Triumph Bonneville T100 (2017-18) vs Triumph Bonneville T120 Ace (2018) vs Yamaha XS 850G (1980) vs Suzuki RG 500 Gamma (1987)
Comparison technical specifications
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| Make: | Triumph | Triumph | Yamaha | Suzuki |
| Model: | Bonneville T100 | Bonneville T120 Ace | XS 850G | RG 500 Gamma |
| Years: | 2017-18 | 2018 | 1980 | 1987 |
| Engine: | Four stroke, 270° Crank angle parallel twin, SOHC, 8 valves | Four stoke, parallel twin, 270o crank, SOHC 4 valves per cylinder | Four stroke, transverse three cylinder, DOHC, 2 valves per cylinder. | Two stroke, square four cylinder, rotary valve with exhaust port valves |
| Capacity: | 900 cc / 54.9 cu in | 1198 cc / 73.1 cu in | 826 cc / 50.4 cu in | 498 cc / 30.4 cu in |
| Bore x Stroke: | 84.6 x 80 mm | 97.6 x 80 mm | 71.5 x 68.6 mm | 56 x 50.6 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 10.55:1 | 10.0:1 | 9.2:1 | 7.0:1 |
| Induction: | Multipoint sequential electronic fuel injection | Multipoint sequential electronic fuel injection | 3 x 34mm Hitachi carburetors | 4 x 28mm Mikuni VM28SH Flatslide carburetors |
| Ignition: | Digital | Digital | Battery powered triggered | Suzuki PEI |
| Starting: | Electric | Electric | Electric | Kick |
| Max Power: | 40.5 kW / 54 hp @ 5900 rpm | 59 kW / 80 hp @ 6550 rpm | 57.7 kW / 79 hp @ 8500 rpm | 70 kW / 95 hp @ 9000 rpm |
| Transmission: | 5 Speed | 6-Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain, X-ring | Chain, X-ring | Shaft | Chain, 2.500 (40/16) |
| Front Suspension: | 41mm Kayaba cartridge forks | Kayaba 41 mm forks | Air assisted telescopic forks, 175mm wheel travel. | Air adjustable fork with 38mm tubes, adjustable spring preload and anti dive valuing. |
| Front Wheel Travel: | 120 mm / 4.7 in | 120 mm / 4.7 in | 175 mm / 6.9" | 130 mm / 5.2 in |
| Rear Suspension: | Twin sided swingarm, Kayaba spring twin shocks with adjustable preload | Kayaba twin shocks with adjustable preload | Swing arm 4-way adjustable damping, 99 wheel travel | Shock absorber, adjustable for spring preload |
| Rear Wheel Travel: | 120 mm / 4.7 in | 120 mm / 4.7 in | 99 mm / 3.9" | 126 mm / 4.9 in |
| Front Brakes: | Single 310 mm disc, 2 piston floating calipers, Nissin | 2 x 310 mm discs, 2 piston floating Nissin calipers | 2 x 267mm Discs, 1 piston calipers | 2 x 260 mm Discs, 4 piston calipers |
| Rear Brakes: | Single 255 mm disc, 2 piston floating calipers, Nissin | Single 255 mm disc, 2 piston floating Nissin caliper | Single 267mm disc, 1 piston caliper | Single 210 mm disc, 2 piston caliper |
| Front Tyre: | 100/90-R18 | 100/90-18 | 3.25-19 | 110/90 V16 |
| Rear Tyre: | 150/70-R17 | 150/70 R17 | 4.00-18 | 120/90 V17 |
| Fuel Capacity: | 14.5 Litres / 3.8 US gal / 3.2 Imp gal | 14.4 Litres / 3.8 US gal / 3.2 Imp gal | 24 Litres / 6.3 US gal | 22 Litres / 5.8 US gal / 4.8 Imp gal |