
Quiet
dependable
power
by
Westerbeke
Features
Niagra 3 1 by Hi
nr
erhoeller Yachts
•
Quality
Construction
- fr
es
h water cooling with
thermosta
ti
c controls, 50
amp
alternator with radio
shielding, cast iron head
and
block for long life, cog-type
alternator
be
lts re
du
ce slippage, glow plug co
ld
weather
st
art
ing aid ,
ove
r
-s
iz
ed 3"
diam
ete r heat exc
hanger
,
manual
shut d
ow
n,
se
parate throttle contro
l.
•
Parts
Supp
ly - nation
wide
stock
of
part
s for Westerbeke
engines
and
generators me
an
s better service fro m
an
ex-
panding
net
work
of Siocking distributors
and
dealer
s.
•
Exceptiona
l Sm
oot
hn
ess
- 3 cylinder 4 cycle engine,
high inertia flywheel
and
cr
an
kshaft dynamically balanced.
•
Self
Bleeding
Fuel
Syste
m - Restarts after
runnin
g out
of
fu
el without
manual
air bl
ee
din
g.
•
Ve
ry
Light
Weig
ht
- a
luminum
wate
r-cooled exhaust
manifo
ld
and
fl
ywhee
l housing,
save
we
ight
witho
ut sacri-
fi
cing cast iron he
ad
a
nd
bl
ock.
•
Ease
of
Maintenance
- r
emovable
e
nd
caps
on
heal ex-
changer for easy cl
ea
n
out
,
conve
nient o
il
drain
sys
t
em
n
ee
ds no
hand
pump
; replaceable wi
ri
ng
harne
ss
ter-
minat
es
in 8 pin co
nn
ect
or
,
heav
y
duty
zi
nc anodes for
heat exchange
r.
•
Excep
ti
o
nal
Quietness
- custom designed, t
un
ed intake
silen
cer
reduces
intak
e
air
noise; modern swirl type com-
bu
sti on c
hamb
er
des
ign
softens
diesel
clatt
er.
Optional
Equipment
• Front exhaust outlet for Vee
drives
· Remote mo
un
ting lu
be
filters · Alte
rnator
o
utput
sp
litter · Sea
water
intak
e strainer
• Hydro-Hush B
wa
terlift
exha
ust silen
ce
r ·
Va
ri
ous
adapt
ing
co
nn
ectors
and
coup
lings from which, given a su
ppl
y of I
7
1s"
1.0
. exhaust hose, a complete exh
aust
system
can be
assembled
_
~'MU!:!
./
INTERMITTENT
...-"
"T
-"
~
"
-::.
-
-
CONTINUOUS
"7"'-
// "
~
~ /
~
#
~
.,
' /
'"
J'
(
/
~I!!'
~
/(-#
/I
~
1/
I
I;
'{..
-
20
"
CONTINUOUS
5
'000
2ODO
ENGI
NE
SPE
ED
RP
M
Performance
Data
~
~
~
0.50
~
0.45
Ii:
•
0.40
ii::
8
~
~
Max
imum
P
owe
r
Output
...
22@ 3000 RPM
Typical Fuel
Consump
ti
on Rate . . . .063
US
gal/HP/
hr
Typical Fuel
Consumpti
on R
ate
at 2500 RPM
When
wh
eeled
to
Turn
3000 RPM .8 US gal/hr
Capacity of Lu
br
i
cant
(a
lways check
dip
s
ti
ck)
...
4 Qts
Capacity
of
Coolant . . . .
......
.
...
5 Qts
Specifications
Model
Number
.
..
.
..
. . W
es
te
rb
eke
2 1a
En
gine T
ype
. .4 cy
cl
e,
water
cooled , naturally
aspirated,
vert
ical
ov
erh
ead
va lve,
die
sel engine
Cy l
inder
arran
gement .3 cyl
inders
in line
B
ore
& Stroke
.. ..
2.87" x 3.07" (
73ml11
. x 7
8111
111
.)
Di
splacement . . . . . . . . . . .
.......
60 cubic
inch
{.98 Iitr
eJ
Compression
ratio . . .
......
23 to I
No. of
main
bearings . . . . . . . . . .
..
..
. . . 4
Rotation .
SA
E Std. {clockwise
fa
ci
ng front end}
Fuel I
nj
ection
Pump
.....
Bosch
Di
stributor
Typ
e Individual
plun
ger for
eac
h cylind
er
, c
am
driv
en in a precision
housing mac
hin
ed in
bl
ock for
ri
gid
it
y
and
acc
ur
acy
Reg
ul
ator.
. IC
(b
uilt in type)
I
nj
ectors . . . . . . . . . Pintle type
Combu
s
ti
on Ch
amber
.
..
.
..
Swirl type for
eas
y st
arting
and
qui
et op
era
tion
Firing or
der
.......
1-3-2
G
ove
rnor
. . . . .
..
Mechanical ce
ntrifu
ga
l
typ
e
Fuel filter
....
P
aper
element
typ
e
Lubricating
dev
i
ce
....
For
ce
d l
ub
ri
cat
ion by trochoid
pump
Lu
b. o
il
filter
......
Full flow , spin on, paper element type
Starting mot
or
.
....
Geared
electric mot
or
, 12 Vol t
Starting
aid.
. . . . . . . . . . . 12 Volt sheathed type gl
ow
plug
Fuel
pump
...............
El
ec
tric
plun
ger t
ype
Dry
weight of engine
(w
ftrans., . .
..
..
.
..
. . . . .
345Ibs.
Call
yo
ur
We
ste
rbek
e r
ep
resentative
or contact
th
e . . .
J.
H.
WESTERBEKE
CORP.
AVON
INDUSTRIAL PARK.
AVON
. MA 02322 · (61 7) 58B-7700
C
ABLE
: WESTCORP.
AVON·
TELEX; 92-4444
Punted ,n U S
It.
o
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