Honda FourTrax 300 Specs and Top Speed

Have you ever wondered which ATV had the first four-wheel drive transmission? Well, look no further than the Fourtrax 300 (TRX300) model all-terrain vehicle made by Honda. The year was 1988 and this feature helped drive record sales of the FourTrax 300 in the utility ATV market.

The Honda FourTrax 300 is an all-terrain vehicle(ATV) manufactured by Honda Motors Co. from 1988 to 2000. The FourTrax 300 has a 20 horsepower 4-stroke engine, is capable of a 45 mph (72.4 km/h) top speed and weighs 439 lbs (199 Kg). The 4×4 version weighs 474 lbs (215 Kg).

The FourTrax 300 featured an industry first four-wheel drive system that proved hugely popular and helped Honda sell over 500k units during a 12-year production run. A heavy-duty steel frame with excellent suspension made the FourTrax 300 an exceptional utility workhorse.
Honda Fourtraxx 300 ATV

Your FourTrax 300 was made in…

10th Digit of VIN Year Made
J 1988
K 1989
L 1990
M 1991
N 1992
P 1993
R 1994
S 1995
T 1996
V 1997
W 1998
X 1999
Y 2000

To determine which year your FourTrax 300 was manufactured, inspect its VIN tag. The 10th digit of every Honda ATV VIN represents the year it was made.

Honda FourTrax 300 VINs are located on the front center frame rail of the ATV. This year chart should help you decode the year yours was made.


The Honda FourTrax 300 is 190.5 cm (75 in) long, 125 cm (49.3 in) wide and 105 cm (41.5 in) in height. Note: The overall width and height was increased a little in later models to provide additional stability.

Honda TRX300 ATV Side Profile

Engine Size and Type

The Honda Fourtrax 300 has an air cooled 4-stroke SOHC single cylinder. Bore and stroke ratio is 74 x 65.5 mm and compression ratio is 9.0 to 1. The Fourtrax 300 engine has 281.7 cc of displacement, producing 20 horsepower(HP).

Oil Capacity

Honda Fourtrax 300 oil capacity is 2.6 quarts/2.5 liters according to the owner’s manual. Overfilling the oil reservoir may lead to engine damage.

Fourtrax 300 engines have the oil capacity stamped on their original dipstick.

Top Speed

Fourtrax 300 top speed in stock condition is good at 45 mph (72.4 km/h). Top speed was so good that consumers began to expect it so Honda delivered an even sportier model, the TRX250X, starting in 1986.

Interesting Details

Gas mileage for this utility ATV is excellent at over 30 miles per gallon. An independent double wishbone suspension, combined with excellent speed characteristics, instantly made the Fourtrax 300 a bestseller for Honda.

Overall Honda has sold more Fourtrax ATVs than any other model which is an impressive testament to the popularity of this ATV.

Where’s the VIN?

The vehicle identification number(VIN) on a Honda Fourtrax 300 ATV is located on the front cross-member of the frame.

It is sometimes difficult to find because it sits behind the steering rack and is sometimes covered by a skid plate.

Comparable ATVs

Perhaps the most popular ATV built in the same time period with similar features was the Kawasaki Bayou 220 manufactured by Kawasaki. It was a fierce competitor of the TRX300, together they dominated the ATV utility market for many years.

What’s it worth?

A used Honda Fourtrax 300 ATV in good working condition ranges in value between $300 U.S.(low) and $3500 U.S.(high). Source: a study of online marketplaces including Facebook, eBay, and several for sale services. Value is dependent on condition.

A good used Fourtrax 300 is fairly easy to find, despite how long it’s been out of production. The reason is that Honda produced and sold so many of them. Parts are also readily available at fair prices.

What kind of gas does a Fourtrax 300 ATV use?

The Honda Fourtrax 300 uses regular unleaded gasoline available at most gas stations. Fuel stabilizer additives are not required, however, if you plan to store your Fourtrax 300 for an extended period of time they are recommended.

How can I make my Honda FourTrax 300 faster??

Fourtrax 300 engines have a rev limiter, adjusting the limit higher can provide more speed. Aftermarket exhaust and air filter components can also make a Fourtrax 300 faster.

My favorite way to increase speed on older models is via simple maintenance. Fresh oil, properly filled tires and a well-adjusted engine make this quad plenty fast.

How do I tell what year my Honda FourTrax is?

The easiest way to tell the year of your Honda Fourtrax is by comparing the 10th digit of it’s VIN with a VIN year chart(such as the one above). You can also look up the engine model number, however, it’s possible the engine was replaced.