Yamaha TT-R90(S), Owner'S Service Manual

Page: 358 / 364

6 - 20
– +
ELEC
CARBURETOR HEATING SYSTEM
CARBURETOR HEATER INSPECTION
1. Inspect:
●
Carburetor heater resistance
Out of specification
→
Replace.
Tester (+) probe
→
Carburetor heater terminal 1
Tester (–) probe
→
Carburetor heater body 2
Carburetor
heater resistance
Tester selector
position
6 ~ 10
Ω
at
20 ˚C (68 ˚F)
Ω ×
1
CDI MAGNETO INSPECTION
1. Inspect:
●
Lighting coil resistance
Out of specification
→
Replace.
Å
TT-R90
ı
TT-R90E
Tester (+) lead
→
Yellow lead 1
Tester (–) lead
→
Black lead 2
Lighting coil
resistance
Tester selector
position
TT-R90:
0.28 ~ 0.42
Ω
at
20 ˚C (68 ˚F)
TT-R90E:
0.52 ~ 0.78
Ω
at
20 ˚C (68 ˚F)
Ω ×
1
W
Y
B
W Sb
Y B
1 2
1
2
Å
ı