Yamaha F30 User Manual (English)

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Maintenance

Polish”.

EMU28446

Flushing power unit

Perform this procedure right after operation

for the most thorough flushing.

NOTICE

ECM01531

Do not perform this procedure while the

engine is running. The water pump may

be damaged and severe damage from

overheating can result.

1. After shutting off the engine, unscrew

the garden hose connector from the fit-

ting on the bottom cowling.

2. Screw the garden hose adapter onto a

garden hose, which is connected to a

fresh water supply, and then connect it

to the garden hose connector.

3. With the engine off, turn on the water tap

and let the water flush through the cool-

ing passages for about 15 minutes. Turn

off the water and disconnect the garden

hose adapter from the garden hose con-

nector.

4. Reinstall the garden hose connector

onto the fitting on the bottom cowling.

Tighten the connector securely.

NOTICE: Do not leave the garden

hose connector loose on the bottom

cowling fitting or let the hose hang

free during normal operation. Water

will leak out of the connector instead

of cooling the engine, which can

cause serious overheating. Be sure

the connector is tightened securely

on the fitting after flushing the en-

gine.

[ECM00542]

TIP:

 When flushing the engine with the boat in

the water, tilting up the outboard motor un-

til it is completely out of the water will

achieve better results.

 For cooling system flushing instructions,

see page 75.

EMU44342

Cleaning the outboard motor

When cleaning the outboard motor, the top

cowling must be installed.

1. Wash the exterior of the outboard motor

using fresh water. NOTICE: Do not

spray water into the air intake.

[ECM01841]

1. Fitting

2. Garden hose connector

3. Garden hose adapter

ZMU06415

6BG-9-3F-E0.book 79 ページ２０１８年１１月１日　木曜日　午後５時１分

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Yamaha F30 Specifications

General

Engine Type	4-Stroke, SOHC
Prop Shaft Horsepower	30 hp
Full Throttle RPM Range	5000-6000 rpm
Starting System	Electric
Gear Ratio	2.08:1
Lubrication	Wet sump
Gear Shift	F-N-R
Displacement	747 cc
Fuel Induction System	EFI (Electronic Fuel Injection)
Ignition System	TCI
Shaft Length	15 in, 20 in
Steering	Remote
Bore x Stroke	65.0 mm x 75.0 mm (2.6 x 3.0 in.)