FAQs and Step by Step Guide for Honda 400EX Users

We know you have a lot of questions about your Honda 400EX ATV. Our team has put together a comprehensive guide that covers some of the most frequently asked questions. We hope this article will help you out and provide some useful information.

1. How fast does a honda 400ex go?

A Honda 400ex can go up to around 85 miles per hour.

2. Does honda still make the 400ex?

Honda discontinued the 400EX in 2009. But in 2015 Honda announced the 400X is back, making it one of the longest-running sport quads on the market.

3. Does a honda 400ex have reverse?

The 05 and newer have reverse.

4. How much does a honda 400ex weight?

The Honda 400ex weighs around 254 pounds.

5. How much horsepower does a honda 400ex have?

A Honda 400EX has about 28 Horsepower.

6. How much is a honda 400ex worth?

A Honda 400EX is typically worth between $2,200 and $3,500.

7. Is a honda 400ex a 4 stroke?

Yes, the Honda 400EX is a four-stroke engine.

8. What oil does a honda 400ex take?

The Honda 400ex takes 10w40 oil.

9. When did honda stop making the 400ex?

Honda stopped making the 400ex in 2009.

10. How many quarts of oil does a honda 400ex take?

A Honda 400EX takes 2 quarts of oil.

11. How much is a 2003 honda 400ex worth?

The value of a 2003 Honda 400EX varies depending on the condition of the vehicle, where it is being sold, and other factors. A good estimate would be around $2,500.

12. How fast is a honda 400ex?

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

13. How much oil does a honda 400ex hold?

The capacity of a Honda 400ex’s oil tank is 1.8 gallons.

14. What size is the spark plug on a honda 400ex?

The spark plug on a Honda 400EX is 18mm.

You may buy the perfect size spark plug on Amazon: https://www.amazon.com/dp/B07819RYM4

15. How many gears does a honda 400ex have?

The Honda 400ex has five gears.

16. Can I use a honda 450r carb in a 400ex?

There is no definitive answer, as it depends on the specific model of each vehicle. However, in general, it is not recommended to use a carb from one vehicle on a different vehicle, as it can cause issues with the engine.

17. Can you adjust the cam chain tensioner on the honda 400ex?

Yes, you can adjust the cam chain tensioner on a Honda 400ex.

18. How to time a honda 400ex?

There is no one definitive answer to this question, as the timing on a Honda 400ex can vary depending on the year and model of the vehicle. However, some tips on how to time a Honda 400ex may include checking the factory service manual for specific timing specifications, using a timing light to check the timing marks on the engine, and adjusting the timing accordingly.

19. Why did honda stop making 400ex?

There isn’t a definite answer, but one possible reason is that sales were declining. The 400ex was first released in 1999 and was one of Honda’s top-selling models until around 2007. In 2008, Honda released an updated version of the 400ex, but sales continued to decline. There are many other ATVs on the market that offer similar features and performance, so Honda may have decided to focus on other models.

20. How to fix a honda 400ex when it won’t start?

There are a few things that could be causing your Honda 400ex not to start. Check the basics first, such as the oil level and fuel level. If those are both good, then check the spark plug. If it is dirty or damaged, it will need to be replaced. If the spark plug is good, then check the carburetor. Make sure that it is clean and that all of the jets are clear. If the carburetor is dirty or the jets are clogged, the engine will not start.

21. How to install nerf bar nets honda trx 400ex?

There are a few different ways to install nerf bar nets on a Honda TRX 400EX, but the most common method is to first remove the seat and gas tank. Next, locate the four bolts that hold the nerf bars in place and remove them. Once the bolts are removed, the nerf bars can be slid out of place. To install the nets, simply reverse the process and slide the bars back into place, then replace the bolts.

22. How to make a honda 400ex faster?

There is no definitive answer, as there are many ways to make a Honda 400ex faster. However, some ways to increase speed include installing a bigger bore kit, porting and polishing the engine, and installing a performance exhaust system.

23. How to remove tires from a 2007 honda TRX 400ex?

To remove the tires from a Honda trx 400ex, you will need to first remove the axle nut, which is located at the center of the wheel. Next, you will need to remove the brake caliper, which is located at the top of the wheel. Finally, you will need to remove the wheel itself.

24. How to change tires from honda 400ex?

There are a few things you need to do in order to change a tire on a Honda 400EX. First, you need to jack up the vehicle and place it on jack stands. Next, you need to remove the wheel that needs the tire change. To do this, you must remove the lug nuts that are holding the wheel in place. Once the lug nuts are removed, the wheel can be taken off. Now, you can take the old tire off and put the new tire on. Be sure to put the lug nuts back on and tighten them before taking the vehicle off the jack stands.

