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Motorcycles Specs > Honda > Honda TRX420FM

Honda TRX420FM Specs

The Honda TRX420FM model is a ATV bike manufactured by Honda . In this version sold from year 2011 , the dry weight is  and it is equiped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of  and a maximum torque of  . With this drive-train, the Honda TRX420FM is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Honda TRX420FM have a  frame with front suspension being Independent double-wishbone and in the rear suspension it is equiped with Swingarm with single shock . Stock tire sizes are 24/8-12 on the front, and 24/10-11 on the rear. As for stopping power, the Honda TRX420FM braking system includes Double disc. Hydraulic size  at the front and Expanding brake (drum brake) size  at the rear. 

Honda TRX420FM General Information

Brand Honda 
Model Honda TRX420FM 
Year 2011 
Year 2011 
Category ATV 
Factory Warranty (Years / miles) 1 year, transferable limited warranty. 

Honda TRX420FM Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase 1,255 mm (49.4 inches) 
Length 2,055 mm (80.9 inches) 
Width 1,171 mm (46.1 inches) 
Height 1,146 mm (45.1 inches) 
Seat Height 823 mm (32.4 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance 231 mm (9.1 inches) 
Trail size  
Wheels details  
Front Tyres - Rims dimensions 24/8-12 
Rear Tyres - Rims dimensions 24/10-11 
Front brakes Double disc. Hydraulic 
Rear brakes Expanding brake (drum brake) 
Front Brakes Dimensions - Disc Dimensions  
Rear Brakes Dimensions - Disc Dimensions  
Curb Weight (including fluids) 264.9 kg (584.0 pounds) 
Dry Weight  
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio :  
Fuel Tank Capacity 13.24 litres (3.50 gallons) 
Reserve Fuel Capacity 3.78 litres (1.00 gallons) 
Carrying Details and Capacity  
Front Suspension Independent double-wishbone 
Front Suspension Travel 160 mm (6.3 inches) 
Rear Suspension Swingarm with single shock 
Rear Suspension Travel 160 mm (6.3 inches) 

Honda TRX420FM Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details  
Fuel system Injection. Keihin 34mm throttle-body fuel-injection system 
Engine size - Displacement - Engine capacity 420.00 ccm (25.63 cubic inches) 
Bore x Stroke 86.5 x 71.5 mm (3.4 x 2.8 inches) 
Compression Ratio  
Number of valves per cylinder
Camshaft Valvetrain Configuration OHV 
Maximum power - Output - Horsepower  
Maximum torque  
Engine Maximum RPM  
Cooling system Liquid 
Lubrication system Semi-dry-sump 
Engine oil capacity  
Exhaust system  
Gearbox Automatic 
Transmission type, final drive ratio Shaft drive (cardan) 
Clutch type Automatic 
Driveline Direct front and rear driveshafts 

Honda TRX420FM Performance

Top Speed  
Acceleration 0 to 100 km/h (0 to 62 mph)  
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency  
CO2 emissions  
Emissions Meets California Air Resources Board (CARB) and EPA off-road emissions standards. 

Honda TRX420FM Electrical Systems, Ignition and Equipment

Ignition Type Full-transistorized type with electronic advance 
Electrical Details  
Starter Type Electric 
Instruments  
Lights