Honda CRF450R 2020, Owner'S Manual & Competition Handbook

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Engine Oil
62
Servicing Your Honda
Engine Oil
Refer to Important Safety Precautions on page 23.
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.
*
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.
Other viscosities shown in the following chart may
be used when the average temperature in your
riding area is within the indicated range.
JASO T 903 standard
The JASO T 903 standard is an index for engine
oils for 4-stroke motorcycle engines.
There are two classes: MA and MB.
Oil conforming to the standard is labeled on the oil
container. For example, the following label shows
the MA classification.
Oil Recommendation
API
classification 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
NOT RECOMMENDED RECOMMENDED
(1) oil code
(2) oil classification
(1)
(2)