2012 YAMAHA GRIZZLY 550 octane

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Page 44 of 172

YAMAHA GRIZZLY 550 2012  Owners Manual 4-17
4expands 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 45 of 172

YAMAHA GRIZZLY 550 2012  Owners Manual 4-18
4
Your 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