Recording Serial Number; Engine Specifications - Mercury 5 HP FourStroke Propane Operation, Maintenance And Installation Manual

Recording Serial Number

It is important to record the engine's serial number for future reference. The
serial number is located on the outboard as shown.

Engine Specifications

Power
Full throttle RPM range
Idle speed
Number of cylinders
Piston displacement
Cylinder bore
Piston stroke
Valve clearance (cold)
Engine oil capacity
Recommended spark plug
Spark plug gap
Gearcase lubricant capacity
Gear ratio
Recommended fuel
Emission control system
Sound at drivers ear (ICOMIA 39‑94)
Tiller handle vibration (ICOMIA 38‑94)
eng
GENERAL INFORMATION
Parameter
Forward gear
Neutral
Intake valve
Exhaust valve
a -
a
68617
Specification
3.7 kw (5 hp)
5000–6000
1100–1300 RPM
123 cc (7.51 cid)
59 mm (2.32 in.)
45 mm (1.77 in.)
0.06–0.14 mm (0.002–0.005 in.)
0.11–0.19 mm (0.004–0.007 in.)
450 ml (15 fl oz)
NGK DCPR6E
0.9 mm (0.035 in.)
195 ml (6.6 fl oz)
Engine modification (EM)
9
Serial number
1100 RPM
1
2.15:1
Propane
82.2 bBA
7.3 m/s²