5-7
DIGITAL TACHOMETER
A tachometer is essential for proper outboard performance.
The engine speed can be monitored to obtain most efficient operation.
In twin engine applications, the tachometers can be used to set the throttle of each engine accu-
rately.
The digital tachometer includes the elapsed hour meter, the trim meter and the oil warning indicator.
Also, this meter can be used for both 2 and 4 stroke models by switching the settings.
DIGITAL TACHOMETER APPLICATIONS
(*1) Mechanical RC
* If the current tachometer does not fit the older engine, use the wire-harness adapter which is shown on page
5-44.
DIGITAL TACHOMETER DIMENSIONS
Ref. No. Description Part No. Applicable model
1 Multifunction 6Y5-8350T-04 250G,L250G
2
Multifunction w/o “Check engine”
and “Water in fuel” indicators
6Y5-8350T-91
Above 40 (3-cyl) w/ oil injection & PTT (except
250G/L250G), Above F30 w/ PTT
(*1)
12
1
2
3
4
5
TACH
x
100
r/min
set mode
h
1
2
3
4
5
TACH
x
100
r/min
set mode
h
97 (3.82)
8.5 (0.33) 25 (0.98)
65.5 (2.58)
210 (8.27)
190 (7.48)
84.5 (3.33)
97 (3.82)
8.5 (0.33) 25 (0.98)
65.5 (2.58)
84.5 (3.33)
210 (8.27)
W
R
G
R
L
W
G
W
B
W
Or
Gy P
G
R
G
W
GyP
mm (in.)mm (in.)
1. With twin 4-pin couplers (No.1) 2. With single 4-pin coupler (No.2)
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