Displacement

Year

Model

Finish line

Parts catalogue

Parts diagram

CYLINDER

CRANKSHAFT / PISTON FOR YAMAHA YZ 250 F 2023

VALVE

(1) B7B-11400-01

CRANKSHAFT ASSY

(2) B7B-11412-01

CRANK 1

(3) B7B-11422-01

CRANK 2

(4) 1SM-11681-00

PIN, CRANK 1

(5) 93310-63097

BEARING

(6) 1SM-11651-20

ROD, CONNECTING

(7) 90209-30011

WASHER

(7) 90209-30011

WASHER

(8) 90240-07105

PIN, CLEVIS(30X)

(9) 90501-070A2

SPRING, COMPRESSION

(10) 93602-13177

PIN, DOWEL (5H0)

(11) 93306-20648

BEARING

(11) 93306-20648

BEARING

(12) 1SM-11536-10

GEAR, DRIVE

(13) 1SM-11455-10

SHAFT 1

(14) 93306-20351

BEARING

(14) 93306-20351

BEARING

(15) 90387-175R2

COLLAR(1NU)

(16) 1SM-11531-00

GEAR, BALANCE WEIGHT

(17) 1SM-11454-00

WEIGHT 1

(18) 901490608400

SCREW

(19) 90208-14033

WASHER, CONICAL SPRING

(20) 901701417100

NUT, HEXAGON

(21) 1SM-11464-00

WEIGHT 2

(22) 90208-10001

WASHER, CONICAL SPRING

(23) 90170-10012

NUT

(24) B7B-116A0-00

PISTON ASSY

(25) B7B-11631-00

PISTON (STD)

(26) 1SM-11603-01

PISTON RING SET (STD)

(27) 1SM-11633-30

PIN, PISTON

(28) 93450-17129

CIRCLIP(1AR)

(28) 93450-17129

CIRCLIP(1AR)

(29) 90280-03006

KEY, WOODRUFF

	Part number	Description	Qty
# 1	B7B-11400-01 B7B1140001 B7B1140001	CRANKSHAFT ASSY	£661,32
# 2	B7B-11412-01 B7B1141201 B7B1141201	CRANK 1	£268,37
# 3	B7B-11422-01 B7B1142201 B7B1142201	CRANK 2	£319,43
# 4	1SM-11681-00 1SM1168100 1SM1168100	PIN, CRANK 1	£67,19
# 5	93310-63097 9331063097 9331063097	BEARING	£69,06
# 6	1SM-11651-20 1SM1165120 1SM1165120	ROD, CONNECTING	£103,84
# 7	90209-30011 9020930011 9020930011	WASHER	£35,36
# 8	90240-07105 9024007105 9024007105	PIN, CLEVIS(30X)	£13,69
# 9	90501-070A2 90501070A2 90501070A2	SPRING, COMPRESSION	£1,36
# 10	93602-13177 9360213177 9360213177	PIN, DOWEL (5H0)	£2,09
# 11	93306-20648 9330620648 9330620648	BEARING	£90,91
# 12	1SM-11536-10 1SM1153610 1SM1153610	GEAR, DRIVE	£170,82
# 13	1SM-11455-10 1SM1145510 1SM1145510	SHAFT 1	£159,30
# 14	93306-20351 9330620351 9330620351	BEARING	£30,30
# 15	90387-175R2 90387175R2 90387175R2	COLLAR(1NU)	£6,11
# 16	1SM-11531-00 1SM1153100 1SM1153100	GEAR, BALANCE WEIGHT	£127,06
# 17	1SM-11454-00 1SM1145400 1SM1145400	WEIGHT 1	£48,58
# 18	90149-06083 901490608400 9014906083	SCREW	£1,39
# 19	90208-14033 9020814033 9020814033	WASHER, CONICAL SPRING	£3,01
# 20	901701417100 901701417100 901701417100	NUT, HEXAGON	£3,55
# 21	1SM-11464-00 1SM1146400 1SM1146400	WEIGHT 2	£65,69
# 22	90208-10001 9020810001 9020810001	WASHER, CONICAL SPRING	£1,18
# 23	90170-10012 9017010012 9017010012	NUT	£4,46
# 24	B7B-116A0-00 B7B116A000 B7B116A000	PISTON ASSY	£122,39
# 25	B7B-11631-00 B7B1163100 B7B1163100	PISTON (STD)	£141,47
# 26	1SM-11603-01 1SM1160301 1SM1160301	PISTON RING SET (STD)	£49,79
# 27	1SM-11633-30 1SM1163330 1SM1163330	PIN, PISTON	£29,39
# 28	93450-17129 9345017129 9345017129	CIRCLIP(1AR)	£1,18
# 29	90280-03006 9028003006 9028003006	KEY, WOODRUFF	£6,94

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