| MODEL | CLEVELAND ACE 400 2021 |
| Year | 2021 |
| Engine Type | Single cylinder, four-stroke, SOHC |
| Displacement / Capacity | 397 cc / 24.22 cu in |
| Bore X Stroke | 85.0 x 70.0 mm / 3.3 x 2.8 in |
| Compression Ratio | 8.8:1 |
| Cooling System | Oil & air |
| Max Power | 30.7 kW / 42.0 hp @ 9200 rpm |
| Max Torque | 34.0 Nm / 25.1 ft-lbs @ 7650 rpm |
| Ignition | CDI |
| Induction | Fuel injection (Delphi) |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | Wet, multi-disc |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Tubular backbone, double cradle |
| Front Suspension | Inverted forks |
| Rear Suspension | Twin coil over oil damped shocks |
| Front Brakes | Double disc, 300 mm / 11.8 in, 4-piston radial caliper, ABS |
| Rear Brakes | Single disc, 220 mm / 8.7 in, ABS |
| DIMENSION SPECS | |
| Overall Length | 2050 mm / 80.7 in |
| Overall Width | 795 mm / 31.3 in |
| Overall Height | — |
| Seat Height | 790 mm / 31.1 in |
| Wheelbase | 1410 mm / 55.5 in |
| Ground Clearance | — |
| Dry Weight | 150 kg / 330.7 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-18 |
| Rear Tyre | 120/80-16 |
| FUEL SYSTEM | |
| Fuel Capacity | 15 Litres / 3.96 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2021 Ace 400 is the larger-engined model of the retro Ace family, using a fuel-injected 397 cc single with a five-speed box and ABS disc brakes at both ends. It targets riders wanting more performance than the 250.
