ENGINE
468
body
accessories
handlebar
& grips
cables &
levers
electrical
& ignition
engine
fuel &
intake
clutch
brakes
drive
steering &
suspension
bearings
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
CONTINUED
WR 450F 03-15 FORGED RACE
13.5:1 95 94.94 450
-----
901213 903702 901682
WR 450F 03-15 FORGED RACE
13.5:1 95 94.95 450
-----
901214 903702 901682
WR 450F 03-15 FORGED RACE
13.5:1 95 94.96 450
-----
901215 903702 901682
WR 450F 03-15 FORGED REPLICA 12.5:1 95 94.93 450 STD
-----
901223 903777 901682
WR 450F 03-15 FORGED REPLICA 12.5:1 95 94.94 450 STD
-----
901224 903777 901682
WR 450F 03-15 FORGED REPLICA 12.5:1 95 94.95 450 STD
-----
901225 903777 901682
WR 450F 03-15 FORGED REPLICA 12.5:1 95 94.96 450 STD
-----
901226 903777 901682
WR 450F 03-15 FORGED BIG BORE 12.3:1 97 96.96 468 2
-----
901238 903698 901682
WR 450F 03-15 FORGED BIG BORE 12.3:1 97 96.97 468 2
-----
901239 903698 901682
WR 450F 03-15 FORGED BIG BORE 12.3:1 97 96.98 468 2
-----
901240 903698 901682
WR 450F 07-13 FORGED REPLICA 12.5:1 95 94.93 450 STD
903457 -----
-----
-----
WR 450F 07-13 FORGED REPLICA 12.5:1 95 94.94 450 STD
903458 -----
-----
-----
WR 450F 07-13 FORGED REPLICA 12.5:1 95 94.95 450 STD
903459 -----
-----
-----
YZ 125
97 CAST REPLICA
54 53.94 125
-----
901158 901581 901680
YZ 125
94-96 CAST REPLICA
54 53.94 125
-----
901145 901581 901675
YZ 125
98-01 CAST REPLICA
STD 54 53.94 125
903118 -----
-----
-----
YZ 125
98-01 CAST REPLICA
STD 54 53.94 125
-----
901167 901581 901680
YZ 125
02-04 CAST REPLICA
STD 54 53.94 125
903119 -----
-----
-----
YZ 125
02-04 REPLICA
54 53.93 125
-----
-----
901581 901675
YZ 125
02-04 CAST REPLICA
54 53.94 125
-----
901193 901581 901680
YZ 125
05-14 CAST REPLICA
54 53.94 125
903120 -----
-----
-----
YZ 125
05-16 CAST BIG BORE
STD 55 54.95 130 1
-----
901941 901943 901675
YZ 125
05-16 CAST BIG BORE
STD 56 55.95 135 2
-----
901942 901944 901675
YZ 125
05-16 CAST REPLICA
54 53.94 125
-----
901289 901581 901680
YZ 125
05-16 FORGED BIG BORE
58 57.95 144 4
-----
901347 901585 901680
YZ 125
05-16 FORGED BIG BORE
58 57.96 144 4
-----
901945 901585 901680
YZ 250
01 CAST REPLICA
66.4 66.35 250
903121 -----
-----
-----
YZ 250
90-95 CAST REPLICA
68 67.95 250
-----
901138 901109 901682
YZ 250
96-98 CAST REPLICA
68 67.94 250
-----
901938 901109 901682
YZ 250
96-98 CAST REPLICA
68 67.95 250
-----
901150 901109 901682
YZ 250
96-98 CAST REPLICA
STD 68 67.95 250
-----
-----
901109 901682
YZ 250
99-00 CAST REPLICA
66.4 66.35 250
903122 -----
-----
-----
YZ 250
99-16 CAST REPLICA
66.4 66.34 250
-----
901946 901103 901682
YZ 250
99-16 CAST REPLICA
66.4 66.35 250
-----
901175 901103 901682
YZ 250
99-16 CAST BIG BORE
STD 72 71.94 295 5.6
-----
903632 901106 901682
YZ 250
99-16 CAST BIG BORE
STD 72 71.95 295 5.6
-----
903633 901106 901682
YZ 250
99-16 CAST BIG BORE
STD 72 71.96 295 5.6
-----
903634 901106 901682
YZ 250
02-14 CAST REPLICA
66.4 66.35 250
903123 -----
-----
-----
YZ 250F
16 FORGED REPLICA 13.5:1 77 76.95 250
-----
903635 903713 901675
YZ 250F
16 FORGED REPLICA 13.5:1 77 76.96 250
-----
903636 903713 901675
YZ 250F
16 FORGED REPLICA 13.5:1 77 76.97 250
-----
903637 903713 901675
YZ 250F
16 FORGED HIGH COMP
77 76.95 250
-----
903638 903713 901675
YZ 250F
16 FORGED HIGH COMP
77 76.96 250
-----
903639 903713 901675
YZ 250F
16 FORGED HIGH COMP
77 76.97 250
-----
903640 903713 901675
YZ 250F
16 FORGED HIGH COMP
77 76.95 250
-----
903641 903713 901675
YZ 250F
16 FORGED HIGH COMP
77 77.96 250
-----
903642 903713 901675
YZ 250F
16 FORGED HIGH COMP
77 76.97 250
-----
903643 903713 901675
YZ 250F
01-04 FORGED REPLICA 12.7:1 77 76.94 250
903448 -----
-----
-----
YZ 250F
01-04 FORGED REPLICA 12.7:1 77 76.95 250
903449 -----
-----
-----
YZ 250F
01-04 FORGED REPLICA 12.7:1 77 76.96 250
903450 -----
-----
-----