| YAMAHA YZ450FX | ARCH MOTORCYCLE 1S |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid-cooled DOHC 4-stroke, 4 titanium valves | S&S Cycle T124 45-degree downdraft fuel-injected V-Twin engine |
| Displacement | |
| 449 cm3 | 2032 cm3 |
| Bore X Stroke | |
| 3.8x2.4 in OR 97 mm | - |
| Compression Ratio | |
| 12.5:1 | - |
| Torque | |
| - | 115.3/- lb-ft/RPM OR 156/- Nm/RPM |
| Fuel System | |
| Yamaha Fuel Injection (YFI) Keihin 44mm | EFI |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed constant mesh | 6-speed |
| Clutch | |
| Wet multiplate | Compact dry clutch |
| Final Drive | |
| O-ring chain | Chain |
| chassis specs | |
| Frame | |
|---|---|
| Bilateral Beam Aluminum | Tubular steel frame with CNC-machined aluminum subframe single-sided swingarm |
| Front Suspension | |
| KYB spring-type fork with speed sensitive damping, fully adjustable, 12.2-in wheel travel | Fully adjustable ARCH/Öhlins FGRT series fork |
| Rear Suspension | |
| KYB single shock, full adjustable, 12.5-in wheel travel | Fully adjustable ARCH/Öhlins rear shock with reservoir and hydraulic pre-load adjustment |
| Front Brake | |
| Single hydraulic disc 270mm | Dual ISR 6-piston monobloc radial mount calipers with ISR floating dampened discs |
| Rear Brake | |
| Single hydraulic disc 245mm | Single ISR 4-piston monobloc radial mount caliper with ISR semi-floating disc |
| dimension specs | |
| Overall Length | |
|---|---|
| 85.2 in OR 2164 mm | - |
| Overall Width | |
| 32.5 in OR 826 mm | - |
| Seat Height | |
| 38 in OR 965 mm | 31.5 in OR 800 mm |
| Ground Clearance | |
| 12.8 in OR 325 mm | - |
| Weight | |
| 262 lbs OR 119 kg | 563 lbs OR 255 kg |
| Fuel Capacity | |
| 2 gallons OR 7.6 L | 4.5 gallons OR 17.0 L |
| Wheelbase | |
| 57.7 in OR 1466 mm | 65.4 in OR 1661 mm |
| tyres specs | |
| Front | |
|---|---|
| AT81F 90/90-21 | 120/70-17 Michelin Power RS |
| Rear | |
| AT81 120/90-18 | 240/45-17 Michelin Power RS |
