Question about 2006 Aprilia Scarabeo 125

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Exhaust systems

Have been pretty unsuccessful in finding an exhaust system or bolt on for the Scarabeo 100 2008. Is there another solution

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Yes, you can fit any muffler from any 80cc - 100cc bike that fits the pipe or can be mod'ed to fit the pipe. You might want to consider the Suppertrapp 3M Dirtbike series. Be advised, if your exaust is too free-flow you may need to re-jet the carb. Also, I assume your goal is a louder sound rather than horsepower gains which would require replacing the carb and using a free-flow airbox (and of course re-jetting).

Posted on Feb 24, 2009

  • noodle-soup Feb 24, 2009

    By the way, tina783 copied that information from the Aprilia AF1 Forum. For performance, you will need a different 20mm carb than the stock CV-type. Any 18mm or 20mm carb that fits is fine (the boot connection fits a carburetor with a 23mm outside diameter at the spiggot. I do not believe the Keihin PE20 or any in the PE series will not fit in a stock S100 as it's rather tall. The carb is directly below the plastic fuel tank that is attached to the frame and the engine/carb is on the pivoting swingarm (so if it "fits" you may sitll have problems once you hit a bump in the road).


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Must the exhaust be specific to the model is there no way to take an exhaust made for a similar scoot and fit it to the scarabeo? What is your goal? The scooter exhausts offered by Leo Vince and Malossi aren't actual performance systems. People use them because they want to customize the scoot or get more of a growl sound while also passing emission inspections. Most people in the USA never have an emissions inspection on their scooters and are thus free to bolt on any exhaust they choose. If you are looking for performance you need an aftermarket free-flow system like those used for off-road bikes and your only limitation is how loud of an exhaust you are willing to accept. There are plenty of aftermarket exhausts for pit bikes and small dirt bikes that should bolt on to the S100-4T. Personally I would start by looking at mods people have done on the Honda XR70 since it's about the same size engine and uses the same 20mm Keihin carburetor. Of course if you bolt-on an aftemarket free-flow dirt-bike exhaust you will need to replace the existing restrictive airbox with a free-flow K&N unit and either add larger jets to the existing carburetor or switch to the high-flow 20mm PE Keihin or the 24mm Keihin. Either way, the muffler is the easy part it's getting the fuel/air mix right and that's all carburetor work. ,,,

Posted on Nov 10, 2008

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