Transmission replacement parts for 2025 Yamaha YZ125 Monster

OEM Parts Yamaha 2025 Yamaha YZ125 Monster Transmission

TRANSMISSION Full screen diagram

Please note: If a part is displayed on the diagram but not shown in the parts list, it is no longer available.

Location	Part Description

1	BEARING (3XV) Part #: 93306-00442-00 Required per assembly: 1 ~~$45.99~~ $34.55 - + Add to cart
2	PLATE, BEARING, COVER Part #: 4JT-15381-01-00 Required per assembly: 1 ~~$14.49~~ $10.34 - + Add to cart
3	SCREW, COUNTERSUNK Part #: 90151-06052-00 Required per assembly: 1 ~~$9.49~~ $6.27 - + Add to cart
4	AXLE, MAIN, (13T) Part #: B4X-17411-00-00 Required per assembly: 1 ~~$177.99~~ $153.69 - + Add to cart
5	GEAR, 6TH, PINION, (18T) Part #: B4X-17161-00-00 Required per assembly: 1 ~~$96.98~~ $82.25 - + Add to cart
6	WASHER Part #: 90209-20008-00 Required per assembly: 2 ~~$12.49~~ $8.42 - + Add to cart
7	CIRCLIP, S-TYPE Part #: 93410-22039-00 Required per assembly: 2 Note: Sold in multiples of 5 only ~~$9.49~~ $6.05 - + Add to cart
8	GEAR, 3RD, PINION, (17T/17T) Part #: B4X-17131-00-00 Required per assembly: 1 ~~$274.99~~ $206.01 - + Add to cart
9	GEAR, 5TH, PINION, (17T) Part #: B4X-17151-00-00 Required per assembly: 1 ~~$93.98~~ $80.57 - + Add to cart
10	GEAR, 2ND, PINION, (15T) Part #: B4X-17121-00-00 Required per assembly: 1 ~~$93.98~~ $80.08 - + Add to cart
11	COLLAR Part #: 90387-20006-00 Required per assembly: 1 Note: (5PH1) ~~$34.99~~ $25.27 - + Add to cart
12	BEARING Part #: 93306-20351-00 Required per assembly: 1 ~~$42.99~~ $37.80 - + Add to cart
13	BEARING Part #: 93306-00326-00 Required per assembly: 1 ~~$43.99~~ $31.72 - + Add to cart
14	AXLE, DRIVE Part #: B4X-17421-00-00 Required per assembly: 1 ~~$203.99~~ $151.23 - + Add to cart
15	GEAR, 1ST, WHEEL, (31T) Part #: 1C3-17211-10-00 Required per assembly: 1 ~~$120.98~~ $100.59 - + Add to cart
16	GEAR, 6TH, WHEEL, (19T) Part #: B4X-17261-00-00 Required per assembly: 1 ~~$212.99~~ $158.65 - + Add to cart
17	CIRCLIP, S-TYPE Part #: 93410-22039-00 Required per assembly: 1 Note: Sold in multiples of 5 only ~~$9.49~~ $6.05 - + Add to cart
18	WASHER Part #: 90209-20008-00 Required per assembly: 1 ~~$12.49~~ $8.42 - + Add to cart
19	GEAR, 4TH, WHEEL, (23T) Part #: B4X-17241-00-00 Required per assembly: 1 ~~$167.99~~ $125.34 - + Add to cart
20	GEAR, 3RD, WHEEL, (27T) Part #: B4X-17231-00-00 Required per assembly: 1 ~~$170.99~~ $148.19 - + Add to cart
21	GEAR, 5TH, WHEEL, (20T) Part #: B4X-17251-00-00 Required per assembly: 1 ~~$208.99~~ $156.16 - + Add to cart
22	CIRCLIP, S-TYPE Part #: 93410-26067-00 Required per assembly: 1 ~~$9.49~~ $7.29 - + Add to cart
23	WASHER Part #: 90209-23012-00 Required per assembly: 1 ~~$6.49~~ $4.94 - + Add to cart
24	GEAR, 2ND, WHEEL, (29T) Part #: B4X-17221-00-00 Required per assembly: 1 ~~$153.99~~ $132.22 - + Add to cart
25	BEARING (30X) Part #: 93306-20447-00 Required per assembly: 1 ~~$45.99~~ $34.31 - + Add to cart
26	PLATE, BEARING, COVER Part #: 4JT-15381-01-00 Required per assembly: 2 ~~$14.49~~ $10.34 - + Add to cart
27	SCREW, COUNTERSUNK Part #: 90151-06052-00 Required per assembly: 2 ~~$9.49~~ $6.27 - + Add to cart
28	OIL SEAL Part #: 93102-28012-00 Required per assembly: 1 ~~$18.48~~ $14.41 - + Add to cart
29	COLLAR Part #: 90387-22004-00 Required per assembly: 1 ~~$42.99~~ $32.64 - + Add to cart