03-07-2002, 08:36 AM
My buddy has a '00 500 SXR that he bought used with 2400 miles on it. His girlfriend rides it on the easy side, so it's not like she's laying into it. Fuel mileage is 6 to 8 MPG. There is obviously something seriously wrong here. Does anyone know what the stock carb settings are for this sled? Main jets, screw turns, etc. Also, preload on the secondary and what holes the spring goes in to start off with. The sled is bone stock and seems to run fine. What do these things usually get for fuel economy? I want to help him, but know nothing about Yamahas.