Honda MSX 125 Grom (2025) vs Honda Forza 750 (2025) vs BMW R 12 S (2025) vs BMW R 12G/S (2025)
Comparison technical specifications
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| Make: | Honda | Honda | BMW | BMW |
| Model: | MSX 125 Grom | Forza 750 | R 12 S | R 12G/S |
| Years: | 2025 | 2025 | 2025 | 2025 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, parallel twin cylinder, SOHC, 4 valve per cylinder | Four stroke, two cylinder horizontally opposed Boxer, two camshafts and four radially aligned valves per cylinder, central counter balancer shaft. | Four stroke, two cylinder horizontally opposed Boxer, with four camshaft-operated valves and two overhead camshafts per cylinder. |
| Capacity: | 124.9 cc / 7.62 cu-in | 745 cc / 45.4 cu-in | 1170 cc / 71.4 cub in | 1170 cc / 71.4 cub in |
| Bore x Stroke: | 50.0 x 63.1 mm | 77 x 80mm | 101 x 73 mm | 101 x 73 mm |
| Compression Ratio: | 10.0:1 | 10.7:1 | 12:1 | 12:1 |
| Cooling System: | Air cooled | Liquid cooled | Air/oil cooled | Air/oil cooled |
| Induction: | Injection PGM-FI | PGM-FI electronic fuel injection | Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire | Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 9.6 hp / 7.2 kW @ 7250 rpm | 43.1kW / 57.7 hp @ 6750rpm | 81 kW / 109 hp @ 7000 rpm | 81 kW / 109 hp @ 7000 rpm |
| Max Torque: | 10.5 Nm / 7.7 lb-ft @ 5500 rpm | 69Nm / 50.8 lb-ft @ 4750rpm | 115 Nm / 81 lb-ft @ 6500 rpm | 115 Nm / 81 lb-ft @ 6500 rpm |
| Clutch: | Wet multiplate | Wet multiplate hydraulic dual clutch | Single dry plate clutch, hydraulically operated | Single dry plate clutch, hydraulically operated |
| Transmission: | 5 Speed | 6 Speed dual clutch transmission | 6-speed, claw-shifted transmission with separate transmission housing | 6-Speed, claw-shifted transmission with separate transmission housing |
| Final Drive: | Chain | Chain | Shaft | Universal shaft |
| Frame: | Steel mono-backbone frame | Diamond, steel pipe | Four-part frame concept with front frame and three-part rear frame, load-bearing engine-gearbox unit, rear-seat frame removeable for one-up riding | Four-part frame concept with front frame and three-part rear frame, load-bearing engine-gearbox unit, rear-seat frame removeable for one-up riding |
| Front Suspension: | 31mm USD forks | 41mm USD forks | Upside-down 45 mm forks, compression, rebound and spring preload adjustable; | 45 mm USD telescopic forks, spring base, rebound and compression damping adjustable |
| Rear Suspension: | Mono shock, steel square pipe swingarm | Monoshock damper, Pro-Link swingarm | Cast aluminium single swinging arm with BMW Motorrad Paralever; central spring strut, spring preload fully adjustable by hook wrench, adjustable rebound-stage damping | Aluminum Paralever swinging arm, directly linked WAD spring strut, spring base, rebound and compression damping adjustable |
| Front Brakes: | Single 220mm disc with hydraulic dual-piston brake caliper | 2x 310mm hydraulic discs with radial 4-piston caliper | Twin disc brake, floating brake discs, diameter 310 mm, 4-piston Monobloc radial brake caliper | 2 x 310mm disc brake, with two axially bolted 2-piston floating calipers |
| Rear Brakes: | Single 190mm disc with hydraulic single-piston brake caliper | Single 240mm hydraulic disc with 1-piston caliper | Single 265 mm disc, 2 piston floating caliper | Single 265 mm disc, 2 piston floating caliper |
| Wheels: | 5 Spoke Aluminium Cast | Cast aluminium multi-spoked wheels | Aluminium cast wheels | Aluminium cross-spoke wheels |
| Front Rim: | MT 2.5-12 | 17M/C x MT3.50 | 3.50 x 17 | 2.15 x 21 |
| Rear Rim: | MT 2.5-12 | 15M/C x MT4.50 | 5.50 x 17 | 4.0 x 17 (4.0 x 18 Enduro Package) |
| Front Tyre: | 120/70-12 | 120/70-R17M/C (58H) | 120/70 - ZR17 | 90/90/21 |
| Rear Tyre: | 130/70-12 | 160/60-R15M/C (67H) | 180/55 - ZR17 | 150/70 - R17 (150/70 - R18 Enduro Package) |
| Trail: | 81 mm / 3.2 in | 104 mm / 4.3 in | 112 mm / 4.4 in | 120.8 mm / 4.76 in (121.3 / 4.76 Enduro Package) |
| Dimensions: | Length 1760 mm / 69.2 in Width 720 mm / 28.3 in Height 1015 mm / 39.9 in | Length 2200 mm / 86.6 in Width 790 mm / 31.1 in Height 1480 mm / 58.2 in | Length 2131 mm / 83.9 in Width 871 mm / 34.3 in | Length 2200 mm / 86.6 in Width 830 mm / 32.7 in |
| Wheelbase: | 1200 mm / 47.2 in | 1580 mm / 62.2 in | 1511 mm / 59.5 in | 1580 mm / 62.2 in (1585 / 62.4 in Enduro Package) |
| Seat Height: | 761 mm / 29.9 in | 790 mm / 31.1 in | 795 mm / 31.3 in | 860 mm / 33.9 in (875 mm / 34.4 in Enduro Package) |
| Wet Weight: | 103 kg / 227 lbs | 235 kg / 518 lbs | 220 kg / 485 lbs | 229 kg / 505 lbs |
| Fuel Capacity: | 6 Litres / 1.58 US gal | 13.2 Litres / 3.48 US gal | 15.9 Litres / 4.2 US gal | 15.5 Litres / 4.1 US gal |