Ignition Timing; Ignition Coil; Spark Plug; Unit - Yamaha ET300G Service Manual

Chassis
Frame:
Material Aluminum + Stee l
Steering system:
Caster (ski column)
25°
Camber
00
Ski length x width x thickness 980
X
120
X
1.6 mm (38.6
X
4 .7
X
0.06 in)
Ski stance
800 mm (31. 5 in)
Ski toe-out
0
~
6 mm (0
~
0 .23 in)
Steering linkage type Tie-rod
Lock to lock angle (ski) Right ski, L: 27.6° R: 24 .8°
Left ski,
L: 24.8° R: 27.6°
Lock to lock angle (steering column) Right : 54 .3°
Left: 56 .3°
Front suspension:
Type
Leaf spring
Damper type Oil damper
Fuel tank:
Capacity 22.7 L (5 Imp gal, 6 US gal)
Fuel grade Regular gasoline
Electrical
Ignition system :
Type- flywheel magnet o (C. D. I. type)
Model/Manufacturer F3T352/M ITSUB ISH I
Voltage 12V
Pulser coil resistance 15. 1S1 at 20°C (68° F) (White/Red - Black)
Charging coil resistance 590Q at 20°C (68° F) (Brown - Black)
Ignition timing:
B.T .D.C.
1.6
±
0.1 mm (0.063
±
0.004 in)
Ignition coil:
Model/Manufacturer CM62-21 /HITACHI YW-51/TOYODEN SO
Spark gap
9 mm (0.4 in)/300 r/min
+-
11 mm (0.6 in)/3,000 r/min
+-
Primary winding resistance 0 .15Q at 20°C (68°F) 0 .12Q at 20°C (68°F)
Secondary winding resistance 3.6 kQ at 20°C (68°F)
4.0 kQ at 20° C (68° F)
Diode (Yes or No) No
+-
Spark plug:
Type & quantity NGK BR9ES x 2 pes.
Spark plug gap 0. 7
~
0 .8 mm (0.028
~
0.031 in)
Spark plug cap:
Type
Rubber type with noise suppressor
Noise suppressor resistance 5.5 kQ at 20°C (68°F)
C.D.I. unit:
Model /Manufacturer 8N4-20/M ITSUB ISH I
Lighting syst em:
Lighting output 12V-100W
Lighting coil resistance 0.19Q at 20°C (68° F) (Yellow - Bl ack)
Head I ight type
Semi shield
Bulb wattage/q'ty 12V-60/60W x 1 pc.
Tail/stop light wattage 12V-8W/23W
A .C. regulator:
Model/Manufacturer TRIZ-50/HITACHI or S8516B/TOSHIBA
Voltage
13.8
±
0 .5V
7-4