Vespa 125 GTR (1968-78) vs Vespa Primavera 150 (2018-) vs Suzuki XF 650 Freewind (1997-99) vs NSU 301 T (1929-30) vs Suzuki Boulevard C90 B.O.S.S (2017-18) vs KTM RC 390 (2014-15) vs Yamaha DT 125X (2005-07) vs Gilera RX 250 Amizonas (1985)

Comparison technical specifications

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Make:	Vespa	Vespa	Suzuki	NSU	Suzuki	KTM	Yamaha	Gilera
Model:	125 GTR	Primavera 150	XF 650 Freewind	301 T	Boulevard C90 B.O.S.S	RC 390	DT 125X	RX 250 Amizonas
Years:	1968-78	2018-	1997-99	1929-30	2017-18	2014-15	2005-07	1985
Engine:	Two stroke, ingle cylinder	Four stroke, single cylinder, SOHC, 3 valve	Four stroke, single cylinder, SOHC, 4 valves	Single cylinder, 4 stroke	Four stroke, 54° V-twin, SOHC, 3 valves per cylinder	Four stroke, single cylinder. DOHC with finger followers, 4 Valve per cylinder	Two stroke, single cylinder, reed-valve	Two stroke, single cylinder, reed valve
Capacity:	123.4 cc / 7.5 cub in	155 cc / 9.5 cub in.	644 cc / 39.3 cu in	298 cc / 18.2 cub in	1462 cc / 89.2 cu-in	373 cc / 22.7 cu-in	123 cc / 7.5 cu-in	248.9 cc / 15.2 cu-in
Ignition:	Contact breaker & coil	Electronic	CDI	Magneto	Digital transistorized	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment	CDI	Electronic
Max Power:	4.6 kW / 6.3 hp @ 5000 rpm	9.5 kW / 12.7 hp @ 7750 rpm	35 kW / 48 hp @ 7000 rpm	5.1 kW / 7 hp @ 4000 rpm	49.2 kW / 66 hp @ 4800 rpm	32 kW / 43 hp @ 9500 rpm	14.7 hp / 10.8 kW @ 7000 rpm	38 hp / 28.3 kW @ 7500 rpm
Transmission:	4 Speed, grip-shift, constant mesh	Auto, twist and go	5 Speed	3 Speed	5 Speed	5 Speed	6 speed	6 Speed
Final Drive:	Direct drive	Belt	Chain	Chain in oil bath	Shaft	Chain 5/8 x 1/4” X‑Ring	Chain	Chain