Do i need to rejet motorcycle after installing new exhaust?

11
Roosevelt Jones asked a question: Do i need to rejet motorcycle after installing new exhaust?
Asked By: Roosevelt Jones
Date created: Sun, Jun 20, 2021 11:34 PM
Date updated: Sun, Aug 14, 2022 11:30 AM

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Top best answers to the question «Do i need to rejet motorcycle after installing new exhaust»

If you're just swapping the exhaust with a new one of the same type, there's probably no need to rejet your carburetor at all. Where it becomes an issue is when you are installing a stronger or tuned exhaust. Doing so raises the running temperature of your engine and more fuel is needed to compensate.

FAQ

Those who are looking for an answer to the question «Do i need to rejet motorcycle after installing new exhaust?» often ask the following questions:

🚗 How do you rejet a carburetor on a motorcycle?

  • Unscrew these jets and replace them with the awesome new jets you got at BikeBandit.com. The old jets will have a number on the side of them to tell you how large the hole for the gas is.

🚗 Do you need to remap a motorcycle after putting a new exhaust on?

  • Do You Need to Remap a Motorcycle After Putting a New Exhaust On? Contrary to popular belief, motorcycles aren't just two-wheeled cars. While bikes use many of the same basic parts and operating principles, the bike as a whole often does without certain components that might add unnecessary cost, complexity and weight.

🚗 Do you need to tune your bike after exhaust?

It does not damage your engine, the average one will improve efficiency by helping the exhaust flow, at the expense of being louder, which many view as being a good thing. By improving the exhaust flow your engine will now be running slightly lean, which is why a tune is recommended.

10 other answers

If you’re just swapping the exhaust with a new one of the same type, there’s probably no need to rejet your carburetor at all. Where it becomes an issue is when you are installing a stronger or tuned exhaust. Doing so raises the running temperature of your engine and more fuel is needed to compensate.

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Do you need to tune your motorcycle after exhaust? Full system, yes you need to re-jet for carb'ed engines, or a power commander or similar for FI engines. If you get a full system specifically designed and tuned to your bike however, it should bolt straight on without issue, if the manufacturer of the exhaust has done their job properly.

Kevin Cameron explains why a carbureted four-stroke motorcycle needs to be rejetted when the exhaust system is changed.

The only way to be sure is to a do a plug chop test. I see way to many guys thinking they need to rejet to a larger jet when changing exhaust, and it's not always so, and even when it is so, the change is often way smaller than they though it would be.

Exhaust and Airflow Basics. Exhaust systems make power by getting used gases out of the engine, which makes room for more air and fuel in the cylinder. More air going in means more fuel burned, which means more horsepower. On a carbureted engine, this reduction in back pressure is nothing but good; the carb is a combination airflow and fuel ...

If you’re just swapping the exhaust with a new one of the same type, there’s probably no need to rejet your carburetor at all. Where it becomes an issue is when you are installing a stronger or tuned exhaust. Doing so raises the running temperature of your engine and more fuel is needed to compensate. This requires a larger jet.

Do I need to Rejet motorcycle after installing new exhaust? If you’re just swapping the exhaust with a new one of the same type, there’s probably no need to rejet your carburetor at all. Where it becomes an issue is when you are installing a stronger or tuned exhaust. Doing so raises the running temperature of your engine and more fuel is needed to compensate. Will removing the baffles hurt my motorcycle?

IT’S THAT EASY!! I use this method to add a slightly richer mixture to almost every carburetor job I do. Not only does it improve the response of how the engine reacts but the bike tends to run better then it did when it came out of the crate.. WHATS THE CATCH? Since we have changed the mixture by adding both a new exhaust system to help the engine breath better, as well as an adjustment to ...

The manufacturers of the aftermarket exhausts recommend that the bike be re-jetted whenever their product is installed. The bikes are lean from the factory to begin with. The free-flowing exhausts will cause the bikes to run even leaner. The result will be a loss of power and a drop in fuel economy.

Your Answer

We've handpicked 22 related questions for you, similar to «Do i need to rejet motorcycle after installing new exhaust?» so you can surely find the answer!

How motorcycle exhaust works?
  • How does a motorcycle exhaust system work? The main purpose of the exhaust system is to direct the post-combustion gasses from the engine cylinder and away from the driver out into the atmosphere. Exhaust pipes are also used to help the engine run smoother by supplying back pressure through pipe length and cross sectional area.
What is motorcycle exhaust?
  • Motorcycle Exhaust. A number of reasons exist for why riders change the exhaust but outside replacing a broken or worn system, a new pipe generally offers better performance and a look and sound the OEM fails to deliver. You can fully replace the system - a largely more expensive and complex option - or remove the current muffler and attach a slip-on.
Why wrap motorcycle exhaust?

To be more precise, it actually works too marginally in motorbikes, though wrapping exhausts can make a huge difference in power in heavy vehicles like trucks or cars. By wrapping those, engine temperature is reduced which eventually empowers the vehicle. Secondly, exhaust system wrapping is undoubtedly a cumbersome program.

