Matchless G2 / G2S / G2CS (1958-62) vs Matchless G11 (1955)
Comparison technical specifications
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| Make: | Matchless | Matchless |
| Model: | G2 / G2S / G2CS | G11 |
| Years: | 1958-62 | 1955 |
| Engine: | Single cylinder, 4 stroke | Parallel twin cylinder |
| Capacity: | 248.5 cc / 15.2 cub in. | 593 cc / 36.2 cub in. |
| Bore x Stroke: | 69.85 x 64.84 mm | 72 x 72.8 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | G2 / G2S: 7.8:1 G2CS: 10.5:1 | 7.5:1 |
| Fuel System: | G2 / G2S: Amal monobloc 376/5 carburetor G2CS: Amal monobloc 376/276 carburetor | Amal 376/78 |
| Lubrication: | Dry sump, external tank | Dry sump |
| Engine Oil: | Hot: SAE 50 Cold: SAE 30 Extreme cold: SAE 20 | Hot: SAE 50 Cold: SAE 30 Extremely Cold: SAE 20 |
| Oil Capacity: | 1.4 L / 3 US pints | 2.5 L / 5.3 US pints |
| Exhaust: | Single | Twin, chrome |
| Starting: | Kick | Kick |
| Transmission: | 4-Speed | 4-Speed |
| Final Drive: | Chain | Chain |
| Frame: | Open, tubular steel frame, closed at the bottom by a pressed-steel channel | Single top and down pipe, double cradle |
| Front Suspension: | Telescopic fork | Teledraulic |
| Rear Suspension: | Swinging-arm, with shocks and coil springs | Swingarm, twin shocks and coil springs, oil damped |
| Front Brakes: | Drum | Drum |
| Rear Brakes: | Drum | Drum |
| Wheels: | Steel, wire spokes | Steel, wire spokes |
| Front Tyre: | 3.25 x 17 in. | 3.25 x 19 in. |
| Rear Tyre: | 3.25 x 17 in. | 3.50 x 19 in. |
| Wheelbase: | 1345 mm / 53 in. | 1403 mm / 55.25 in. |
| Dry Weight: | 148 kg / 325 lbs | 181 kg / 400 lbs |
| Fuel Capacity: | 12.5 L / 3.3 US gal | 17 L / 4.5 US gal |