Gilera TG1-125 (1980) vs Gilera RX 250 Amizonas (1985) vs Gilera MX-1 125 (1988) vs Gilera XR2-125 (1990-) vs Gilera KZ 125 (1988-89) vs Gilera Saturno Bialbero 500 (1990-) vs Gilera Nexus 500 (2003-06)

Comparison technical specifications

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Make:	Gilera	Gilera	Gilera	Gilera	Gilera	Gilera	Gilera
Model:	TG1-125	RX 250 Amizonas	MX-1 125	XR2-125	KZ 125	Saturno Bialbero 500	Nexus 500
Years:	1980	1985	1988	1990-	1988-89	1990-	2003-06
Engine:	Two stroke, single cylinder	Two stroke, single cylinder, reed valve	Two stroke, single cylinder, reed valve	Two stroke, single cylinder, reed valve	Two stroke, single cylinder, reed valve	Four stroke, single cylinder, 4 valves	Liquid cooled, four stroke, single cylinder
Capacity:	122.5 cc / 7.5 cu-in	248.9 cc / 15.2 cu-in	124 ccc / 7.6 cu-in	124 ccc / 7.6 cu-in	124 ccc / 7.6 cu-in	492 cc / 30.0 cu-in	460 cc / 28.0 cu-in
Bore x Stroke:	57 x 48 mm	71 x 62 mm	56 x 50.5 mm	56 x 50.5 mm	56 x 50.5 mm	92 x 74 mm	92 x 69 mm
Cooling System:	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled
Induction:	Carburetor	32mm Dell'Orto carburetor	28 Dell'Orto PHBH carburetors	Dell'Orto premix	28 Dell'Orto PHBH carburetors	Dell'Orto PHM 40VS	Magneti Marelli IAV Electronic injection
Starting:	Kick	Kick	Electric	Kick	Electric	Electric	Electric
Max Power:	14.5 hp @ 7300rpm	38 hp / 28.3 kW @ 7500 rpm	29.3 hp / 21.8 kW @ 9900 rpm	24 hp / 18 kW @ 9250 rpm	29.3 hp / 21.8 kW @ 9900 rpm	44 hp / 32.1 kW @ 7000 rpm	40.1 hp / 29.3 kW @ 7500 rpm
Final Drive:	Chain	Chain	Chain	Chain	Chain	Chain	Belt
Front Suspension:	Telescopic forks	Telescopic forks	35mm Marzocchi telescopic-hydraulic forks	Paioli upside down forks, 230mm wheel travel	Fork traditional 36mm. Antidive adjustable	40mm Marzocchi forks	41mm Kayaba telehydraulic fork
Rear Suspension:	Dual shocks	Alloy swing arm adjustable single shock	Fork in die cast aluminium, Boge single shock absorber fork in die cast aluminium, Boge single shock absorber	Boge single shock	Hydraulic shock absorber adjustable in spring preload Court Cosso	Single Marzocchi shock preload adjustment.	Progressive POWER DRIVE, Kayaba gas shock absorber with spring preload
Front Brakes:	Single 260mm disc	Single 240mm disc	Single 260mm disc	Single disc	Single 240mm disc 2 piston caliper	Single 300mm disc 1 piston caliper	2x 260mm discs 2 piston calipers
Rear Brakes:	Drum	Drum	Single 240mm disc	Single disc	Single 240mm disc	Single 240mm disc 1 piston caliper	Single 240mm discs 2 piston calipers
Front Tyre:	2.75-18	2.75-21	100/90-16	2.75-21	100/80-16	110/70 VR17	120/70-15
Rear Tyre:	3.00-18	4.60-17	120/80-16	4.10-17	120/80-16	140/70 VR17	160/60-14
Fuel Capacity:	10 Litres / 2.6 US gal	15 Litres / 3.9 US gal	17 Litres / 4.5 US gal	22 Litres / 5.8 US gal		21 Litres / 5.5 US gal	15 Litres / 3.9 US gal