TOHATSU NB-1000 Service Manual page 128

SECTION 5
8
Adjusting Link Rods
1. Prior to adjusting ignition timing, adjust Link Rods 5-60L and 5-65L
to the following specifications depending on model being serviced:
r r r r of Link Rod
9.9C
9.9D
9.9D
2
15C
15D
15D
2
18D
18E
18E
2
7
Adjusting Sliding Motion of Advancer Arm
1. Using the M8 nylon nut of the advancer arm, adjust so that the
throttle grip can be operated lightly and the grip does not return to
its original position when you release your hand
After making adjustments, confirm that the ad-
vancer arm move firmly and smoothly. Always
tighten the adjusting nut after adjustments
Model
9.9C & D
9.9D
2
15C & D
15D
2
18D & E
18E
2
7 8
Adjusting when Throttle is Fully - Open
1. Rotate the throttle grip fully toward the FAST side. (With advancer
arm nearest the top stopper bolt.)
2. Adjust as shown in the preceding table using the link rod 5-65L
(3) so that the timing mark (1) of the magneto coil plate and the
ignition timing inspection line (crankcase mating surface) are in
alignment.
3. Adjust the stopper bolts so that the advancer arm (5) touches the
stopper bolt (fully-open adjustment).
5-10
5-60L
2.83-2.87 in
(72 - 73 mm)
2.83 - 2.87 in
(72 - 73 mm)
CAUTION
Ignition Timing
ATDC 3° - BTDC 22°
ATDC 3° - BTDC 20°
ATDC 3° - BTDC 22°
ATDC 3° - BTDC 25°
ATDC 3° - BTDC 25°
ATDC 3°- BTDC 25°
5-65L
2.95 in 8
(75 mm)
3.07 in
(78 mm)
T2003
1-/ 2-Cylinder