CRANKSHAFT & PISTON
2021 Yamaha WR250F

Click image to zoom
29 Parts
CRANKSHAFT ASSY
B7B-11400-00
. CRANK 1
B7B-11412-00
. CRANK 2
B7B-11422-00
. PIN, CRANK 1
1SM-11681-00
. BEARING
93310-63097
. ROD, CONNECTING
1SM-11651-20
. WASHER
90209-30011
Required: 2 pcs
. PIN, CLEVIS
90240-07105
SPRING, COMPRESSION
90501-070A2
. PIN, DOWEL
93602-13177
BEARING
93306-20648
Required: 2 pcs
GEAR, DRIVE
1SM-11536-10
SHAFT 1
1SM-11455-10
BEARING
93306-20351
Required: 2 pcs
COLLAR
90387-175R2
GEAR, BALANCE WEIGHT
1SM-11531-00
WEIGHT 1
1SM-11454-00
SCREW
90149-06083
Required: 2 pcs
WASHER, CONICAL SPRING
90208-14033
NUT
90170-14171
WEIGHT 2
1SM-11464-00
WASHER, CONICAL SPRING
90208-10001
NUT
90170-10012
PISTON ASSY
B7B-116A0-00
. PISTON (STD)
B7B-11631-00
. PISTON RING SET (STD)
1SM-11603-00
. PIN, PISTON
1SM-11633-20
. CIRCLIP
93450-17129
Required: 2 pcs
KEY, WOODRUFF
90280-03006