Honda MSX 125 Grom (2021) vs Aprilia SX 125 (2008-) vs Matchless G 80CS (1951-)
Comparison technical specifications
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| Make: | Honda | Aprilia | Matchless |
| Model: | MSX 125 Grom | SX 125 | G 80CS |
| Years: | 2021 | 2008- | 1951- |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve | Two stroke, single cylinder Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard. | Four stroke, single cylinder, pushrod |
| Capacity: | 124.9 cc / 7.62 cu-in | 125 cc / 7.6 cu-in | 498 cc / 30.3 cub in. |
| Bore x Stroke: | 50.0 x 63.1 mm | 54 x 54.5 mm | 82.5 x 93 mm |
| Compression Ratio: | 10.0:1 | 12.5:1 | 1946 onwards: 5.9:1 From 1956: 7.3:1 |
| Cooling System: | Air cooled | Liquid cooled | Air cooled |
| Starting: | Electric | Kick | Kick |
| Max Power: | 9.6 hp / 7.2 kW @ 7250 rpm | 16.4 kW / 22 hp | 21 kW / 28 hp @ 5600 rpm |
| Transmission: | 5 Speed | 6 Speed | 4-Speed |
| Final Drive: | Chain | Chain | Chain |
| Frame: | Steel mono-backbone frame | High strength steel frame with double trellis beam and double cradle. Separate seat frame. | Duplex frame |
| Front Suspension: | 31mm USD forks | Upside down telescopic fork, Ø40 mm | Girder fork |
| Rear Suspension: | Mono shock, steel square pipe swingarm | Steel swingarm. Hydraulic monoshock with piggy back cylinder | Swingarm, springloaded |
| Front Brakes: | Single 220mm disc with hydraulic dual-piston brake caliper | Single Ø260 mm disc, sliding 2 piston caliper, Brembo | Drum |
| Rear Brakes: | Single 190mm disc with hydraulic single-piston brake caliper | Single Ø220 mm disc, sliding 1 piston caliper | Drum |