User Manual - Page 47

For 2017 CRF450X.

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Servicing Your Honda 43
Engine Oil
Refer to Safety Precautions on page 25.
Using the proper oil, and regularly checking,
adding, and changing oil will help extend the
service life of the engine. Even the best oil
wears out. Changing oil helps get rid of dirt and
deposits. Operating the engine with old or dirty
oil can damage your engine. Running the engine
with insufficient oil can cause serious damage to
the engine.
Oil Recommendation
API
classi cation
SG or higher except oils labeled
as energy conserving or resource
conserving on the circular API
service label
viscosity
(weight)
SAE 10W-30
JASO T 903
standard
MA
suggested oil* Pro Honda GN4 4-stroke oil (USA
& Canada), or Honda 4-stroke oil,
or an equivalent motorcycle oil*
* Suggested 4-stroke engine oils are equal
performance to SJ oils that are not labeled as
energy conserving or resource conserving on
the circular API service label.
Your CRF does not need oil additives.
Use the recommended oil.
Do not use API SH or higher 4-stroke
engine oils displaying a circular API “energy
conserving” or “resource conserving” service
label on the container. They may affect
lubrication.
NOT RECOMMENDED OK
Oil is a major factor affecting the performance
and service life of the engine.
Other viscosities shown in the following chart
may be used when the average temperature in
your riding area is within the indicated range.
17CRF450X31MEY710.indb43 2016/06/0811:45:38
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