| YAMAHA YZ250F | ARCH MOTORCYCLE 1S |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid-cooled, 5-valve, DOHC, 4-stroke w/titanium valves | S&S Cycle T124 45-degree downdraft fuel-injected V-Twin engine |
| Displacement | |
| 249 cm3 | 2032 cm3 |
| Bore X Stroke | |
| 3.0x2.1 in OR 76 mm | - |
| Compression Ratio | |
| 12.5:1 | - |
| Torque | |
| 21/8500 lb-ft/RPM OR 28/8500 Nm/RPM | 115.3/- lb-ft/RPM OR 156/- Nm/RPM |
| Fuel System | |
| Keihin FCR37, flat-slide w/throttle position sensor | EFI |
| transmission specs | |
| Gearbox | |
|---|---|
| 5 speed, manual | 6-speed |
| Clutch | |
| Wet multi-disc, manual | Compact dry clutch |
| Final Drive | |
| #520 O-ring chain | Chain |
| chassis specs | |
| Frame | |
|---|---|
| Aluminium semi-double-cradle | Tubular steel frame with CNC-machined aluminum subframe single-sided swingarm |
| Front Suspension | |
| Fully adjustable 48mm Kayaba inverted fork | Fully adjustable ARCH/Öhlins FGRT series fork |
| Rear Suspension | |
| Fully adjustable link monocross Kayaba | Fully adjustable ARCH/Öhlins rear shock with reservoir and hydraulic pre-load adjustment |
| Front Brake | |
| 250mm floating disc | Dual ISR 6-piston monobloc radial mount calipers with ISR floating dampened discs |
| Rear Brake | |
| 245mm disc | Single ISR 4-piston monobloc radial mount caliper with ISR semi-floating disc |
| dimension specs | |
| Overall Length | |
|---|---|
| 85.7 in OR 2177 mm | - |
| Overall Width | |
| 32.1 in OR 815 mm | - |
| Seat Height | |
| 38.7 in OR 983 mm | 31.5 in OR 800 mm |
| Weight | |
| 206 lbs OR 93 kg | 563 lbs OR 255 kg |
| Fuel Capacity | |
| 1.8 gallons OR 6.8 L | 4.5 gallons OR 17.0 L |
| Wheelbase | |
| 58.5 in OR 1486 mm | 65.4 in OR 1661 mm |
| tyres specs | |
| Front | |
|---|---|
| 80/100-21 | 120/70-17 Michelin Power RS |
| Rear | |
| 100/90-19 | 240/45-17 Michelin Power RS |
