2009 Yamaha Motorsports V Star 250 Owners Manual - Page 23
2009 Yamaha Motorsports V Star 250 Manual
Page 23 highlights
INSTRUMENT AND CONTROL FUNCTIONS EAU13581 Fuel cock This model is equipped with a negative pressure fuel cock. The fuel cock supplies fuel from the tank to the carburetor while also filtering it. The fuel cock lever positions are explained as follows and shown in the illustrations. ON RES PRI 1. Arrow mark positioned over "RES" 1. Arrow mark positioned over "PRI" 4 1. Arrow mark positioned over "ON" With the fuel cock lever in this position, fuel flows to the carburetor when the engine is running. Turn the fuel cock lever to this position when starting the engine and riding. This indicates reserve. With the fuel cock lever in this position, the fuel reserve is made available. Quickly turn the fuel cock lever to this position if you run out of fuel while riding, otherwise the engine may stall and will have to be primed (see "PRI"). After turning the fuel cock lever to "RES", refuel as soon as possible and be sure to turn the fuel cock lever back to "ON"! This indicates prime. With the fuel cock lever in this position, the engine can be "primed". Turn the fuel cock lever to this position when the engine has been allowed to run out of fuel. This sends fuel directly to the carburetor, which will make starting easier. After the engine has started, be sure to turn the lever to "ON" (or "RES" if you have not refueled yet). 4-7