Yamaha 30D - Page 50

2-9
SPEC
E
MAINTENANCE SPECIFICATIONS
CDI unit output peak voltage
(B/O – B, B/W – B, B/Y – B)
@ cranking 1* V 4.5
@ cranking 2* V 190
@ 1,500 r/min V 185
@ 3,500 r/min V 105
Spark plug gap mm (in) 0.9 ~ 1.0 (0.035 ~ 0.039)
IGNITION CONTROL SYSTEM
Engine speed limiter r/min 5,800 ~ 6,200
Overheat speed control r/min 1,600 ~ 2,400
CHARGING SYSTEM
Lighting coil output peak voltage
(G – G)
Loaded
@ cranking 1* V 4.0
@ 1,500 r/min V 12.0
@ 3,500 r/min V 25
Open circuit
@ cranking 2* V 4.0
@ 1,500 r/min V 18.0
@ 3,500 r/min V 30
Rectifier output peak voltage
(R – B)
Open circuit
@ cranking 2* V 3.5
@ 1,500 r/min V 12.0
@ 3,500 r/min V 20
Charging current (minimum) A @ 3,000 r/min 3
Charging current (maximum) A @ 5,500 r/min 5 ~ 7
POWER TRIM AND TILT (PTT)
Fluid type ATF, Dexron II
Rating Second 60
Brush
Length mm (in) 6 (0.24)
Wear limit mm (in) 3 (0.12)
Commutator
Diameter mm (in) 16.5 (0.65)
Wear limit mm (in) 15.5 (0.61)
Item Unit
Model(s)
25hp 30hp
* Cranking 1: Open circuit.
Cranking 2: Related parts are connected.