Lower; Electrical - Yamaha F4 Service Manual

SPEC

LOWER

Item
TEST PROPELLER
Test propeller
Specific revolution

ELECTRICAL

Item
IGNITION SYSTEM
Ignition timing
T.C.I. system output peak voltage
(W-B)
@ cranking (300 r/min) open
T.C.I. air gap
Spark plug gap
Spark plug cap resistance
(with resister type)
Ignitor ass'y resistance
Primary coil (W-B)
Secondary coil (W-Hi-tension cord)
MAINTENANCE SPECIFICATIONS
Unit
Parts No.
r/min
Unit
Degree
V
mm (in)
mm (in)
k½
½
k½
YB-1630/90890-01630
5,250~5,450
BTDC 28~32
0.4~0.6 (0.016~0.023)
0.6~0.7 (0.024~0.028)
11.60~17.40
2-6
Model
F4A/F4
Model
F4A/F4
126
4.0~6.0
0.56~0.84
E