Crankshaft & Piston
2026 Yamaha YZ250F YZ250FTSE 70TH Annivers
Parts in This Assembly
30 parts — click a part number to compare prices
| Ref # | Part Number | Qty |
|---|---|---|
| 1 |
BMF-11400-00-00
Crankshaft Assy |
1 |
| 2 |
BMF-11412-00-00
. .Crank 1 |
1 |
| 3 |
B7B-11422-02-00
. .Crank 2 |
1 |
| 4 |
1SM-11681-00-00
. .Pin, Crank 1 |
1 |
| 5 |
93310-63097-00
. .Bearing |
1 |
| 6 |
1SM-11651-20-00
. .Rod, Connecting |
1 |
| 7 |
90209-30011-00
. .Washer |
2 |
| 8 |
90240-07105-00
. Pin, Clevis |
1 |
| 9 |
90501-070A2-00
Spring, Compression |
1 |
| 10 |
93602-13177-00
. Pin, Dowel |
1 |
| 11 |
93306-20648-00
Bearing |
2 |
| 12 |
1SM-11536-10-00
Gear, Drive |
1 |
| 13 |
1SM-11455-10-00
Shaft 1 |
1 |
| 14 |
93306-20351-00
Bearing |
2 |
| 15 |
90387-175R2-00
Collar |
1 |
| 16 |
1SM-11531-00-00
Gear, Balance Weight |
1 |
| 17 |
1SM-11454-00-00
Weight 1 |
1 |
| 18 |
90149-06083-00
Screw |
2 |
| 18 |
90149-06084-00
Screw |
2 |
| 19 |
90208-14033-00
Washer, Conical Spring |
1 |
| 20 |
90170-14171-00
Nut |
1 |
| 21 |
1SM-11464-00-00
Weight 2 |
1 |
| 22 |
90208-10001-00
Washer, Conical Spring |
1 |
| 23 |
90170-10012-00
Nut |
1 |
| 24 |
B7B-116A0-00-00
Piston Assy |
1 |
| 25 |
B7B-11631-00-00
. .Piston (Std) |
1 |
| 26 |
1SM-11603-01-00
. .Piston Ring Set (Std) |
- |
| 27 |
1SM-11633-30-00
. .Pin, Piston |
1 |
| 28 |
93450-17129-00
Circlip |
2 |
| 29 |
90280-03006-00
Key, Woodruff |
1 |