| MODEL | HONDA CM 400T 1981 |
| Year | 1981 |
| Engine Type | Four stroke, parallel twin, OHC, 3 valves per cylinder |
| Displacement / Capacity | 395 cc / 24.1 cu in |
| Bore X Stroke | 70.5 x 50.6 mm / 2.8 x 2.0 in |
| Compression Ratio | 9.3:1 |
| Cooling System | Air cooled |
| Max Power | — |
| Max Torque | — |
| Ignition | Capacitor discharge electronic |
| Induction | 2 x 32 mm Keihin carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic hydraulic forks |
| Rear Suspension | Swingarm with adjustable hydraulic shocks |
| Front Brakes | Single disc |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 173 kg / 381 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.50-18 |
| Rear Tyre | 4.60-16 |
| FUEL SYSTEM | |
| Fuel Capacity | 9.5 Litres / 2.5 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 1981 CM400T was the last year of the 395 cc CM twin before Honda bored it out to create the CM450. It kept the touring spec of tachometer, cast wheels and front disc, and that year Honda also offered a CM400C Custom variant. Many engine parts are shared with the CB400T of the same period.
