TOHATSU NB-1000 Service Manual page 43

SECTION 2
Model 9.9/15/18, 25/30 and 40
Throttle Setting
Engine
9.9D
9.9D
2
15D
15D
2
18E
18E
2
25C
2
25C
3
30A
3
30A
4
40
9.9/15/18, 25/30 and 40 Adjustment Procedure
1. Rotate the throttle grip to the FAST side until the throttle stops
2. Adjust ignition timing link so that the timing full open match
5
mark is aligned with the fitting line (Crankcase Mating Surfaces).
3. Adjust the stopper bolt so that the advancer arm touches the full
6
open stopper bolt when throttle is fuIIy opened.
2-34
Full Open
Match Mark Target RPM
BTDC 22° 4500 - 5300
BTDC 20° 4500 - 5300
BTDC 22° 4750 - 5500
BTDC 25° 5200 - 5800
BTDC 25° 4750 - 5500
BTDC 25° 5200 - 5800
BTDC 20° 4800 - 5500
BTDC 25° 5000 - 6000
BTDC 25° 4800 - 5500
BTDC 25° 5150 - 5850
BTDC 25° 5200 - 5800
Full Closed (In Gear)
Match Mark Target RPM
ATDC 3°
ATDC 3°
ATDC 3°
ATDC 3°
ATDC 3°
ATDC 3°
ATDC 2°
ATDC 4°
ATDC 2°
ATDC 4°
ATDC 2°
5
800
800
800
800
800
800
900
900
900
900
850
T1972
T1973
1-/ 2-Cylinder