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Yamaha F40BWHD - Electrical

Yamaha F40BWHD
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SPEC
2-8
MAINTENANCE SPECIFICATIONS
E
ELECTRICAL
Item Unit
Model
Worldwide
F40BMHD, WHD F40BED, F40BET
USA, Canada
F40MH F40ER, F40TR
IGNITION SYSTEM
Ignition timing Degree
(BTDC)
5 - 28
Charge coil output peak
voltage
(G/W-W/G)
@ cranking 1* V 193
@ cranking 2* V 193
@ 1,500 r/min V 194
@ 3,500 r/min V 194
Pulser coil output peak
voltage
(R-W)
@ cranking 1* V 6
@ cranking 2* V 6
@ 1,500 r/min V 18
@ 3,500 r/min V 35
CDI unit output peak voltage
(B/W-O)
@ cranking 1* V 151
@ cranking 2* V 100
@ 1,500 r/min V 123
@ 3,500 r/min V 161
Spark plug gap mm (in) 0.9 (0.04)
Charge coil resistance
(W/G-G/W)
660 - 710
Pulser coil resistance 300 - 350
Ignition coil resistance
Primary 0.17 - 0.25
Secondary k 2.7 - 3.7
* Cranking 1: Open circuit
Cranking 2: Related parts are connected.

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