Electrical - Yamaha F2.5A Service Manual

SPEC
Item
Connecting rod
Small end inside diameter
Big end inside diameter
Big end side clearance
Crankpin oil clearance
Crankshaft
Crankshaft journal diameter
Crankpin diameter
Crankpin width
Runout limit
Thermostat
Opening temperature
Fully open temperature
Valve open lower limit
Carburetor
ID mark
Main jet
Pilot jet
Pilot screw
Float height
Engine speed
Engine idle speed

Electrical

Item
Ignition system
Ignition timing
Ignition spark gap
Spark plug cap resistance
TCI unit air gap
TCI unit resistance
Primary coil
Secondary coil
(W – spark plug wire)
2-5
Specifications
Unit
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
°C (°F)
°C (°F)
mm (in)
#
#
Turns out
mm (in)
r/min
Unit
Degree
mm (in)
kΩ
mm (in)
Ω
(W – B)
kΩ
Model
F2.5AMH
12.006–12.020 (0.4727–0.4732)
24.000–24.015 (0.9449–0.9455)
0.2–0.6 (0.008–0.024)
0.016–0.046 (0.0006–0.0018)
21.980–21.993 (0.8654–0.8659)
23.969–23.984 (0.9437–0.9443)
21.0–21.1 (0.827–0.831)
0.01 (0.0004)
48–52 (118–126)
60 (140)
3 (0.12)
69M00
69M20
62
37
2–3
10.5–11.5 (0.413–0.453)
1,800–2,000
Model
F2.5AMH
BTDC 30
7 (0.28)
4.0–6.0
0.4–0.6 (0.016–0.024)
0.56–0.84
11.6–17.4
69M3E11