Honda XR250R Owner's Manual page 32

Engine Oil Recommendation
USE HONDA 4-STROKE OIL OR
AN EQUIVALENT
Use only high detergent, premium quality
motor oil certified to meet US automobile
manufacturers' requirements
Classification SE or SF.
Motor oils intended for Service SE or SF will
show this designation on the container. The
use of special oil additives is unnecessary and
will only increase operating expenses.
CAUTION:
Engine oil is a major factor affecting the
*
performance and service life of the engine.
Non-detergent, vegetable or castor based
racing oils are not recommended.
26
Recommended Oil Viscosity
Other viscosities shown in the chart below
may be used when the average temperature in
your riding area is within the indicated range.
for Service
SAE low-40/SAE 20W-50