BFlSDsBF20D
CYLINDER
COMPRESSION
CHECK
1)
Shift the gear into the neutral position.
2)
Disengage the emergency stop switch clip from the emer-
3)
Remove the engine cover and the both spark plugs.
4)
Install a compression gauge in the
No.
1
cylinder plug
hole.
5)
Disconnect the remote control throttle cable from the
throttle arm (remote control type only).
6) Manually hold the throttle arm or throttle lever in the full
open position
7)
Electric starter type: Turn the starter motor using the
starter switch (tiller handle type) or ignition switch (remote
control type) until stable compression is obtained.
Do
not operate the starter motor for more than
5
seconds
at one try.
If
stable compression is not obtained within
5
seconds, stop the starter motor and wait
10
-
20
seconds,
and repeat the operation again.
Recoil starter type: Pull the recoil starter several times
until stable compression is obtained
gency stop switch.
rcylinder
1
~ 1,370k98
kPa
1
compression
1
(1
4.0
k
1
.O
kgfkm2,
199
k
14
psi)
1
8)
Reinstall the compression gauge in the
No.
2
cylinder
9)
After inspection, reinstall the removed parts in the
plug hole and repeat steps
6
and
7.
reverse order of removal.
COMPRESSION GAUGE
(Commercially available)
24
2
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