WESTERBEKE
Model DS
Marine Diesel Engine
5
hp.
For
large
and small
daysailers
cruising
187
boats.
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Model
Type: One cylinder four cycle vertical diesel.
Displacement : 15.9 cu. in.; bore 3 in.; stroke 2
Power: 5 hp at
Compression Ratio: 16.25:1 .
Weight : 1871bs. with
Cylinder
Cylinder: Cast Iron.
Cylinder Head : Aluminum.
Crank
Connecting Rod: Forged
Piston: Aluminum.
Bearings : Tri
Lubr
ings. Full flow integral replaceable lube oil filter.
Cooling System: Positive displacement rubber impeller
raw water pump.
Installation Angle: IS' maximum.
Fuel System: Bryce in
ernor
driven fuel
Fuel Consumption: See fuel consumption curve.
Electri
generator.
Transmission: Paragon/Westerbeke
reverse gear
Standard Equipment:
gear; electric starter-generator; cooling system with
raw water pump mounted; flexible engine mounts;
sump pump and hose; full flow lube oil filter; secon-
dary fuel oil filter; fuel lift pump
flexible hose connections for
threaded exhaust flange
controls; key switch.
OS
Specifications
Y4
in.
3000 rpm continuous.
2:1
reduction gear.
Block
: Aluminum.
sh
aft: Steel, counterbalanced .
steel.
metal.
ication: Full pressure to main and large end bear-
ject
ion pump, variable speed gov-
wit
h automatic overload control. Camshaft
lift
pump with hand primer.
cal System :
12
volts 10 amp. Oelco-Remy starter-
2:1
wit
h positive neutral.
2:1
manual reverse and reduction
wit
h hand primer;
fuel supply and return;
1"
IPS
; mounting brackets for
reduction and
Why
The Westerbeke model
even daysailers can enjoy the advantages of diesel safety
and inboard reliability.
Outboard motors are fine for outboard motorboats, but
they are not
hung outboard kills a sailboat
in a well is somewhat better from a weig ht stand-point,
but its drag
inboard and, when used with a folding propeller, creates
minimal drag.
water past the rudder.
In the past, diesel engines were considered too large,
heavy, and expensive for small boats,
gines were used despite their hazards. Comparing
model OS with the most popular gasoline inboard sail-
boat engine, it
costs no more. Naturally, the four-cylinder gasoline engine has a higher horsepower rating, but our built-in 2:1
reducti
to drive the boat,
won't drive a
Although a one-cylinder engine
four, our model OS, with its heavy flywheel, carefully balanced parts , and soft mounting system ,
smooth. With all these features, we believe
nomical sense to install a Westerbeke model OS.
Westerbeke engines are sold and serviced by Westerbeke
a
OS
for sailboats?
ideal for sailboats. The weight
is
considerable. Our model
It also gives better control by speeding
is
smaller, weighs about half as much, and
on
gear lets the model
small sailboat much faster.
distributors in
OS
is small and
in
a seaway . An outboard
OS
use nearly all its 5 hp
while the gasoline engine probably
is
rarely smoother than a
major
port
cities in the United States.
light
. so that
of
OS
keeps weight
so
gasoline en-
is
remarkably
it
makes eco-
a stern-
our
J.
LEDIN
H.
DRIVE,
WESTERBEKE
AVON
CABLE
INDUS
TRIAL PARK, AVON, MASS.
: W
ESTCORP, AVON
CORP.
02322
TELE
X: 92-4444
13857 Printed
In
U.S A.
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