Do you need a new exhaust system on a motorcycle?
  • Few mods turn heads quicker than an aftermarket exhaust system. Whether you need to replace a beat-up muffler, improve the fuel efficiency of your ride or simply project your bike’s power and authority, it’s time to pick up a new exhaust system.
Do you need a slip on exhaust on a motorcycle?
  • A new motorcycle slip-on exhaust may be the answer for you. There’s a reason why slip-ons are one of the most popular aftermarket upgrades. Swapping mufflers is, for the most part, an easy job that anyone can accomplish by themselves in their own garage or driveway.
Why do you need an exhaust silencer on a motorcycle?
  • A motorcycle exhaust silencer is designed with two purposes in mind. The first of these is to add exhaust system back-pressure and the second is to cut back on exhaust pipe noise. The latter is especially important.
Why do you need an exhaust system on a motorcycle?
  • A motorcycle exhaust system routes hot fumes from the engine away from the rider and toward the back of the bike while also creating the signature buzz or rumble. Replacing the exhaust system on a motorcycle is one of the most common modifications made by bike owners either to alter the look of the pipes, the sound, performance, or all three.
Is installing a windshield on a motorcycle hard?
  • Installing windshields can be pretty simple, but it is also pretty easy to get it wrong. If it’s flapping around while riding, the rider is likely to fidget with it. If it flies off it can hit another vehicle and cause damage to them. Windshields on a motorcycle also have a tendency to make your ears pop.
Do you need to change the exhaust system on a motorcycle?
  • As a general rule, most slip-on or “muffler-only” exhaust systems do not require alterations in the fuel delivery, but even a bone-stock factory motorcycle will benefit from fuel management changes. If you are purchasing a full exhaust system, most manufacturers strongly recommend fuel system changes.
What kind of exhaust pipe do i need for a motorcycle?
  • We carry shorty mufflers that are easy to install and work great on custom exhaust applications, and we carry motorcycle mufflers with the old school chopper flair like the classic fishtail and cocktail shaker style mufflers. Add some baffles from Cycle Standard and get your own tone and performance tune.
Can you paint motorcycle exhaust?
  • It can be a bit tricky to paint motorcycle exhaust pipes because of the high temperature they endure. Many times people see bubbles and chips on their paint job. The easiest way to avoid this is to get paint that can withstand high temperatures, such as paint used on grills.
Is wrapping motorcycle exhaust bad?

Wrap can cause excessive heat and hold and trap moisture and detritus against your exhaust, which will shorten the life of the exhausts. Most manufacturers consider pipe wrapping to be abusive and will not honor warranties for wrapped exhausts.

Painting motorcycle exhaust heat shield?

How to take off and put back on the heat shield after painting it black to match the rest of the bike.

Should motorcycle exhaust be wrapped?

The benefit of exhaust heat wrap is that it reduces engine temperature. And the more heat you can remove from the bike, the better it will run. Heat wrap keeps the heat in the exhaust. From here, the exhaust can do a better job of dispelling it resulting in a better running engine.

Should you wrap motorcycle exhaust?

The benefit of exhaust heat wrap is that it reduces engine temperature. And the more heat you can remove from the bike, the better it will run. Heat wrap keeps the heat in the exhaust. From here, the exhaust can do a better job of dispelling it resulting in a better running engine.

What are motorcycle exhaust shields?
  • Motorcycle exhaust shields are an easy and effective way to protect your leg, or your passenger's leg, from excessive heat from your motorcycle's exhaust. The cast aluminum heat shields from Lowbrow Customs clamp to your exhaust pipe using hidden mounts, and install in minutes.
Why wrap motorcycle exhaust pipes?
  • Motorcycle Exhaust Wrap. Pipe wraps for motorcycles give your bike a hotrod look, plus they help boost the efficiency of your exhaust system. They insulate your motorcycle exhaust pipes to keep the heat inside and help burn unignited fuel molecules in the exhaust, so you’re actually reducing pollution!
Why do i need to lower the exhaust pressure on my motorcycle?
  • Due to EPA regulations often times getting your bike to sound like a Harley means you need to make it louder. A common belief is that by reducing back pressure in the exhaust system you will automatically gain horsepower. Unfortunately this is not the case.
Why do i need to replace my exhaust pipe on my motorcycle?
  • There’s a bunch of good reasons to replace an exhaust: Goin’ fast! Remember, the OE manufacturer had to meet a budget. That means that they might have been unable to produce the best motorcycle exhaust pipes possible for your bike at the price you purchased it for.
Why do you need to clean the exhaust pipe on a motorcycle?
  • When cleaning the exhaust pipe of a motorcycle, what we are doing is removing excessive carbon and soot that accumulates as a result of engine operation to prevent the motorcycle from losing power.
Are full exhaust kits illegal motorcycle?

Is it legal to use aftermarket exhausts on a motorcycle?

  • The fact is that some aftermarket exhausts are road legal, and some aren’t. At Fuel Exhausts, we like to keep it clear and straightforward. So, to coin a phrase, our motorcycle exhausts do exactly what it says on the tin. If they say they’re road legal, like our Diablo, Classic, Slash and F1R Road, then they are providing the baffle is in place.
Are motorcycle exhaust illegal in california?

California Exhaust Law. California law requires that all motor vehicles, including motorcycles, comply with state code with regard to sound emissions. These rules are meant to protect pedestrians and residents from noise pollution, as engines that are too loud can disturb the peace or even set off car alarms as they go by.