Yamaha XT660R (2010) vs Gilera RC 600R (1992-) vs Gilera 300 Extra (1964-69) vs Gilera MX-1 125 Record (1989)

Comparison technical specifications

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Make:	Yamaha	Gilera	Gilera	Gilera
Model:	XT660R	RC 600R	300 Extra	MX-1 125 Record
Years:	2010	1992-	1964-69	1989
Engine:	Four stroke, single cylinder, SOHC, 4 valve	Four stroke, single cylinder, DOHC, 4 valves	Four stroke, single cylinder, 2 valves	Two stroke, single cylinder, reed valve
Capacity:	659 cc/ 40.2 cu-in	558 cc / 34.0 cu-in	300 cc / 18.3 cu-in	124 ccc / 7.6 cu-in
Bore x Stroke:	100 x 84 mm	98 x 74 mm	60 x 54 mm	56 x 50.5 mm
Compression Ratio:	10.0: 1	10.5:1	7.8:1	13.0;1
Cooling System:	Liquid cooled	Liquid cooled	Air Cooled	Liquid cooled
Induction:	Fuel injection, 44 mm throttle body	2x 30mm carburetor	Carburetor	28 Dell'Orto PHBH carburetors
Ignition:	TCI	Electronic	6 Volt	Electric ignition with capacitive output
Starting:	Electric	Electric	Kick	Electric
Max Power:	33.8 kW / 48 hp @ 6000 rpm	53 hp / 39.5 kW @ 7800 rpm	10.9 kW / 15 hp @ 8000 rpm	29.3 hp / 21.8 kW @ 9900 rpm
Final Drive:	Chain	Chain	Chain	Chain
Front Suspension:	43 mm Telescopic forks,	41mm Morzocchi forks	Hydraulic telescopic forks	35mm Marzocchi telescopic-hydraulic forks
Rear Suspension:	Oscillating arm standard Monocross. 200mm wheel travel	Boge shocks variable preload	Dual chocks	Fork in die cast aluminium, Boge single shock absorber fork in die cast aluminium, Boge single shock absorber
Front Brakes:	Single 298mm disc 2 piston caliper	Single 260mm disc	Drum	Single 260mm disc
Rear Brakes:	Single 245mm disc 1 piston caliper	Single 220mm disc	Drum	Single 240mm disc
Front Tyre:	90/90- 21	90/90 -21	3.00 -17	100/90-16
Rear Tyre:	130/80–17	130/80 -17	3.25 -17	120/80-16
Fuel Capacity:	15 Litres / 3.3 US gal	12 Litres / 3.17 US gal	19 Litres / 4.2 US gal	17 Litres / 4.5 US gal