4DP 4TW Yamaha TZ250 gearbox spares gears

1991-1999 (3YL 4DP 4TW) Yamaha TZ250 gearbox spares / gears. We have new and used available, with prices for a simple, used plain gear starting at £65, rising for more complex gears to £80-125, shafts £150 and those that are new TBC. Before you order, please email with your requirements, so we can give you an accurate price. Email: info@geckomotorcycles.co.uk

Stock as at 17th September 2025 is as follows: 

1st: 28T new 4 used 2, 31T*new 0 used 2, 34T new 2 used 6

Axle main: 14T new 2 used 2, 17T*new 0 used 2, 18T new 2 used 4

Axle drive: new 0 used 1

2nd: 18T new 0 used 0, 19T new 7 used 4, 21T new 0 used 3, 27T new 6 used 5, 28T new 0 used 0, 31T new 1 used 3

3rd: 20T new 1 used 0, 25T new 3 used 5, 24T new 1 used 0, 26T new 0 used 1, 29T new 0 used 1

3rd/4th: 18/25 new 1 used 0, 21/23 new 0 used 1, 21/25 new 0 used 2, 23/25 new 0 used 1

4th: 27T new 0 used 2

5th: 20T*new 0 used 1, 22T new 0 used 2, 26T new 0 used 0, 27T new 0 used 1

6th: 20T new 0 used 2, 22T new 0 used 2, 27T new 0 used 1

Key: * = OWG4 kit ratio