Matchless G9 (1948-58) technical specifications
Matchless G9 is produced in 1948-58. Engine is Parallel twin cylinder, displacement 498 cc / 30.4 cub in. Matchless G9 top speed is 137 km/h / 85 mph. Matchless G9 weighs 181 kg / 400 lbs. Matchless G9 has 3 photos.
Technical specifications
+ Add to 'Compare list'| Model: | G9 |
| Years: | 1948-58 |
| Engine: | Parallel twin cylinder |
| Capacity: | 498 cc / 30.4 cub in. |
| Bore x Stroke: | 66 x 72.8 mm |
| Cooling System: | Air cooled |
| Compression Ratio: | 7.7:1 |
| Lubrication: | Dry sump |
| Engine Oil: | Hot: SAE 50 Cold: SAE 30 Extremely Cold: SAE 20 |
| Oil Capacity: | 2.5 L / 5.3 US pints |
| Exhaust: | Twin, chrome, megaphone silencers |
| Fuel System: | Amal 376/6 |
| Ignition: | Magneto, Lucas K2F |
| Starting: | Kick |
| Battery: | Lucas, 6V 12 Ah |
| Spark Plug: | KLG FE80, 14mm thread |
| Maximum Power: | 24.3 kW / 33 hp @ 6800 rpm |
| Transmission: | 4-Speed |
| Final Drive: | Chain |
| Gear Ratios: | 1st 2.67 / 2nd 1.77 / 3rd 1.35 / 4th 1.0:1 |
| Frame: | Single top and down pipe, double cradle |
| Wheelbase: | 1403 mm / 55.25 in. |
| Front Suspension: | Teledraulic |
| Rear Suspension: | Swingarm, twin shocks and coil springs, oil dampers |
| Front Brakes: | Drum |
| Rear Brakes: | Drum |
| Wheels: | Steel, wire spokes |
| Front Tyre: | 3.25 x 19 in. |
| Rear Tyre: | 3.50 x 19 in. |
| Dry Weight: | 181 kg / 400 lbs |
| Fuel Capacity: | 17 L / 4.5 US gal |
| Top Speed: | 137 km/h / 85 mph |
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