7-28 SERVICING INFORMATION
ELECTRICAL
ITEM
SPECIFICATION
E-03, 28
Main jet (M.J.) #102.5
Jet needle (J.N.) 5HGM74-1
Needle jet (N.J.) N-6M
Throttle valve (Th.V.) #2.5
Pilot jet (P.J.) #17.5
Pilot screw
(P.S.)
PRE-SET
(2 ! turns back)
Throttle cable play 2.0 – 4.0 mm
(0.08 – 0.16 in)
ITEM SPECIFICATION NOTE
Spark plug
Type
DENSO: X24ESR-U
NGK: DR8EA
Gap
0.6 – 0.8 mm
(0.024 –0.031 in)
Spark performance Over 8 mm (0.3 in) at 1 atm.
Ignition coil resistance
Primary 0.1 – 0.8 Ω
ΩΩ
Ω
W/Bl –
B/W
Secondary 13 – 18 kΩ
ΩΩ
Ω
Plug cap –
W/Bl
Generator coil resistance Charging 13 – 22 Ω
ΩΩ
Ω Y – Y/R
Pick-up coil 140 – 230 Ω
ΩΩ
Ω G – B/W
Pick-up coil peak voltage More than 2.0 V
+: G,
-: B/W
Ignition coil primary peak voltage More than 150 V
+: B/W,
-: W/Bl
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