NSU Fox (1949-54) vs Vespa GTS 125 Super Sport (2012-) vs Vespa 150 GS (1955-61) vs KTM LC4 690 Rally Replica (2009) vs Vespa Primavera 150 Yacht Club (2018) vs KTM Freeride 350 (2014-15) vs Vespa Primavera 50 50th Anniversary Special Edition (2018-)

Comparison technical specifications

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Make:	NSU	Vespa	Vespa	KTM	Vespa	KTM	Vespa
Model:	Fox	GTS 125 Super Sport	150 GS	LC4 690 Rally Replica	Primavera 150 Yacht Club	Freeride 350	Primavera 50 50th Anniversary Special Edition
Years:	1949-54	2012-	1955-61	2009	2018	2014-15	2018-
Engine:	Single cylinder, OHC	Four stroke, single cylinder, SOHC, 4 valve	Two stroke, single cylinder	Four stroke, single Cylinder. SOHC, 4 Valve	Four stroke, single cylinder, SOHC, 3 valve	Four stroke, single cylinder. DOHC with finger followers, 4 Valve per cylinder,	Four stroke, single cylinder, SOHC, 4 valve, catalytic converter
Capacity:	98 cc / 6 cub in	124 cc / 7.6 cub in	145.5 cc / 8.8 cub in	690 cc / 39.9 cu-in	155 cc / 9.5 cub in.	349 cc / 21.3 cu-in	49 cc / 3 cub in
Bore x Stroke:	50 x 50	57 mm x 48.6 mm	57 x 57 mm	102 x 80 mm	58 x 58.6 mm	88 X 57.5 mm	39 x 41.8 mm mm
Starting:	Kick start	Electric	Kick start	Electric	Electric	Electric	Electric
Max Power:	4.4 kW / 6 hp @ 6500 rpm	11 kW / 14.9 hp @ 9750 rpm	6.0 kW / 8.2 hp @ 7500 rpm	80.2 hp / 59 kW @ 8500 rpm	9.5 kW / 12.7 hp @ 7750 rpm		3.0 kW / 4.1 hp
Transmission:	3 Speed, (since 1950: 4 speed)	CVT with torque server	4 Speed, grip-shift, constant mesh	6 Speed	Auto, twist and go	6 Speed, claw shifted	CVT
Final Drive:	Chain in oil bath	Belt	Direct drive	Chain	Belt	Chain 5/8 x 1/4" X Ring	Belt
Rear Suspension:	Short swingarm with central coil spring, with adjustable friction dampers	Two dual effect shock absorbers with adjustable preload	Swinging bracket for engine and wheel, with variable rate coil spring and co-axial double action hydraulic damper	WP Monoshock with Pro-Lever linkage	Hydraulic monoshock	WP-PDS shock absorber,	Hydraulic monoshock