Yamaha F2.5C, Service Manual

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8
9
a
Propeller diameter (in inches)
b
Propeller pitch (in inches)
c
Propeller type (propeller mark)
Selection
When the engine speed is at the full throttle
operating range (5,000–6,000 r/min), the
ideal propeller for the boat is one that pro-
vides maximum performance in relation to
boat speed and fuel consumption.
Predelivery checks
1
To make the delivery process smooth and
efficient, the predelivery checks should be
completed as explained below.
Checking the fuel system
1. Check that the fuel hoses are securely
connected and that the fuel tank is full
with fuel.
CAUTION:
This is a 4-stroke engine. Never use pre-
mixed fuel.
Checking the engine oil level
1. Check the engine oil level.
NOTE:
If the engine oil is below the minimum level
mark
b
, add sufficient oil until the level is
between
a
and
b
.
Checking the gear oil level
1. Check the gear oil level.
Propeller size (in) Material
9 7/8
×
8 - F
Aluminum
9 7/8
×
9 - F
9 7/8
×
10 1/2 - F
9 7/8
×
11 1/4 - F
9 7/8
×
12 - F
9 7/8
×
13 - F
9 7/8
×
14 - F
Recommended engine oil:
4-stroke motor oil
API: SE, SF, SG, SH, or SJ
SAE: 10W-30 or 10W-40
Oil quantity:
With oil filter replacement:
1.9 L (2.0 US qt, 1.7 Imp qt)
S60V1290
Identification / Propeller selection / Predelivery checks