Yamaha YS928J Owner's Manual page 49

PERIODIC MAINTENANCE
1. Transmission (HST) oil reservoir
2. Oil reservoir cap
3. Maximum level mark "UPPER"
4. Minimum level mark "LOWER"
NOTICE
• Make sure that no foreign material
such as dirt enters the oil reservoir
during refilling.
• Use the recommended transmis-
sion (HST) oil only.
Recommended transmission (HST) oil:
Diesel engine oil
10W-30, Class CD or higher
4. Install the diaphragm so that its notch
is aligned with the notch on the trans-
mission (HST) oil reservoir, and then
tighten the oil reservoir cap securely.
1. Alignment mark
2. Diaphragm
3. Oil reservoir cap
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