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ENGINE
467
2016 OFFROAD CATALOG
accessories
body
handlebar
& grips
cables &
levers
engine
fuel &
intake
electrical
& ignition
clutch
drive
bearings
brakes
steering &
suspension
tires
tools &
shop
exhaust
PISTONS
MODEL
YEAR VERSION
COMP.
RATIO
CYLINDER
BORE
(MM)
PISTON
DIAM. (MM)
DIS-
PLACE-
MENT
SIZE
OVER
STD
TOP END
PISTON
KIT
PISTON
KIT
REPLACE-
MENT
RING(S)
CIRCLIP
YAMAHA
WR 250
91-95 CAST REPLICA
68 67.95 250
-----
901138 901109 901682
WR 250
96-97 CAST REPLICA
68 67.94 250
-----
901938 901109 901682
WR 250
96-97 CAST REPLICA
68 67.95 250
-----
901150 901109 901682
WR 250F 01-04 FORGED REPLICA 12.7:1 77 76.94 250
903448 -----
-----
-----
WR 250F 01-04 FORGED REPLICA 12.7:1 77 76.95 250
903449 -----
-----
-----
WR 250F 01-04 FORGED REPLICA 12.7:1 77 76.96 250
903450 -----
-----
-----
WR 250F 01-04 FORGED BIG BORE 12.5:1 79 78.96 262 2
-----
-----
903772 901675
WR 250F 01-04 FORGED REPLICA 12.7:1 77 76.94 250
-----
901188 903773 901675
WR 250F 01-04 FORGED REPLICA 12.7:1 77 76.95 250
-----
901189 903773 901675
WR 250F 01-04 FORGED REPLICA 12.7:1 77 76.96 250
-----
901190 903773 901675
WR 250F 01-04 FORGED REPLICA 12.7:1 77 76.97 250
-----
901191 903773 901675
WR 250F 01-14 FORGED HIGH COMP 13.5:1 77 76.95 250
-----
901195 903748 901675
WR 250F 01-14 FORGED HIGH COMP 13.5:1 77 76.94 250
-----
901207 903773 901675
WR 250F 01-14 FORGED HIGH COMP 13.5:1 77 76.95 250
-----
901208 903773 901675
WR 250F 01-14 FORGED HIGH COMP 13.5:1 77 76.96 250
-----
901209 903773 901675
WR 250F 01-14 FORGED HIGH COMP 13.5:1 77 76.97 250
-----
901210 903773 901675
WR 250F 01-14 FORGED HIGH COMP 13.5:1 77 76.98 250
-----
901211 903773 901675
WR 250F 05-13 FORGED REPLICA 12.5:1 77 76.94 250
903451 -----
-----
-----
WR 250F 05-13 FORGED REPLICA 12.5:1 77 76.95 250
903452 -----
-----
-----
WR 250F 05-13 FORGED REPLICA 12.5:1 77 76.96 250
903453 -----
-----
-----
WR 250F 05-13 FORGED BIG BORE 12.5:1 79 78.96 262 2
-----
901292 903772 901675
WR 250F 05-13 FORGED BIG BORE 12.5:1 84 83.96 297 7
-----
901317 903677 901675
WR 250F 05-13 FORGED BIG BORE 12.5:1 80 79.96 269 3
-----
901297 903676 901675
WR 250F 05-13 FORGED BIG BORE 12.5:1 80 79.97 269 3
-----
901298 903676 901675
WR 250F 05-13 FORGED BIG BORE 12.5:1 80 79.98 269 3
-----
901299 903676 901675
WR 250F 05-14 FORGED REPLICA
12.5 77 76.94 250
-----
901293 903773 901675
WR 250F 05-14 FORGED REPLICA 12.5:1 77 76.95 250
-----
901294 903773 901675
WR 250F 05-14 FORGED REPLICA
12.5 77 76.96 250
-----
901295 903773 901675
WR 250F 05-14 FORGED REPLICA 12.5:1 77 76.97 250
-----
901296 903773 901675
WR 250F 15-16 FORGED REPLICA 13.5:1 77 76.95 250
-----
901959 903774 901675
WR 250F 15-16 FORGED REPLICA 13.5:1 77 76.96 250
-----
901960 903774 901675
WR 250F 15-16 FORGED REPLICA 13.5:1 77 76.97 250
-----
901961 903774 901675
WR 250F 15-16 FORGED HIGH COMP 14.2:1 77 76.95 250
-----
901950 903713 901675
WR 250F 15-16 FORGED HIGH COMP 14.2:1 77 76.96 250
-----
901951 903713 901675
WR 250F 15-16 FORGED HIGH COMP 14.2:1 77 76.97 250
-----
901952 903713 901675
WR 250F 15-16 FORGED BIG BORE 13.5:1 80 79.95 270 3
-----
901947 903676 901675
WR 250F 15-16 FORGED BIG BORE 13.5:1 80 79.96 270 3
-----
901948 903676 901675
WR 250F 15-16 FORGED BIG BORE 13.5:1 80 79.97 270 3
-----
901949 903676 901675
WR 400F 98-00 FORGED REPLICA 12.5:1 92 91.93 400
-----
901173 903660 901939
WR 426F 01-02 FORGED REPLICA 12.5:1 95 94.93 426
-----
901179 903775 901684
WR 450F 03-06 FORGED REPLICA 12.5:1 95 94.93 450 STD
903454 -----
-----
-----
WR 450F 03-06 FORGED REPLICA 12.5:1 95 94.94 450 STD
903455 -----
-----
-----
WR 450F 03-06 FORGED REPLICA 12.5:1 95 94.95 450 STD
903456 -----
-----
-----
WR 450F 03-12 FORGED BIG BORE 12.3:1 97 96.95 468 2
-----
-----
903776 901682
WR 450F 03-14 FORGED BIG BORE 12.5:1 98 97.96 478 3
-----
901380 903714 901682
WR 450F 03-14 FORGED BIG BORE 12.5:1 98 97.97 478 3
-----
901381 903714 901682
WR 450F 03-14 FORGED BIG BORE 12.5:1 98 97.98 478 3
-----
901382 903714 901682
WR 450F 03-15 FORGED BIG BORE 12.5:1 100 99.96 498 5
-----
901329 903686 901682
WR 450F 03-15 FORGED RACE
13.5:1 95 94.93 450
-----
901212 903702 901682