nt
r 
 • En
ines and Transmissions
11.
rop in oil pressur
en
ine runnin
 at constant speed
Lubrication s
stem leakin
De
ective oil pump
Pin
h
 
il lin
 t
 r
m
t
 
ilt
r
Repair if possible.  See 
our dealer 
r 
rvi
ee 
our dealer 
or servic
Reroute i
 possible.  
ee 
our dealer 
r 
rvi
x
v
 v
r
t
oose en
ne mount
n
 
o
ts
En
ine not timed properl
 or misfir-
in
En
ine-to-shaft couplin
s out-of-
n
 
r 
ff-
nt
r
En
ine misali
ne
rn 
tr
t 
r tr
n
mi
i
nspect an
 t
ten as requ
re
ee 
our dealer for servic
ee 
our dealer for servic
ee 
our dealer for servic
Replace bearin
s i
 needed. 
ee 
our dealer for servic
oor per
ormanc
B
t 
v
rl
e
t poor
 
str
ute
Excess bil
e water
ama
e
 or 
ncorrect prope
er
Fouled or dama
ed hull bottom
n
ne m
sa
ne
R
 l
str
ute we
t even
.  
r
mm
n
 
a
 hel
Pump out water.  
heck 
or leaks
Inspect propeller.  Replace if neces-
Inspect, clean, or repair
ee 
our deale
Low crankin
 spee
Loose or dirt
 electrical connections
ow 
atter
 c
ar
De
ective batter
En
ine oil too heav
 
or prevailin
 
tem
eratures
h
k 
ll r
l
t
 
l
tri
l 
nn
-
t
n
 
n
 w
r
har
e batter
Replace batter
Drain oil and refill with correct 
rade
viscosit
 oil. 
ee en
ine manual 
or 
orrect 
rade and viscosit
r 
l
r
ti
Throttle not 
ull ope
n
ne over
eat
n
Inspect cables and linka
e 
or bind-
in
, obstructions, and loose fasten-
ee solutions under 
En
ine
verheatin
” problem
xcessive 
uel consumptio
tri
ti
n in 
ir 
ilt
r Remove 
ilter and clean or replac
Low oil pressur
n
i
i
nt 
il in 
r
nk
Ex
 
il in 
r
nk
Diluted or improper 
rade and vis-
os
t
 o
il leak in pressure lin
heck and add correct 
rade and 
viscosit
 oil.  Visuall
 check en
ine 
r l
k
heck and remove required amount 
f 
il.  
h
k f
r 
 
f 
x
iv
 
oil 
improper fillin
, bad fuel pump, 
tc.
.
Chan
e oil and oil filter.  Be sure to
se t
e correct 
ra
e an
 v
scos
t
i
Inspect all oil lines and ti
hten all
onnect
ons as necessar
o o
 pressur
Defective 
au
e, 
au
e tube, or oil 
lin
o oil in en
in
ep
ace 
au
e or 
au
e sen
er
Re
ill crankcase.  
ee en
ine manu-
l 
or proper 
rade and viscosit