| MODEL | MATCHLESS G3 CSR 350 1964 |
| Year | 1964 |
| Engine Type | Single cylinder, four-stroke |
| Displacement / Capacity | 347 cc / 21.17 cu in |
| Bore X Stroke | 74 x 81 mm / 2.9 x 3.2 in |
| Compression Ratio | 8.5:1 |
| Cooling System | Air |
| Max Power | — |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump |
| Gear Box | — |
| Clutch | Wet multiplate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Single cradle |
| Front Suspension | Telescopic fork |
| Rear Suspension | Swinging arm, two shocks, coil springs |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 170 kg / 374.8 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.25-19 |
| Rear Tyre | 3.50-19 |
| FUEL SYSTEM | |
| Fuel Capacity | 19.3 Litres / 5.10 US gal |
| Fuel Consumption | — |
| Top Speed | 129 km/h / 80.2 mph |
The G3 CSR was a sporty version of the 350 single with a shorter-stroke engine and a swinging-arm frame with twin rear shocks. It kept the dry-sump, air-cooled layout and drum brakes. It is listed in black and red.
