Service - 98 420sx Operator’s Manual
Recommended Lubricants/Service Key
Engine Oil Selection Chart
Incorrect procedures could result in death, injury, or property damage.
Learn to use equipment correctly.
NOTICE:
• Unless otherwise instructed, all service should be performed with engine off, frame lock engaged,
plow lowered and trencher lowered.
• Refer to engine manufacturer’s manual for engine maintenance instructions.
Select oil based on ambient temperature range expected before next oil change.