Comparison of Yamaha FZ 25 2018 and Zongshen GS 250

Attribute	Yamaha FZ 25 2018 ×	Zongshen GS 250 ×
General
Production from (year)	2018	2006
Make	Yamaha	Zongshen
Model	Yamaha FZ 25	Zongshen GS 250
Category	Naked bike	Sport
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, four-stroke
Valves per cylinder	-	2
Fuel system	Injection	Carburettor
Displacement (cm³)	249	230
Power (kw)	15.3	12.4
Fuel consumption (l/100km)	-	3.36
Cooling system	Air	Air
Transmission type,final drive	Chain	Chain
Torque (Nm)	20	16.5
Bore (mm)	74	-
Stroke (mm)	58	-
Gearbox	5-speed	5-speed
Greenhouse gases	-	78.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel control	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)
Clutch	Wet,multiple disc	Wet plate
Lubrication system	-	Wet Sump
Compression	9.8:1	-
Exhaust system	-	Single steel pipe with aluminum silencer.
Chassis
Front suspension	Telescopic fork	Inverted hydraulic forks
Rear suspension	Swingarm. Monocross suspsension.	Monoshock, non-adjustable
Front brakes	Single disc	Double disc
Rear brakes	Single disc	Single disc
Diameter (mm)	220	229
Frame type	-	Steel
Front tyre	100/80-17	110/70-17
Rear tyre	140/70-17	140/70-17
Other
Starter	Electric	Electric & kick
Color options	black blue white	silver/charcoal
Light	LED headlights	-
Dimensions
Wheelbase (mm)	1,360	1,387
Dry weight (kg)	148	166
Power/weight ratio	0.1034	0.0747
Overall height (mm)	1,075	1,092
Overall length (mm)	2,015	2,007
Overall width (mm)	770	762
Seat height (mm)	795	787
Ground clearance (mm)	160	145
Performance
Top speed (km/h)	-	115
Fuel capacity (l)	14	20.06
Oil capacity (l)	-	0.9