OWNER’S MANUAL & COMPETITION HANDBOOK - Page 42

For 2013 CRF450X.

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Servicing Your Honda 41
Fuel System
Refer to Safety Precautions on page 25.
Fuel Recommendation
Type Unleaded
Pump Octane Number 91 (or higher)
Use only unleaded fuel in your Honda. If you
ride your Honda in a country where leaded fuel
might be available, take precautions to use only
unleaded fuel.
Your engine is designed to use any unleaded
gasoline that has a pump octane number of 91
or higher. Gasoline pumps at service stations
normally display the pump octane number. For
information on the use of oxygenated fuels, see
page 166.
Use of lower octane gasoline can cause persistent
“pinging” or “spark knock” (a louder 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.)
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 dealer.
Never use stale or contaminated gasoline. Avoid
getting dirt, dust, or water in the fuel tank.
Refueling Procedure
Fuel Tank Capacity: 1.90 US gal (7.2 ℓ)
(2)
(1)
(3)
(1) fuel fill cap
(2) breather tube
(3) steering stem nut
1. To open the fuel fill cap (1), pull the breather
tube (2) out of the steering stem nut (3). Turn
the fuel fill cap counterclockwise and remove it.
2. Add fuel until the level reaches the bottom
of the filler neck. Avoid overfilling the tank.
There should be no fuel in the filler neck.
3. Close the fuel fill cap by turning the cap
clockwise and insert the breather tube in the
steering stem nut.
Gasoline is highly flammable and
explosive. You can be burned or seriously
injured when handling fuel.
Stop the engine and keep heat, sparks
and flame away.
Handle fuel only outdoors.
Wipe up spills immediately.
WARNING
Fuel Line
(1)
(1)
(1) fuel line
1. Check for leaks.
2. Check the fuel line (1) for cracks,
deterioration, damage, or leakage. Replace
the fuel line, if necessary.
3. Check for interference between the frame and
tank and adjust if necessary.
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