| YAMAHA IT 425 | ARCH MOTORCYCLE 1S |
|---|
| engine specs | |
| Type | |
|---|---|
| Two stroke, single cylinder, read valve, air cooled | S&S Cycle T124 45-degree downdraft fuel-injected V-Twin engine |
| Displacement | |
| 425 cm3 | 2032 cm3 |
| Bore X Stroke | |
| 3.3x3.0 in OR 84 mm | - |
| Compression Ratio | |
| 7.3:1 | - |
| Horsepower | |
| 36.9/6000 KW(hp)/RPM | - |
| Torque | |
| 31/5500 lb-ft/RPM OR 42/5500 Nm/RPM | 115.3/- lb-ft/RPM OR 156/- Nm/RPM |
| Fuel System | |
| 38mm VM38SS Mikuni carburetor | EFI |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | 6-speed |
| Clutch | |
| Wet multi-discs | Compact dry clutch |
| Final Drive | |
| Chain | Chain |
| chassis specs | |
| Frame | |
|---|---|
| - | Tubular steel frame with CNC-machined aluminum subframe single-sided swingarm |
| Front Suspension | |
| 43mm Telescopic adjustable forks, 300mm wheel trave | Fully adjustable ARCH/Öhlins FGRT series fork |
| Rear Suspension | |
| Mono shock, adjustable spring preload and rebound damping, 300mm wheel travel | Fully adjustable ARCH/Öhlins rear shock with reservoir and hydraulic pre-load adjustment |
| Front Brake | |
| Drum | Dual ISR 6-piston monobloc radial mount calipers with ISR floating dampened discs |
| Rear Brake | |
| Drum | Single ISR 4-piston monobloc radial mount caliper with ISR semi-floating disc |
| dimension specs | |
| Seat Height | |
|---|---|
| - | 31.5 in OR 800 mm |
| Ground Clearance | |
| 11.2 in OR 284 mm | - |
| Weight | |
| 269 lbs OR 122 kg | 563 lbs OR 255 kg |
| Fuel Capacity | |
| 3.6 gallons OR 13.6 L | 4.5 gallons OR 17.0 L |
| Wheelbase | |
| 56.3 in OR 1430 mm | 65.4 in OR 1661 mm |
| tyres specs | |
| Front | |
|---|---|
| 3.00 -21 | 120/70-17 Michelin Power RS |
| Rear | |
| 150/80 -18 | 240/45-17 Michelin Power RS |
