Yamaha 150A - Electrical

2-13
SPEC
E
MAINTENANCE SPECIFICATIONS
ELECTRICAL
Item Unit
Model
Oil injection
(and 225DET)
Pre-mix
(except for 225DET)
IGNITION SYSTEM
Ignition timing
Full retard Degrees ATDC 7
Full advance Degrees BTDC 19 (150A, L150A, 175A/C150TR)
BTDC 18 (200A, L200A)
BTDC 22 (150F, L150F, D150H, 175D, S175D/
D150TR, S175TR)
BTDC 23 (S150F, LS150F, 175F, 200G/
S150TR, L150TR, P175TR, P200TR)
BTDC 20 (150G, 200F, L200F/P150TR, 200TR)
BTDC 21 (S200F, LS200F, 225D/S200TR,
L200TR)
Piston position mm (in) 2.28 (0.09) (150A, L150A, 175A/C150TR)
2.05 (0.08) (200A, L200A)
3.05 (0.12) (150F, L150F, D150H, 175D,
S175D/D150TR, S175TR)
3.33 (0.13) (S150F, LS150F, 175F, 200G/
S150TR, L150TR, P175TR,
P200TR)
2.53 (0.10) (150G, 200F, L200F/P150TR,
200TR)
2.78 (0.11) (S200F, LS200F, 225D/S200TR,
L200TR)
CDI unit
Output peak voltage lower
limit (B/W – B)
@ cranking 1 V — —
@ cranking 2 V 130 65
@ 1,500 r/min V 145 140
@ 3,500 r/min V 145 135
Charge coil
Output peak voltage lower
limit (B/R – L)
@ cranking 1 V 40 30
@ cranking 2 V 55 30
@ 1,500 r/min V 165 160
@ 3,500 r/min V 165 170
(R – Br)
@ cranking 1 V 140 80
@ cranking 2 V 160 90
@ 1,500 r/min V 165 165
@ 3,500 r/min V 165 165
* Cranking 1: Open circuit voltage.
Cranking 2: Loaded circuit voltage.