TROUBLESHOOTING
57
11
OT
H
E
R
S
z
z
z
z
z
Incorrect adjustment of throttle link
z
z
Insufficient cooling water flow, clogged or defective pump
z
z
z
Faulty thermostat
z
z
z
z
Cavitation or ventilation
z
z
z
z
z
Incorrect propeller selection
z
z
z
z
z
z
Damaged and bent propeller
z
z
z
z
Improper thrust rod position
z
z
z
z
z
Unbalanced load on boat
z
z
z
z
z
Transom too high or too low
z
z
z
z
Low compression
z
z
Carbon deposits in the combustion chamber
Engine makes noise
Too much the valve clearance
E
n
g
in
e
fai
li
n
g
t
o
s
tar
t
Eng
ine sta
rti
ng but s
toppi
ng so
o
n
Poo
r id
li
n
g
Poo
r a
c
c
e
le
ratio
n
Eng
ine sp
e
e
d
a
b
no
rmal
ly
h
ig
h
Eng
ine sp
e
e
d
a
b
no
rmal
ly
low
Boat sp
e
e
d l
o
w
Ov
e
rh
e
a
ti
n
g
o
f e
n
g
in
e
Possible cause
Summary of Contents for MFS 2.5B
Page 1: ...O W N E R S M A N U A L MFS 3 5B Original instructions MFS 2 5B OB No 003 11109 4AH1...
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