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Honda® TRX 250X

The new 2011 TRX 250X from Honda features a 229cc air-cooled OHV longitudinally mounted single-cylinder four-stroke motor with a Five-speed transmission with Reverse. The new TRX 250X brings new life to the older Honda 250EX. Our Performance Series exhaust system picks up an excellent amount of horsepower when it's tuned with our Recommended Jetting Specs and proper air filters.

Exhaust Fits: 
(11-19) TRX 250X
(01-10) TRX 250EX, SporTrax, EX8

Fuel tuning is required learn more

Fuel Tuning is absolutely required when installing an HMF Exhaust on this machine. Failure to tune the engine can cause excessive damage to the exhaust system and engine, while voiding the warranty on your exhaust and possibly on your machine. (check with local dealer). See the tuning settings below for the proper fuel tuning solution on your machine.

Exhaust Systems

Honda® TRX 250X ATV Accessories

Tuning

Recommended Tuning
100 Keihin Round Main Jet

HMF Basic Jet Kit Includes
100, 105, 110 Keihin Round Main Jet

Low Speed Fuel

Going down on the number scale will reduce low speed fuel. Going up on the number scale will increase low speed fuel.

Mid Range Fuel

Going down on the number scale will reduce mid range fuel. Going up on the number scale will increase mid range fuel.

High End Fuel

Going down on the number scale will reduce high end fuel. Going up on the number scale will increase high end fuel.

Green Lower Switch Point

Going down on the number scale will turn green mode on earlier. Going up on the number scale will turn green mode on later. These modes typically will not need adjusted from their base setting.

Yellow Lower Switch Point

Going down on the number scale will turn yellow mode on earlier. Going up on the number scale will turn yellow mode on later. These modes typically will not need adjusted from their base setting.

Red Lower Switch Point

Going down on the number scale will turn red mode on earlier. Going up on the number scale will turn red mode on later. These modes typically will not need adjusted from their base setting.

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