ChinaRiders Forums - View Single Post - Anyone know much about a Jianshe Flywing X100?

Weldangrind · 03-30-2015, 11:36 PM

Here's a pic of your existing exhaust pipe: http://www.ebay.com/itm/DIRT-BIKE-EX...item2c923f4b8b

It has a two-stroke expansion chamber, and then it necks down to a tiny little pipe, right where the muffler connects. That's how closely they copied the PW80, without realizing that a four stroke engine doesn't use an expansion chamber.

03-30-2015, 11:36 PM	#7
Weldangrind Join Date: Mar 2009 Location: Sardis, BC, Canada Posts: 25,977	Here's a pic of your existing exhaust pipe: http://www.ebay.com/itm/DIRT-BIKE-EX...item2c923f4b8b It has a two-stroke expansion chamber, and then it necks down to a tiny little pipe, right where the muffler connects. That's how closely they copied the PW80, without realizing that a four stroke engine doesn't use an expansion chamber. __________________ Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer
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