Honda FOURTRAX FOREMAN 4X4 TRX500FM 2009, Owner'S Manual

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unleaded
86 (or higher) type
pump octane number
107
Fuel Recommendation
Servicing Your Honda
Fuel
Saf ety Precautions Refer to on page .
Never use stale or contaminated gasoline or an oil/gasoline mixture.
Avoid getting dirt, dust, or water in the fuel tank.
If pinging or spark knock occurs at a steady engine speed under normal
load, change brands of gasoline. If pinging or spark knock persists,
consult your Honda dealer.
Use of lower octane gasoline can cause persistent ‘‘pinging’’ or ‘‘spark
knock’’ (a loud rapping noise) which, if severe, can lead to engine
damage. Light pinging experienced while operating under a heavy load,
such as climbing a hill, is no cause for concern.
Your engine is designed to use any gasoline that has a pump octane
number of 86 or higher. Gasoline pumps at service stations normally
display the pump octane number. For information on the use of
oxygenated fuels, see page
.
The use of leaded gas will damage the catalytic converter.
Use only unleaded fuel because it produces fewer engine deposits and
extends the life of exhaust system components.
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