Can you fuel inject a 400EX?

From the beginning of time the Honda 400EX has been one of the top machines to have. … Granted a lot of the newer machines these days are upgrading to fuel-injection systems, we still approve the carburetor machines for their pure simplicity and, well, they work just great.

What kind of gas does a 400EX take?

You should run at least 91 octane in your 400ex. It will run on 87, but you will run into detonation when it gets hot (this is a bad thing).

Can you convert a carbureted engine to fuel injection?

Switching from a carburetor to electronic fuel injection is critical for gas savings. … A fuel injection conversion replaces a carburetor with a fuel injection system. There are fuel injection conversion kits that make the entire process very easy.

Is a 400EX fast?

A stock 400ex should run around 106 – 112 Km/h.

How much gas does a 400EX hold?

The seat sat 31.9 inches above the ground, and at its lowest point, the steel tube chassis had a ground clearance of 4.3 inches. The 400EX could hold a driver and a passenger. It had a curb weight of 410 pounds when the 2.6 gallon fuel tank was full.

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What makes more power carb or EFI?

Warren Johnson: Properly tuned, carburetors make more peak power than EFI in a Pro Stock engine. … EFI performs well over 2,000 rpm or more. On average, if optimized, both systems perform about the same as far as how fast you get down the track. However, the EFI system is much easier to tune than a carburetor.

How much HP does EFI add?

Typically, an EFI system will enhance your engine, but it may not directly increase your horsepower. Most aftermarket EFI systems can handle engines with anywhere from 450 to 600 horsepower, but some are suitable for as much as 1,200 horsepower.

How fast is a 400EX in mph?

55.7 MPH @ 3500 ft. elevation. Stock bike.

What is a 400EX worth?

A used Honda TRX 400EX, 2003 is worth $2293, on average. … A good price if you are buying a Honda TRX 400EX, 2003 is $1958, and a good price if you are selling a Honda TRX 400EX, 2003 is $2628.

What is the top speed on a 400EX?

It has a 28 horsepower engine and the Honda 400EX has a top speed of 72 MPH.

How much weight can a 400EX hold?

Sport ATV Weight Limits

Make And Model Weight Limit
Honda 400EX 220 lbs
Polaris Scrambler XP 1000 290 lbs
Yamaha Raptor 700 220 lbs
Yamaha YFZ450R 220 lbs

Is a 400EX a good trail quad?

The 400EX is a great trail quad, but I never heard of them being used for trials, lol. Compared to other quads it’s a great climber, but compared to two wheelers it sucks out loud.

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How wide is a stock 400EX?

2005 Honda TRX400EX Specifications

Model: TRX400EX
Width: 45.3 inches
Height: 43.7 inches
Seat Height: 31.9 inches
Ground Clearance: 4.3 inches
Motorization