| YAMAHA YFZ-450R | ARCH MOTORCYCLE 1S |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid-cooled DOHC 4-stroke, 5 titanium valves | S&S Cycle T124 45-degree downdraft fuel-injected V-Twin engine |
| Displacement | |
| 449 cm3 | 2032 cm3 |
| Bore X Stroke | |
| 3.7x2.5 in OR 94 mm | - |
| Compression Ratio | |
| 11.8:1 | - |
| Torque | |
| - | 115.3/- lb-ft/RPM OR 156/- Nm/RPM |
| Fuel System | |
| Yamaha Fuel Injection (YFI), 42mm | EFI |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | 6-speed |
| Clutch | |
| Slipper clutch | Compact dry clutch |
| Final Drive | |
| O-ring chain, 2WD | Chain |
| chassis specs | |
| Frame | |
|---|---|
| Aluminium / Steel | Tubular steel frame with CNC-machined aluminum subframe single-sided swingarm |
| Front Suspension | |
| Independent double wishbone w/Kashima coated piggyback shocks high/low speed compression, rebound and threaded preload adjustment, 9.8-in travel | Fully adjustable ARCH/Öhlins FGRT series fork |
| Rear Suspension | |
| Cast aluminum swingarm w/piggyback shocks high/low speed compression, rebound and threaded preload adjustment, 11.0-in travel | Fully adjustable ARCH/Öhlins rear shock with reservoir and hydraulic pre-load adjustment |
| Front Brake | |
| Dual hydraulic disc | Dual ISR 6-piston monobloc radial mount calipers with ISR floating dampened discs |
| Rear Brake | |
| Wave-style hydraulic disc | Single ISR 4-piston monobloc radial mount caliper with ISR semi-floating disc |
| dimension specs | |
| Overall Length | |
|---|---|
| 70.7 in OR 1796 mm | - |
| Overall Width | |
| 48.8 in OR 1240 mm | - |
| Seat Height | |
| 31.9 in OR 810 mm | 31.5 in OR 800 mm |
| Ground Clearance | |
| 9.3 in OR 236 mm | - |
| Weight | |
| 406 lbs OR 184 kg | 563 lbs OR 255 kg |
| Fuel Capacity | |
| 2.6 gallons OR 9.8 L | 4.5 gallons OR 17.0 L |
| Wheelbase | |
| 50 in OR 1270 mm | 65.4 in OR 1661 mm |
| tyres specs | |
| Front | |
|---|---|
| AT21 x 7-10 Maxxis | 120/70-17 Michelin Power RS |
| Rear | |
| AT20 x 10-9 Maxxis | 240/45-17 Michelin Power RS |
