taco eater :
Goshen Mopeds from Goshen, IN United States
If you know Sachs, you know that the carb inlet is 12mm, or in some cases 10m. You can put any size filter you want on there and it ain't gonna flow any differently unless the inlet gets bigger. The design on a square bing air box is such that you have to use the box to mount the filter. If you truly want more flow, open up or drill another hole in your box because that's where 100% of your air is coming from, and the diameter of the filter won't mean squat. I'm guessing this is for some crazy euro square bing we've never seen. It won't HURT you to get this, but by itself it won't help you either.
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Fits! Breaths good!!
May 1, 2023
taco eater :
Nathaniel Westveer from United States
If you own a moped with a stock Sachs engine/ air filter box, you may have faced difficulty in finding an aftermarket air filter that fits properly because of the choke being directly attached to the air filter box. Fortunately, I found a solution with this air filter. It fits perfectly and provides better airflow than the original filter. Installation was a breeze and straightforward, and the product has held up well so far. I highly recommend giving this product a try if you're in a similar situation with your moped. Special thanks to Treat Land for saving the day once again!
Use your head folks 
Fits! Breaths good!!