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SPEC
Lower unit (55D, 75A models)
Item
Gear backlash
Pinion-to-forward gear
Pinion-to-reverse gear
Pinion gear shims
Forward gear shims
Reverse gear shims
Electrical (55D, 75A models)
Item
Ignition and ignition control
system
Spark plug gap
Spark plug cap resistance
Ignition timing (full retarded)
Ignition timing (full advanced)
Ignition coil resistance
Primary coil (B/W–B)
at 20°C (68°F)
Secondary coil
(B/W–spark plug wire)
at 20°C (68°F)
CDI unit output peak voltage
(B/W–B)
at Cranking (loaded)
at 1,500 r/min (loaded)
at 3,500 r/min (loaded)
Pulser coil output peak voltage
(W/R–W/Y, W/B–W/G)
at Cranking (unloaded)
at Cranking (loaded)
at 1,500 r/min (loaded)
at 3,500 r/min (loaded)
Pulser coil resistance
at 20°C (68°F)
(W/R–W/Y, W/B–W/G)
Thermoswitch
ON temperature
OFF temperature
Coil resistance and peak voltage are reference data.
Measuring conditions:
Ambient temperature 20°C (68°F).
2-7
Specification
Unit
mm (in)
mm (in)
mm
mm
mm
Unit
mm (in)
kΩ
Degree
Degree
Ω
kΩ
Ω
°C (°F)
°C (°F)
55DEHD
0.08–0.25 (0.0032–0.0098)
0.67–1.00 (0.0264–0.0394)
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
55DEHD
V
V
V
V
V
V
V
Model
75AEHD
75AED
Model
75AEHD
75AED
0.9–1.0 (0.035–0.039)
4.0–6.0
BTDC 1–3
BTDC 21–23
0.18–0.24
3.26–4.88
130
150
150
6.0
4.0
8.0
14.0
256–384
84–90 (183–194)
60–74 (140–165)
75AET
75AET
6885J11
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