Comparison of GAS GAS EC 250F 2021 and Yamaha YZ 250 F 2004

Attribute	GAS GAS EC 250F 2021 ×	Yamaha YZ 250 F 2004 ×
General
Production from (year)	2021	2004
Make	GAS GAS	Yamaha
Model	GAS GAS EC 250F	Yamaha YZ 250 F
Category	Enduro / offroad	Cross / motocross
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, two-stroke
Valves per cylinder	-	5
Fuel system	Injection	-
Displacement (cm³)	249.9	249
Cooling system	Liquid	Liquid
Transmission type,final drive	Chain	-
Bore (mm)	78	77
Stroke (mm)	52.3	53.6
Gearbox	6-speed	-
Fuel control	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)
Driveline	X-Ring 5/8 x 1/4´ chain	-
Ignition	Keihin EMS	-
Clutch	DDS wet multi-disc clutch, Braktec hydraulics	-
Compression	-	12.5:1
Chassis
Front suspension	WP XPLOR-USD, Ø 48 mm	Telescopic Fork
Rear suspension	WP XACT Monoshock with linkage	Swing arm (linked type monocross)
Front brakes	Single disc. Two-piston calipers.	Single disc
Rear brakes	Single disc. Single-piston caliper.	Single disc
Diameter (mm)	220	245
Frame type	Central double-cradle-type 25CrMo4 steel	Front suspension system
Front tyre	90/90-21	80/100-21
Rear tyre	140/80-18	100/90-19
Wheels	Wire spoked	-
Front wheel travel (mm)	300	300
Rear wheel travel (mm)	300	315
Rake (fork angle) (degree)	26.5	-
Other
Starter	Electric	-
Color options	red/white	blue
Dimensions
Wheelbase (mm)	1,490	1,475
Dry weight (kg)	106	97
Overall height (mm)	1,260	1,303
Overall length (mm)	2,200	2,165
Overall width (mm)	830	827
Seat height (mm)	950	995
Ground clearance (mm)	360	382
Performance
Fuel capacity (l)	8.5	-