Service manual
Table Of Contents

G420F(FE) Service Manual Chapter 2. Recommended Maintenance 17
Engine Oil Classification
Recommended API classification: Above SJ
Recommended SAE viscosity classification
The following lubricants should be selected for all
engines to enhance excellent performance and
maximum effect.
1. Observe the API classification guide.
2. Proper SAE classification number should be
selected within ambient temperature ranges. Do
not use the lubricant with SAE classification
number and API grade not identified on the
container.
*1. 10W-30 engine oil is recommended
If 10W-30 is not applicable, proper engine oil will be possible according to temperature ranges.