Honda FOURTRAX RANCHER 2019 Owner's Manual page 143

Oil Recommendation
API classification
viscosity (weight)
JASO T 903
standard
Suggested oils are equal in performance to SJ oils that are not
*
labeled as energy conserving or resource conserving on the
circular API service label.
• Your ATV does not need oil additives. Use the recommended oil.
• Do not use oils with graphite or molybdenum additives. They may
adversely affect clutch operation.
• Do not use API SH or higher oils displaying a circular API "energy
conserving" or "resource conserving" service label on the
container. They may affect lubrication and clutch performance.
• Do not use non-detergent, vegetable, or castor based racing oils.
Engine Oil & Filter
SG or higher except oils labeled as
*
energy conserving or resource
conserving on the circular API
service label
SAE 10W–30
MA
NOT
RECOMMENDED
RECOMMENDED
Servicing Your Honda 133