MV Agusta 125 GTL 5 Velocità (1966-68) vs Suzuki RG 250 (1980-82) vs Buell / EBR Buell XB12R Firebolt (2004) vs Yamaha RD 500LC / RZV500 / RZ 500 (1985)
Comparison technical specifications
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| Make: | MV Agusta | Suzuki | Buell / EBR | Yamaha |
| Model: | 125 GTL 5 Velocità | RG 250 | Buell XB12R Firebolt | RD 500LC / RZV500 / RZ 500 |
| Years: | 1966-68 | 1980-82 | 2004 | 1985 |
| Engine: | Four stroke, single cylinder, pushrod, 2 valve | Horizontal parallel twin, 2-stroke, piston reed valve | 45° V-Twin, four stroke, pushrod actuated overhead valve. hydraulic self-adjusting lifters, 2 valve per cylinder. | Two stroke, 50°-V4 cylinder, reed valve, YPVS |
| Capacity: | 123 cc / 7.5 cu-in | 247 cc / 15.1 cu in | 1203 cc / 73 cu in | 499 cc / 30.3 cu-in |
| Bore x Stroke: | 53 x 56 mm | 54 x 54 mm | 88.9 x 96.8 mm | 56.4 x 50 mm |
| Compression Ratio: | 10.0:1 | 6.7:1 | 10.0:1 | 6.6 :1 |
| Starting: | Kick | Kick | Electric | Kick |
| Max Power: | 6.7 kW / 9 hp @ 6000 rpm | 22.4 kW / 30 hp @ 8.000 rpm | 86.9 kW / 103 hp @ 6800 rpm | 88 hp / 63.9 kW @ 9500 rpm |
| Transmission: | 5 Speed | 6 Speed, constant mesh | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Belt | Chain |
| Front Suspension: | Telescopic forks. | Telescopic fork | Showa inverted forks compression damping, rebound damping and spring preload adjustable | 37mm Air assisted telescopic forks, 4-way spring preload adjustable and anti-dive variable. |
| Rear Suspension: | Swing arm with dual dampers. | Dual shocks, coil springs | Showa coil-over monoshock, remote underseat reservoir and adjustable compression damping, rebound damping and spring preload, 127mm wheel travel | Monoshock, spring preload and rebound damping, |
| Front Brakes: | 152mm Drum | Single disc | ZTL type brake, 6 piston, fixed caliper, Ø375 mm single-sided, inside out, stainless steel, floating rotor | 2x 267mm discs 2 piston calipers |
| Rear Brakes: | 122mm Drum | Drum | Single Ø240 mm disc, 1 piston floating caliper | Single 245mm disc 2 piston calliper |
| Front Tyre: | 2 75- 18 | 3.00-18 | 120/70 ZR17 | 120/80 V16 + |
| Rear Tyre: | 2.75- 18 | 3.25-18 | 180/55 ZR17 | 130/80 V18 |
| Dimensions: | Length 1920 mm / 75.5 in Width 620 mm / 24.4 in | Length: 2005 mm / 78.9 in Width: 760 mm / 29.9 in Height: 1055 mm / 41.5 in | Length: 1924 mm / 75.7" Width: 768 mm / 30.2" Height: 1092 mm / 43.0" | Length 2085 mm / 82.1 in Width 705 mm /27.7 in Height 1145 mm /45.0 in |
| Wheelbase: | 1280 mm / 50.3 in | 1320 mm / 52.0 in | 1320 mm / 52.0" | 1375 mm / 54.1 in |
| Dry Weight: | 108 kg / 238 lbs | 126 kg / 278 lbs | 179 kg / 395 lbs | 180 kg / 437.8 lbs |
| Fuel Capacity: | 15 Litres / 3.9 US gal | 15 L / 4.0 US gal / 3.3 Imp gal | 14 L / 3.7 US gal | 22 Litres / 5.8 gal |