INSTRUMENT AND CONTROL FUNCTIONS
knocking (or pinging) occurs, use a gasoline of a different brand or premi- um unleaded fuel. Use of unleaded fuel will extend spark plug life and reduce maintenance costs.
Gasohol
There are two types of gasohol: gaso- hol containing ethanol and that contain-
3ing methanol. Gasohol containing ethanol can be used if the ethanol con- tent does not exceed 10%. Gasohol containing methanol is not recom- mended by Yamaha because it can cause damage to the fuel system or ve- hicle performance problems.
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Fuel tank breather hose
1
1. Fuel tank breather hose
Before operating the motorcycle:
●Check the fuel tank breather hose connection.
●Check the fuel tank breather hose for cracks or damage, and replace it if damaged.
●Make sure that the fuel tank breather hose is not blocked, and clean it if necessary.
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Fuel cock
The fuel cock supplies fuel from the tank to the carburetor while filtering it al- so.
The fuel cock has three positions:
OFF
1. Arrow mark positioned over “OFF”
With the lever in this position, fuel will not flow. Always return the lever to this position when the engine is not running.
