What is the purpose of an exhaust baffle?
by Michael Gunderson. An exhaust baffle is an acoustically tuned metallic chamber placed inside a motor vehicle’s muffler to cancel out, or muffle, the sound from the vehicle’s exhaust outlet. They are specifically designed to cancel out louder sounds emanating from the vehicle exhaust while simultaneously allowing softer sounds to pass through.
How to correct a carb jetting motorcycle backfire?
Start the motorcycle cold with the choke on and see if there are any signs that it is loading up with fuel. Decrease the choke to lessen the fuel. Allow the bike to warm up to riding temperature, about two minutes. How does the bike respond to a standing throttle range? Is it smooth in the low RPM range from idle to about 1200?
Why do exhaust baffles make a rattling sound?
With time, exhaust baffles may deteriorate due to wear and tear and exposure to exhaust gases and heat. This deterioration causes leaking, which can create an irritating rattling sound every time the vehicle is used.
Why does my carb jetting start on fire?
Be sure that the fuel is going down the OEM drain hoses into the drain pan on the floor. Do not allow the fuel to run down the engine. This can ruin block paint. Or worse, fuel can spill on to the starter motor or hot pipes, causing a fire when the bike is cranked.
What happens when you take the baffles out of a bike?
You’ll start to wonder why your bike seems to be sluggish in low to mid-range throttle response. You may even begin to feel that the bike was peppier before you took the baffles out. You’d be right. You may feel the urge to blip the throttle at stoplights just to set things straight. Resist this urge.
What happens when you take the baffles out of a V-twin?
Old men will curse you and old ladies will cringe at the thundering sound of your loud machine. You’ll start to wonder why your bike seems to be sluggish in low to mid-range throttle response. You may even begin to feel that the bike was peppier before you took the baffles out.
Do you drill out the baffles on a Dyna Street Bob?
Hi, I just recently purchased a 2013 HD dyna street bob and for having the 96 in it I expected it to be louder. So me being broke looked for alternatives to make it have the Harley roar and heard a friend say drill out the baffles, I would really like to know if I should?
Is it against the law to remove baffles?
I don’t know how strict the law is there, but the squeeze is getting tighter, everywhere.