25. How to attach a snowplow on 400ex?

There is no one-size-fits-all answer to this question, as the process for attaching a snowplow to a 400ex will vary depending on the make and model of the snowplow. However, some tips on how to attach a snowplow to a 400ex include making sure that the plow is properly secured to the ATV, checking the plow’s owner’s manual for specific instructions, and following all safety precautions.

Step By Step Guide for Honda 400ex Users

26. How to tighten the chain on the honda 400ex? / How to adjust the chain on the honda 400ex?

1. Park the Honda 400EX on a level surface and set the parking brake.

2. Place the transmission in neutral.

3. Locate the chain adjustment bolts on the left and right sides of the rear axle. The right side bolt is used to loosen the chain, while the left side bolt is used to tighten the chain.

4. Place a wrench on the right-side chain adjustment bolt and turn it counterclockwise to loosen the chain.

5. Place a wrench on the left side chain adjustment bolt and turn it clockwise to tighten the chain.

6. Continue tightening the chain until there is approximately 1/2 inch of play in the chain.

7. Test the chain by moving it back and forth with your hand. The chain should have a small amount of movement, but should not be loose.

8. Once the chain is properly adjusted, tighten the chain adjustment bolts with a wrench.

27. How to change the oil on a honda 400ex?

1. Park your Honda 400EX on a level surface and turn off the engine.

2. Place a pan underneath the oil drain plug, which is located on the bottom of the engine.

3. Remove the oil drain plug with a wrench and allow the oil to drain into the pan.

4. Screw the oil drain plug back into place when the oil has finished draining.

5. Remove the oil filter, located on the side of the engine, with a wrench.

6. Install a new oil filter by screwing it into place.

7. Fill the engine with new oil through the oil fill hole, located on the top of the engine.

8. Replace the oil fill cap and start the engine.

28. How to drain gas from honda 400ex?

Assuming you need to do this for maintenance:

1. Park the Honda 400ex on a level surface and turn off the engine.

2. Place a large pan or catch container under the engine on the left side.

3. Locate the drain bolt on the bottom of the left side of the engine. The bolt is located just above the exhaust pipe.

4. Use a wrench to loosen the drain bolt and allow the gas to drain into the container.

5. Once the gas has finished draining, use the wrench to tighten the drain bolt.

6. Remove the catch container and dispose of the gas properly.

29. How to install Honda 400ex seat cover?

1. Open the seat and locate the bolts that hold the seat cover in place.

2. Remove the bolts and carefully take off the seat cover.

3. Place the new seat cover over the seat and align the bolts with the holes.

4. Insert the bolts and tighten them in place.

30. How to install rear spacers on a honda 400ex?

There are a few different ways to install rear spacers on a Honda 400EX. One way is to use spacers that fit between the frame and the axle. Another way is to use spacers that fit between the swingarm and the frame.

Step by Step Guide

1. Park your Honda 400EX on a level surface and engage the parking brake.

2. Place a jack under the rear of the ATV and raise it up until the rear wheels are off the ground.

3. Spin off the lug nuts on the rear wheels using a lug nut wrench.

4. Pull the rear wheels off of the ATV.

5. Place a rear spacer onto each of the rear axle studs.

6. Set the rear wheels back onto the ATV and hand-tighten the lug nuts.

7. Lower the Honda 400EX back down to the ground.

8. Spin the lug nuts tight using the lug nut wrench.

31. How to install the widening kit on honda 400ex?

1. Remove the left and right side panels.

2. Unscrew the four bolts that hold the front fender in place.

3. Remove the front fender.

4. Unscrew the two bolts that hold the headlight in place.

5. Remove the headlight.

6. Unscrew the four bolts that hold the fairing stay in place.

7. Remove the fairing stay.

8. Unscrew the four bolts that hold the windshield in place.

9. Remove the windshield.

10. Unscrew the four bolts that hold the rear fender in place.

11. Remove the rear fender.

12. Unscrew the two bolts that hold the taillight in place.

13. Remove the taillight.

14. Unscrew the four bolts that hold the rear fairing stay in place.

15. Remove the rear fairing stay.

16. Unscrew the four bolts that hold the seat in place.

17. Remove the seat.

18. Unscrew the four bolts that hold the fuel tank in place.

33. How to remove spark plug honda 400ex?

1. Remove the spark plug cap from the spark plug.

2. Use a spark plug wrench to loosen the spark plug.

3. Remove the spark plug from the engine.

4. Inspect the spark plug for signs of wear or damage.

5. If the spark plug is damaged, replace it with a new one.

6. Reinstall the spark plug in the engine.

7. Use the spark plug wrench to tighten the spark plug.

8. Reinstall the spark plug cap on the spark plug.

We hope you found the FAQs and Step by Step Guide helpful for your Honda 400EX. If you have other questions or comments, feel free to email us or write that down in the comments box below. We will try our best to respond as quickly as possible.

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