.98 250 901211 901628 901040 901675 YZ 250F 05-07 FORGED BIG BORE 12.5:1 80 79.96 269 3 901297 901604 901040 901675 YZ 250F 05-07 FORGED BIG BORE 12.5:1 80 79.97 269 3 901298 901604 901040 901675 YZ 250F 05-07 FORGED BIG BORE 12.5:1 80 79.98 269 3 901299 901604 901040 901675 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 05-07 FORGED REPLICA 12.5 77 76.94 250 901293 901628 901040 901675 YZ 250F 05-07 FORGED REPLICA 12.5:1 77 76.95 250 901294 901628 901040 901675 YZ 250F 05-07 FORGED REPLICA 12.5 77 76.96 250 901295 901628 901040 901675 YZ 250F 05-07 FORGED REPLICA 12.5:1 77 76.97 250 0 901296 901628 901040 901675 YZ 250F 08-13 FORGED HIGH COMP 13.9:1 77 76.95 250 STD 901373 901599 901040 901675 YZ 250F 08-13 FORGED HIGH COMP 13.9:1 77 76.96 250 STD 901374 901599 901040 901675 YZ 250F 08-13 FORGED HIGH COMP 13.9:1 77 76.97 250 STD 901375 901599 901040 901675 YZ 250F 08-13 FORGED HIGH COMP 13.9:1 77 76.98 250 STD 901376 901599 901040 901675 YZ 250F 08-13 FORGED HIGH COMP 14.2:1 77 76.95 250 901956 901599 871963 901778 YZ 250F 08-13 FORGED HIGH COMP 14.2:1 77 76.96 250 901957 901599 871963 901778 YZ 250F 08-13 FORGED HIGH COMP 14.2:1 77 76.97 250 901958 901599 871963 901778 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 PISTONS