Comparison of Suzuki QuadSport Z400 2009 and Yamaha YFZ450X 2010

Attribute	Yamaha YFZ450X 2010 ×	Suzuki QuadSport Z400 2009 ×
General
Production from (year)	2010	2009
Make	Yamaha	Suzuki
Model	Yamaha YFZ450X	Suzuki QuadSport Z400
Category	ATV	ATV
Engine and transmission
Engine type	V2, four-stroke	Single cylinder, four-stroke
Valves per cylinder	5	-
Fuel system	Injection. Yamaha Fuel Injection (YFI), 42mm	Injection
Displacement (cm³)	449	398
Cooling system	Liquid	Liquid
Transmission type,final drive	Chain	Chain
Bore (mm)	95	90
Stroke (mm)	63.4	62.6
Gearbox	5-speed	5-speed
Fuel control	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)
Ignition	Digital TCI: Transistor Controlled Ignition	-
Lubrication system	-	Dry sump
Compression	11.6:1	11.3:1
Chassis
Front suspension	Independent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound and threaded preload adjustment, 9.4-in travel	Independent, double wishbone, coil spring, oil damped
Rear suspension	Cast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel	Swingarm type, coil spring, oil damped
Front brakes	Double disc	Double disc
Rear brakes	Single disc	Single disc
Front tyre	21/7-AT10	22/7-10
Rear tyre	20/10-AT9	20/10-9
Other
Starter	Electric	Electric
Color options	team yamaha blue white/red	white yellow
Dimensions
Wheelbase (mm)	1,270	1,245
Kerb weight (kg)	181.4	193
Overall height (mm)	1,064	1,145
Overall length (mm)	1,796	1,830
Overall width (mm)	1,171	1,190
Seat height (mm)	810	810
Ground clearance (mm)	114	265
Performance
Fuel capacity (l)	9.84	9.5