5-4-25
SPARK
PLUG
(1)
Install spark plug
to
the cylinder head.
Spark plug
:
CHAMPION L86C
I
Tightening
torque
1
________~~~
~~~
New spark plug
22.6-26.5 N*m
1
1.8-1
4.7
N-m
Retightening
I
120-1
50
kgocm
I
230-270
kg-cm
I
L
8.7-1
0.9
ft*lb
16.6-1
9.5
fblb
(2)
Connect spark plug cap to the spark plug.
5-4-26 ENGINE
OIL
After complete reassembly, turn the engine over and pull the recoil starter
to
check for any abnormal
conditions or loose fitting parts.
Review and check wiring.
Fill crankcase with correct grade of oil. (See page
59,
"OIL
GRADE CHART
")
Crankcase oil capacity
:
500cc
5-4-27
CHOKE
AND
SPEED ADJUSTMENT
(1)
Start the engine. (Operate the engine without load.)
(2)
In order to fix the position
of
the speed control lever, insert a philips screw driver into the hole (A)
of
(3)
Loosen the adjusting screw on the speed control lever.
(4)
Check the engine speed by a tachometer or a revolution counter.
the speed control lever through the hole of the speed control bracket.
Correct engine speed
is
3350
r.p.m.
become
3350
r.p.m.
In order to reduce the engine speed move the speed control bracket -to the left.
(5)
Loosen the bolts
(B)
and (C), Move the speed control bracket to the position where the engine speed
(6)
After adjusting the engine speed, re-tighten the two bolts
(B)
and
(C)
to
fix the bracket.
(7)
Tighten the adjusting screw until it contacts the choke lever.
CHOKE
LEVER
A
ROD
SPRING
\
\
\
SPEED
CONTROL
LEVER
SCREW
(PAN
HEAD)
LOW
SPEED
When speed control bracket
is
moved
in
the direction
of
the
arrow,.
engine speed
B
n"L
is
reduced.
Fig.
5-47
-39
-
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