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Electrical
WM 130/170/270 Repair
wc_tx000381gb.fm
92
11.5 WM 270 Ignition Coil Internal Circuit
11.6 Ignition Timing Characteristics
Ref. Description
Ref. Description
1
Primary coil
6
Revolution sensing resistor
2
Power transistor
7
Secondary coil
3
Low speed ignition timing control
circuit
8
Spark plug
4
Advancing control circuit
9
Base resistor
5
Control thyristor
Linear Advancing
Summary of Contents for WM 130
Page 1: ...5000192069 03 0313 5 0 0 0 1 9 2 0 6 9 Repair Manual Engine WM 130 WM 170 WM 270 EN...
Page 33: ...WM 130 170 270 Theory of Operation wc_tx000378gb fm 33 6 2 Cross Section Across Shaft...
Page 35: ...WM 130 170 270 Theory of Operation wc_tx000378gb fm 35 6 4 Cross Section Along Shaft...
Page 83: ...WM 130 170 270 Repair Sub Systems wc_tx000382gb fm 83 10 5 Carburetor Exploded View...
Page 113: ......