Yamaha 2004 Royal Star Venture Owner's Manual download pdf (Page 27)

INSTRUMENT AND CONTROL FUNCTIONS

3-11

3

CAUTION:

ECA10070

Immediately wipe off spilled fuel

with a clean, dry, soft cloth, since

fuel may deteriorate painted surfac-

es or plastic parts.

EAU13300

CAUTION:

ECA11400

Use only unleaded gasoline. The use

of leaded gasoline will cause severe

damage to internal engine parts,

such as the valves and piston rings,

as well as to the exhaust system.

Your Yamaha engine has been de-

signed to use regular unleaded gaso-

line with a pump octane number

[(R+M)/2] of 86 or higher, or a research

octane number of 91 or higher. If

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-

ing 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.

EAU13550

Fuel cock

The fuel cock supplies fuel from the

tank to the carburetors while also filter-

ing it.

The fuel cock lever positions are ex-

plained as follows and shown in the il-

lustrations.

OFF

With the fuel cock lever in this position,

fuel will not flow. Always turn the fuel

cock lever to this position when the en-

gine is not running.

Recommended fuel:

UNLEADED GASOLINE ONLY

Fuel tank capacity:

22.5 L (5.94 US gal) (4.95 Imp.gal)

Fuel reserve amount:

3.5 L (0.92 US gal) (0.77 Imp.gal)

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