Analog Tachometer Dimensions; Pole Number Set Up - Yamaha 2CMH Rigging Manual

ANALOG TACHOMETER

ANALOG TACHOMETER DIMENSIONS

3-indicator for 250G & L250G
11.2 (0.44) 65 (2.56)

POLE NUMBER SET UP

Yamaha tachometer shows the engine RPM by receiving the pulse signal from lighting coil.
The flywheel magneto used on Yamaha outboard motors varies in number of poles used: 4-pole, 6-
pole and 12-pole.
It is necessary to adjust the calibration switch on the back of gauge to correspond to the particular
motor being used.
The initial setting is 12-pole. Adjust if necessary.
Description
4-pole 6 – 15, 40G, 40J, 55B, E40G, E40J, E48C, E55C, EK40G, EK40J
20D (20), 25N (25), 25B, 30D, 30H, 40X, 40V, 40Y, 50H (50), 60F
6-pole
70B (70), E25B, EK25B, E30H, E40X, E60H, F6 – F9.9 [6AU]
12-pole 55D, 75A, 75C, 85A, 90A (90), V4, V6, E60J, E65A, E75B, F15 [6AG] – F250 [6P2]
POLE NUMBER ADJUSTMENT
1. Remove the rubber grommet (1) from the back
of meter.
2. Turn the rotating switch (2) with a slotted-head
screwdriver to the required position.
3. Reinstall the grommet.
mm (in.)
200 (7.87)
200 (7.87)
Y B
R G
28.9 (1.14)
2-indicator for 4-stroke and oil injected
2-stroke engines (except 250G & L250G)
11.2 (0.44) 65 (2.56)
Applicable model
5-6
mm (in.)
200 (7.87)
200 (7.87)
Y
Br
P
B
R X
P
28.9 (1.14)