![]() ![]() If holes have formed in the muffler, your exhaust will probably be a little louder (but different from the popping sound you may hear from the headers). It’s more possible to have holes in the muffler. If you suspect a pinhole somewhere else on the header, you can use the same way to diagnose it using the paper towel. Pin holes can form but it’s unlikely because water doesn’t stand much of a chance inside headers due to the constant heat going through them (unless your motorcycle has been sitting for a while). It’s not impossible to get an leak somewhere random on the exhaust header pipes though it’s much less likely than having a leak where the header connects to the engine. There’s usually a small whiff of exhaust anytime you’re riding, but if you notice an excessive amount or you can smell it very strongly, that could also indicate an exhaust leak. Rather, use something light like a paper towel hover it around the headers by the engine and see if you notice if the paper towel flaps from a leak draft.Īlso notice the smell of any exhaust while you’re idling on the motorcycle. I don’t recommend you use your hands since they can be extremely hot. When it warms up, they expand and seal off the leak.Īnother way to tell if you have an exhaust leak on your motorcycle is if the engine is on and you can sense a draft coming from the headers. Your gasket surface and your flange surface on the exhaust header aren’t fully touching when the motorcycle is first turned on. This is a sign of loose exhaust header bolts. An exhaust leak will likely make a louder popping sound when it’s first turned on and subside as the engine gets warmer. If you do hear a popping sound but aren’t sure if it’s the exhaust causing it, try turning on your bike while it’s cold and listen to the characteristics of the popping sound. Sometimes hearing that popping sound isn’t enough to determine whether or not this is your issue. A big leak will give a louder sound while a smaller leak will have a more subtle sound. Sometimes this is mistaken for an engine going bad because an exhaust leak could sound similar to the valves tapping. If you have a loose header, you’ll likely hear a popping sound. Most exhaust leaks happen where the header connect to the engine. The best way to tell if you have a motorcycle exhaust leak is by the sound. If you suspect an exhaust leak on your bike, it’s important to promptly take care of the issue to ensure it runs well and to ensure your personal health. Ways To Tell There Is An Exhaust LeakĮxhaust leaks on a motorcycle can sometimes be confused with other problems because of similar symptoms. EXHAUST MANIFOLD LEAK HOW TOThis article will explain exactly how you can diagnose an exhaust leak, how to fix it, and other information you’ll probably want to know. I’ve owned 13 of them and often ran into this issue. I personally am no stranger to exhaust leaks on my motorcycles. You can also try using a paper towel or some other light object and hover it over the exhaust to see if it flaps from a leak. ![]() How can you tell if a motorcycle has an exhaust leak? The best ways to tell if a motorcycle has an exhaust leak is by first listening to any unusual popping sounds coming from the headers as well as a strong smell of exhaust. Exhaust leaks can be tricky to diagnose because it has to do with gases which are hard to see. However the rider has their exhaust fashioned, every rider is susceptible to an exhaust leak. The way it looks and the way it sounds has a lot to do with the owner’s style and how they want to express themselves while out on a ride. The exhaust on a motorcycle is a huge defining point of the bike itself. ![]()
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