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Most Common Problems With Suzuki Eiger 400

Most Common Problems With Suzuki Eiger 400

Most people have a slight idea about Suzuki, or elaborately, Suzuki Motor Corporation. They are a Japanese multi-national establishment with headquarters situated in Hamamatsu. Suzuki is undoubtedly one of the biggest companies in the world that specializes in the automobile industry. While most of their products perform exceedingly well, we will focus on the traits of the Suzuki Eiger 400 throughout this article.

Who doesn’t love a superb all-terrain vehicle to have some fun and accomplish some work, right? The Suzuki Eiger 400 is an excellent choice for an ATV, and it has been this way for quite some time! The weight is a tad on the heavier side with over 500 lbs. and boasts of having a 376-cc engine, which is a pretty big size for an everyday-use ATV.

Without any more delay, let us dive into the main points of this article. Let me explain the most common problems people might encounter when using the Suzuki Eiger 400 and how they can solve some of them. We hope this will aid you in knowing much more about your favorite ATV.

Specifications Of The Suzuki Eiger 400

The Suzuki Eiger 400 has a single-cylinder, four-stroke engine, which is a big deal for automobile specs.

Having a single-cylinder means that the engine’s maintenance is far easier than multi-cylinder ones and, thus, can make life a whole lot easier. It also makes the ATV a bit cheaper than it would be with a multi-cylinder engine.

This ATV is based on air and oil-cooled technology, making it less prone to leaks and damages. Even if the oil-cooled system has some issues, the air-cooling method is always available for fast backup. The oil and air-cooled engines lead to a lower maintenance cost for the ATV and act as a lightweight option.

Enough about the praises of the Suzuki Eiger 400. Let’s get down to some of the cons associated with this ATV and how you can take care of them.

4 Common Problems of the Suzuki Eiger 400:

1. Cold Engine Issues With Eiger 400

You might notice this problem with many ATVs, and the Suzuki Eiger 400 is no different. During cold weather conditions, the engine does not start up, and thus, the ATV ceases to run correctly. Without the ATV being idle for some time, more problems arise as the engine and the fuel pipes do not heat up. As the conditions are icy, the vehicle must heat up for proper fuel flow.

All of these factors put additional strain on the battery and shortened its life. This happens as the battery has to work harder to thin up the fuel during cold conditions as the engine doesn’t work at idle properly. Indeed, for an ATV to be spotless, this needs to be fixed.

Often, this problem arises due to a dusty carburetor. One piece of advice could be to check up on the carburetor and make sure there is no clogging or buildup. If there is, clean it thoroughly and try running the engine on idle again.

2. Fuel Petcock Going Bad

A bad petcock can be one of the nastiest worries of someone who owns an ATV. If there are issues with the petcock, the vehicle is most likely to stop running altogether. As the petcock controls the fuel flow, a damaged petcock might leak the fuel and ultimately damage the carburetor.

In more severe cases, leaving a lousy petcock on could lead to a fire. The damage to the engine might be irreversible as well because of the hydro lock issues caused to the engine. Overall, a malfunctioning petcock is sure to hamper the experience you might have with a Suzuki Eiger 400.

The most probable solution to fix this could be to check on the petcock regularly and make sure nothing is clogging it up. If there are leaks or spots on the petcock, visiting a service center might help.

3. Crankshaft Issues Of Suzuki Eiger 400

A common complication with the later makes of the Suzuki Eiger 400 is the intermittent problems with the vehicle’s crankshaft. There have been instances where the user has experienced severe vibration while operating the car, and more often than not, it is caused by a ruined crankshaft. Having a damaged crankshaft can also make it difficult for the ATV to start up, and it might even backfire at times!

The primary reason for a crankshaft to get damaged is overheating. An engine that has problems with the cooling system may get very hot, disrupting the crank sensor’s work. Ultimately, too much heat production may lead to the casing getting severely damaged, causing the ATV to stop working. Check on the engine and the cooling systems regularly to avoid this issue.

4. Difficulties With Starting Up The Atv

This is a common problem with many Suzuki Eiger 400 ATVs made during the early manufacturing batches. Usually, this problem arises due to issues in the carburetor or the air-fuel mixture. Often, if the ATV sits idle in your home for a long time, the carburetor may get jammed and this issue may arise.

Fixing this problem is very easy, although sometimes, it can be costly as the vehicle’s entire system might have to be changed. Look out for the air passage and the pipes to see if there are clogs or buildups present. This ought to fix everything and keep the machine tiptop.

Pros And Cons Of The Suzuki Eiger 400:


  • A powerful engine with a single cylinder.
  • Oil and air-cooling system for easy cooling.
  • Inside the budget for other ATVs with the same engine specs.
  • It can be used for both work and recreation.


  • Starting up the ATV might be a problem at times.
  • A broken crankshaft can cause serious nuisances to the vehicle.
  • Ceases to heat up or idle during cold conditions.
  • Bad petcocks can occur frequently.

Final Say On The Suzuki Eiger 400

The Suzuki Eiger 400 has been in the market for a tremendously long time, and during this tenure, it has undoubtedly impressed many people! However, some slight disadvantages can make it a less pleasuring experience for a lot.

Read this article in detail, and I hope you’ll have a clear understanding of the most common problems with the Suzuki Eiger 400, including the potential fixes.

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