Click here to see important news regarding the aCar App

Yamaha XS400 MPG

4 Yamaha XS400s have provided 7 thousand miles of real world fuel economy & MPG data.
Click here to view all the Yamaha XS400s currently participating in our fuel tracking program.

Tips

Install a warm air intake.

Computerized engines maintain a narrow range of fuel mixture... ...

by GraeSack

Read more tips