Yamaha F200B - Outboard Motor Mounting Height

3-8
3
5. Apply sealant to the mounting holes and
secure the outboard motor using the
included mounting bolts 2, small wash-
ers 3, large washers 4, and nuts 5.
NOTICE: Make sure that there is no
clearance between the surfaces of the
boat transom and the clamp brackets.
Otherwise, the clamp brackets or boat
transom may be damaged.
TIP:
The second hole from the top of each clamp
bracket is recommended for the upper
mounting bolt.
6. Install the mounting bolts, and then
tighten the nuts firmly. NOTICE: Make
sure that the clamp brackets do not
bite into the boat transom.
7. Tighten the locknuts firmly.
Outboard motor mounting height
4-stroke engines are heavier than 2-stroke
engines of the same horsepower. Therefore,
if a 2-stroke outboard motor is replaced with
a 4-stroke outboard motor, the boat will
become “stern heavy.” Also, the water line
will rise and become closer to the power unit.
If the water line is too close to the power
head, poor engine performance could result,
and water could enter the cylinders and dam-
age the engine.
When mounting a 4-stroke outboard motor to
a boat, make sure that the mounting height
between the water surface and the clamp
bracket seating point is not less than the
specified minimum mounting height a. Mea-
sure the mounting height when the boat is
moored and carrying the maximum load.
Boat transom
thickness (D)
Mounting bolt
65–75 mm
(2.56–2.95 in)
M12 × 130 mm
(5.12 in)
75–95 mm
(2.95–3.74 in)
M12 × 150 mm
(5.91 in)
2
3
3
4
5
D
5
2
3
3
4
5
2
3
3
4
Minimum mounting height a:
100 mm (3.9 in)
a
Outboard motor mounting / Outboard motor mounting height