2011 YAMAHA GRIZZLY 550 octane

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Page 45 of 170

YAMAHA GRIZZLY 550 2011  Owners Manual 4-17
4 expands when it heats up, heat from the en-
gine or the sun can cause fuel to spill out of
the fuel tank.3. Wipe up any spilled fuel immediately.
NOTICE: Immediately wipe off spilled fuel
with

Page 46 of 170

YAMAHA GRIZZLY 550 2011  Owners Manual 4-18
4Your Yamaha engine has been designed to use
regular unleaded gasoline with a research octane
number of 91 or higher. If knocking (or pinging) oc-
curs, use a gasoline of a different brand. Use o