Lower Unit (85A Models) - Yamaha 55DEHD Service Manual

Lower unit (85A models)

Item
Gear backlash
Pinion-to-forward gear
Pinion-to-reverse gear
Pinion gear shims
Forward gear shims
Reverse gear shims
Electrical (85A 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).
6885J11
Unit
85AEHD
mm (in) 0.08–0.25 (0.0032–0.0098)
mm (in) 0.67–1.00 (0.0264–0.0394)
mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
Unit
85AEHD
mm (in)
kΩ
Degree
Degree
Ω
kΩ
V
V
V
V
V
V
V
Ω
°C (°F)
°C (°F)
Maintenance specification
Model
85AED
Model
85AED
0.9–1.0 (0.035–0.039)
4.0–6.0
BTDC 1–3
BTDC 23–25
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)
85AET
1
2
3
85AET
4
5
6
7
8
9
2-12