Aprilia ETX 350 (1987-88) vs Honda XL 250 (1976-77) vs Hartford HD 125S () vs Triumph Bonneville T120 (2021)

Comparison technical specifications

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Make:	Aprilia	Honda	Hartford	Triumph
Model:	ETX 350	XL 250	HD 125S	Bonneville T120
Years:	1987-88	1976-77		2021
Engine:	Four stroke, single cylinder, 4 valves, OHC	Four stroke, single cylinder, OHC	Four stroke, single cylinder, 2 valves per cylinder	Four stoke, parallel twin, 270° crank, SOHC 4 valves per cylinder
Capacity:	349.2 cc / 21.3 cu in	248 cc / 15.1 cu-in	124 cc / 7.57 cu in	1198 cc / 73.1 cu in
Bore x Stroke:	79.5 x 70.4 mm	74 X 57.8 mm	56.5 x 49.5 mm	97.6 x 80 mm
Compression Ratio:	9.6:1	9.1:1	9.0:1	10.0:1
Cooling System:	Air cooled	Air cooled	Air cooled	Liquid cooled
Starting:	Electric	Kick	Electronic	Electric
Max Power:	19.4 kW / 26 hp @ 7500 rpm	23.4 hp 17.5 KW @ 8000 rpm	9.5 hp / 7.1 kW @ 8200 rpm	58.8 kW / 78.9 hp @ 6550 rpm
Max Torque:	28.4 Nm / 2.9 kgf-m / 20.9 lb-ft @ 6000 rpm	NA	9.31 Nm / 6.9 ft. lbs @ 7500 rpm	105 Nm / 77.4 lb-ft @ 3500 rpm
Transmission:	5 Speed	5 Speed	5 Speed	6-Speed
Final Drive:	Chain	Chain	Chain	Chain, X-ring
Front Suspension:	Hydraulic telescopic front fork	Telescopic forks	Telescopic forks	Kayaba 41 mm cartridge forks
Rear Suspension:	Swingarm with single shock absorber.	Swinging fork	Dual shocks	Twin RSUs, with pre-load adjustment
Front Brakes:	Single disc	150 mm Drum	Single disc with 1 piston caliper	2 x 310 mm 310mm discs, Brembo 2 piston floating caliper
Rear Brakes:	Single disc	140 mm Drum	Drum	Single 255mm disc, Nissin 2 piston floating caliper
Front Tyre:	90/90-21	2.75 -21	2.75-18	100/90-18
Rear Tyre:	130/80-17	4.00 -18	3.50-16	150/70 R17
Fuel Capacity:	13 Litres / 3.4 US gal	9.5 Litres / 1.7 US gal	10.3 Litres / 2.7 US gal	14.5 Litres / 3.8 US gal