motocross · 250cc 4T · 2027+
Yamaha YZ250F
Partly verifiedStock figures below, each transcribed from a manual or manufacturer spec sheet. Anything still unverified says so.
Last reviewed 2026-09-22| Stock front sprocket | not verified |
|---|---|
| Stock rear sprocket | not verified |
| Chain pitch | not verified |
| Stock chain links | not verified |
| Stock final drive ratio | not verified |
| Front rim | not verified |
|---|---|
| Rear rim | not verified |
| Front tire | 80/100-21 |
| Rear tire | 110/90-19 |
| Fork | KYB Speed-Sensitive System inverted fork, fully adjustable |
|---|---|
| Fork travel | 310 mm (12.2 in) |
| Shock travel | 312 mm (12.3 in) |
| Stock fork spring rate | not verified |
| Stock shock spring rate | not verified |
| Engine oil spec | not verified |
|---|---|
| Engine oil capacity | not verified |
| Coolant capacity | not verified |
| Fuel capacity | 6.1 L (1.61 gal) |
| Seat height | 970 mm (38.2 in) |
|---|---|
| Wheelbase | 1481 mm (58.3 in) |
| Weight | 107 kg (236 lb) |
Gearing tool
The calculator prefills from this bike once its stock sprockets are verified. It works with any numbers in the meantime.
Open the gearing calculatorSources
- wheels.front_tire — Yamaha Motorsports USA, 2027 YZ250F specifications, checked 2026-09-22
- wheels.rear_tire — Yamaha Motorsports USA, 2027 YZ250F specifications, checked 2026-09-22
- suspension.fork_type — Yamaha Motorsports USA, 2027 YZ250F specifications, checked 2026-09-22
- suspension.fork_travel_mm — Yamaha lists 12.2 in front travel; converted to mm, checked 2026-09-22
- suspension.shock_travel_mm — Yamaha lists 12.3 in rear travel; converted to mm, checked 2026-09-22
- fluids.fuel_capacity_l — Yamaha lists 1.6 US gal; converted to litres, checked 2026-09-22
- dimensions.seat_height_mm — Yamaha lists 38.2 in seat height; converted to mm, checked 2026-09-22
- dimensions.wheelbase_mm — Yamaha lists 58.3 in wheelbase; converted to mm, checked 2026-09-22
- dimensions.weight_kg — Yamaha lists 236 lb wet weight; converted to kg, checked 2026-09-22
Always confirm against the manual for your exact year before ordering parts or setting up suspension. Torque specs are deliberately not published here.
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