Mercury 4C Instruction Manual page 43

Models
Ignition
system
Spark plug
Trim position
Gear oil
Fuel tank
capacity
Gear
reduction ratio
* In case of dual fuel tank system, use together with 12 L
separate tank.
eng
GENERAL INFORMATION
4C
Mercury/Quicksilver gear oil or API GLS, SAE #80 to #90,
2.5 L (0.66 US gal)
4.9
Flywheel magneto CDI
NGK BPR7HS‑10
6
approximately 195 mL (6.6 fl oz)
2.5 L
(0.66 US gal)
2.15 (13:28)
35
5B‑D
2.5 L (0.66 US gal),
12 L (3.17 US gal)*