Matchless Silver Hawk (1931-35) vs Velocette KTP, KTS Mk I and KTS Mk II (1930-31) vs Matchless G2 / G2S / G2CS (1958-62) vs LIFAN Lifan LF 250GY-7 SM (2008) vs Sunbeam Model 9 (1924-27) vs Velocette Viceroy (1960-64)

Comparison technical specifications

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Make:	Matchless	Velocette	Matchless	LIFAN	Sunbeam	Velocette
Model:	Silver Hawk	KTP, KTS Mk I and KTS Mk II	G2 / G2S / G2CS	Lifan LF 250GY-7 SM	Model 9	Viceroy
Years:	1931-35	1930-31	1958-62	2008	1924-27	1960-64
Engine:	V-four cylinder, OHC	Four stroke, single cylinder, OHC	Single cylinder, 4 stroke	Four stroke, single cylinder	Single cylinder, OHV	Two stroke, horizontally opposed twin cylinder
Capacity:	592 cc / 38.1 cub in.	348.4 cc / 21.3 cub in	248.5 cc / 15.2 cub in.	248.9	493 cc / 30.1 cu in	247 cc / 15.1 cub in
Bore x Stroke:	50.8 x 73 mm	74 x 81 mm	69.85 x 64.84 mm	72 x 61.2 mm	80 x 98 mm mm	54 x 54 mm
Cooling System:	Air cooled	Air cooled	Air cooled	Liquid cooled	Air cooled	Air cooled
Compression Ratio:	6.1:1	6.5:1	G2 / G2S: 7.8:1 G2CS: 10.5:1		6.5:1	7.5:1
Starting:	Kick	Kick start	Kick	Electric & kick	Push	Kick start
Transmission:	4-Speed, Sturmey Archer gearbox	KTP: 3 Speed, hand operated KTS: 4 Speed, foot operated	4-Speed	5 Speed	3-Speed, medium ratio	4 Speed constant mesh
Final Drive:	Chain	Chain	Chain	Chain	Chain	Belt
Frame:	Brazed lug tubular construction incorporating cantilever rear suspension	KTP, KTS Mk I: Open frame with load bearing motor to form part of the frame KTS MkII: Single cradle frame	Open, tubular steel frame, closed at the bottom by a pressed-steel channel	Split cradle frame of round tubes in 7020 light alloy	Single front down tube	Single massive tube, panels light alloy castings
Front Suspension:	Matchless centre spring girders, finger adjustment	Webb fork with two friction dampers	Telescopic fork	Telescopic fork	Druid forks	Telescopic fork
Rear Suspension:	Cantilever	Spring loaded seat	Swinging-arm, with shocks and coil springs	Swinging arm	Rigid, spring loaded saddle	Woodhead-Monroe springs with hydraulic damping
Front Brakes:	203 mm / 8 in. drum, interconnected	7 in diameter drum, internal expanding	Drum	Single disc	Drum, internal expanding	6 x 1" drum
Rear Brakes:	203 mm / 8 in. drum, interconnected	7 in diameter drum, internal expanding	Drum	Single disc	Drum, internal expanding	6 x 1" drum
Fuel Capacity:	11.4 L / 3.0 US gal	8.5 L / 2.25 US gal	12.5 L / 3.3 US gal	12 Litres	11.4 L / 2.5 Imp gal / 3.0 US gal	10.2 L / 2.7 US gal