Triumph Bonneville T100 (2017-18) vs Triumph Bonneville T120 Ace (2018) vs Yamaha XS 850G (1980) vs Suzuki RG 500 Gamma (1987) vs Triumph Bonneville Speedmaster (2019) vs BMW G 310GS (2017) vs Yamaha XJ 600 (1984-87)

Comparison technical specifications

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Make:	Triumph	Triumph	Yamaha	Suzuki	Triumph	BMW	Yamaha
Model:	Bonneville T100	Bonneville T120 Ace	XS 850G	RG 500 Gamma	Bonneville Speedmaster	G 310GS	XJ 600
Years:	2017-18	2018	1980	1987	2019	2017	1984-87
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	Four stoke, parallel twin, 270o crank, SOHC	Four stroke, rRearward-canted single-cylinder, DOHC, 4 valves	Four stroke, transverse four cylinder. DOHC, 2 valves per cylinder.
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	1198 cc / 73.1 cu in	313 cc / 19.1 cu-in	598 cc / 36.5 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	97.6 x 80 mm	80 x 62.1 mm	58.5 x 55.7 mm
Cooling System:	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled
Compression Ratio:	10.55:1	10.0:1	9.2:1	7.0:1	10.0:1	10.6:1	10.0:1
Induction:	Multipoint sequential electronic fuel injection	Multipoint sequential electronic fuel injection	3 x 34mm Hitachi carburetors	4 x 28mm Mikuni VM28SH Flatslide carburetors	Multipoint sequential electronic fuel injection	Electronic fuel injection, BMS-E2	4x Mikuni BS32 carburetors
Ignition:	Digital	Digital	Battery powered triggered	Suzuki PEI	Digital	Electronic	CDI
Starting:	Electric	Electric	Electric	Kick	Electric	Electric	Electric
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	57.4 kW / 77 hp @ 6550 rpm	25 kW / 34 hp @ at 9500	72 hp / 52.5 kW @ 10000 rpm
Transmission:	5 Speed	6-Speed	5 Speed	6 Speed	6-Speed	Synchromesh 6-speed transmission, integrated in the motor housing	6 Speed
Final Drive:	Chain, X-ring	Chain, X-ring	Shaft	Chain, 2.500 (40/16)	Chain, X-ring	Chain	Chain
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.	41 mm Kayaba fork	41mm Upside-down fork	Telescopic forks
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	Kayaba twin shocks with adjustable preload	Solid die-cast aluminum swingarm, directly hinged monoshock, adjustable preload	Monocross rising rate with 5-way preload.
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	2 x 310 mm Disc, 2 piston calipers, ABS	Single 300mm disc, 4-piston fixed caliper, radially bolted	2x 267mm discs 2 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	Single 255 mm disc, 2 piston caliper, ABS	Single 240mm disc, single-piston floating caliper	Single 267mm disc 1 piston caliper
Front Tyre:	100/90-R18	100/90-18	3.25-19	110/90 V16	130/90-16	110/80 - R19	90/90 V18
Rear Tyre:	150/70-R17	150/70 R17	4.00-18	120/90 V17	150/80-16	150/70 - R17	110/90 V18
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	12 Litres / 3.17 US gal	11 Litres / 2.9 US gal	20 Litres / 5.3 US gal