Yamaha F6BMH User Manual

LOWER UNIT
LOWER UNIT
CHECKING THE GEAR OIL LEVEL
Check:
 Gear oil level
Level is low
 Add gear oil to the
proper level
CHANGING AND CHECKING THE GEAR
OIL LEVEL
1. Check:
 Gear oil
Milky oil
 Replace the oil seal.
Slug oil
 Check the gears,
bearings, and clutch dog.
Checking steps:
(1)Tilt up the outboard slightly.
(2)Place a container under the gear oil
drain screw 1.
(3)Remove the gear oil drain screw 1
and gear oil level check screw 2.
2. Fill
 Gear oil
(with the specified amount of the
recommended gear oil.)
Filling steps:
(1)Place the outboard in an upright
position.
(2)Insert the gear oil tube into the drain
hole and slowly fill the gear oil until oil
flows out of the check hole and no air
bubbles are visible.
(3)Install the gear oil level check screw 2
and then quickly install the gear oil
drain screw 1.
Recommended gear oil
GEAR CASE LUBE (USA) or Hypoid
gear oil, SAE #90
Oil capacity:
150 cm
3
(5.07 US oz, 5.28 lmp oz)
Gear oil level check screw:
7 N
 m (0.7 kgf  m, 5.1 ft  lb)
Gear oil drain screw:
7 N
 m (0.7 kgf  m, 5.1 ft  lb)
3-20

Yamaha F6BMH Specifications

General

Max Output	6 hp
Starting System	Manual
Gear Ratio	2.08:1
Fuel Induction System	Carburetor
Ignition System	CDI
Lubrication	Wet Sump
Oil Injection	No
Engine Type	4-Stroke, SOHC
Weight	27 kg
Prop Shaft Horsepower	6 hp
Full Throttle RPM Range	5, 000 - 6, 000 rpm
Shaft Length	15 in
Steering	Tiller
Full Throttle Operating Range	5, 000 - 6, 000 rpm