Westerbeke 27 User manual

A SMALL LIGHT 4 CYLINDER 4 CYCLE DIESEL ENGINE
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OUALITY CONSTRUCTION -fresh water cooting with therr o-
static controls, 50 amp alternator with radio shieldin g. me ta llic
water piping wherever po ss ible fo r end ur an ce. ro g- t yp e altern at or
be lt s redu ce sl ip page, glow pl ug cold weather starting aid. over-
si ze d 3" diameter heat exchanger. shut-off fu nction built into
thr ottle co ntr o l. c as t iron he ad a nd block for iong lif e.
PARTS SUPPLY -nationwide stock of parts fo r Westerbeke
engin es and ge nerators m eans be tter service from an expanding
ne tw o rk of st oc ki ng di stributors and dea lers.
EXCEPTIONAL SMOOTHNESS -4 cy li nder 4 cycle en gi ne.
hi gh inertia fl ywheel. vi bra ti on isolating mounts.
SELF BLEEDING FUEL SYSTEM -Res",.ns after running o ut of
fuel without manual air bleeding.
VERY LIGHT WEIGHT -aluminum water-cooled tw o pass
exhaust manifo
ld and flywh ee l housing. save weight witho ut sac-
rificing cast iron head and bl ock.
EASE OF MAINTENANCE -removable e nd caps on heat ex-
changer for easy cl ean o ut . convenient o il drain system needs no
hand pump. all wiring is led to a single 8.pin connector; heavy
duty zinc anodes fo r heat ex changer.
EXCEPTIONAL OUIETNESS -custom designed, tuned intake
silencer reduces intake air n oi se; modern swirl type combustion
cha mber design softens diesel cl atter,
STANDARD EQUIPMENT
Short profile 2-1 manual transmission . Propeller half coupli ng
Adjustable fl ex i so lator engine mo unts (IS"on ce nter)
Fresh water coo ling syst em . C oo lant r eco very tank
12 volt50 amper e alternator • Glow plug co ld w ea ther startingale
Throttl e, st op, and shift co ntrol br acke ts . Water Inj ec ted Exhaust
Elbow -
Opera torsmanual - Eng in e pr e-wired at the fa ctorywith a
single 8 pinconn
ec tor
OPTIONAL EQUIPMENT
Vario us a cc essory front pulleys
Hydro-Hush Muffler
Sea Water Strainer
Al t erna tor OutputSplitter
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Five function Electric Instrume nt Panel including Hour Meter and
Tachom eter
Various optional transmissions
Front exhaust outlet fo r Vee Drive applications
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ENGINE SP£EO R PM
--- 'm-----: p =-= E C"C RFORMANCE DATA
Maximum Power Output ....
Typical Fuel Co nsumption Rate
Typical Fuel Consump
ti on Rate at 25 00 RPM
30/ 3000 RPM
,063US gal/HP/hr
Wb en Wb eeled toTum 3000 RPM , , , , , , , , . I. OUS gal/hr
Capacity of L
ub ri ca nt . . . . . . . . 4 Qts
Capac it y of C oo lant ' , , , , , , ., , ...... ". , , , 8'h Qts
SPECIFICATIONS
Model Nu mber "" , , , , , , , , , , , , , , , , , , , , , Westerbeke 27
En gi ne Type , , , , , , . . ...... 4 cycle, water cooled, naturally
aspirated, verti
ca l overh ea d va lv e, diesel engine
C
yl inder arrangement ...... 4 c yli nders in line
Bo re & Stroke . , , , 2,87·x3,07· (73 mm ,x78mm,)
Dis
pl aceme nt , , , ' , . , , , , .. 80 c ub ic in ch (1.3 litre) (
Compression ra ti o ... .23 to 1
No . of ma in bea rings . . ...... .5
Rota ti on , .... , , , , . , , , , , , , SAE Std, (clockwise fa ci ng front end)
Fu
el Inj ect io n Pump , , , , , , , , , ,Bosch Distributor Type Individual
plung
er for each cylinder. cam driven in a precision
housing machined in
bl ock fo r rigidity and accuracy.
Regulator , ' , , , , , , , , , , , , , , ,IC (built in type)
In jectors , , . , , , , , , , , , , , , , , , ,Pin tl e type
Co mbustion Ch amber , , . , , , , ,Swirltype for easy starting and
quiet operation
Firing order """"'" , , . , , , , , , ' , , , , , , , , , , , , , , 1- 3 -4-2
Governor , ,Mechanical centr if u gal type
Fuel
filt er , , , , , , , , , , , ' "" , , , , , ,Paper element type
Lubr
ic ating device , , , , ,,' Forced lubrication by troch oi d pump
Lub ,o il filter , , , , , , , , " " Full fl ow, spin on, paper element tVPt'
Starting motor , , , , , , , , , ,Geared electric motor, 12 Volt,
Starting aid , , , , , , , , , , , , , ' , , , ,12 Vo lt sheathed type glow plug
Fuel pump , , , , , , , , , , , , , , , , , , , , , , , , ' , , ,Electr ic plunge rty pe
Dry weight of engine (w/ trans,) , , , , , , , , , , ' , , , , , , , , , , ,434 Ib s,
Power take-off ' , , , , , , , , , , , , , , , , , , ,
Va r io us crankshaft pulleys
CALL YOURWESTERBEKE REPRESEN TATIVE
OR CON TACT THE ...
J. H. WESTERBEKE CORP.
t1 R7500 12 /8 3 Av
on Indu strial Pa rk, Av on , MA 02 322, (617) 588 - 7700
Cab le: West c orp, A vo n, Te l ex : 92-4444

A NEW GENERATION
OF MARINE ENGINES
TheWesterbeke 27 provides4 cylinder. four cycle smoothness
In a lightweight.
compact engine. Cylinder heaclancl bfock are of
castIron for strengthancllong life while aluminum Is used In non-
wearing parts for lightweight. The performance from this 80
cubic Inchenginewillamue you.Standardequipment not usually
found on engines this ... Include Ft8h W.,. CooIinJ,12Volt SO
Amp ~lfe"..fot, 1'tewiledElectric" S"*""W-Illeulii.,,,., Sysfem
anda convenientOil Dr_ S"*,,, to eliminate -sv 011 changes .
The Westerbeke 27 Is the smallest four cylinder diesel In the
Westerbeke f_lIy of marine engines. AdcllHonal diesel engines
are available from 13 to 120 hp all fresh _ter cooled and all
built for performance. durability and economical operation ••• A
true family of marine engines with standardized features and
comlllOllbed parts for higher quality at '-r co. ...

A SMALL LIGHT 4 CYLINDER 4 CYCLE DIESEL ENGINE
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QUALITY CONSTRUCTION -fr es h water cooling with thermo-
static co ntrols. SO amp a lt ern ator with radio shielding, metallic
water piping wher ever possible f or e nduralll :e, tog-type alte rnator
belts re du ce slippage. glow' plug co ld wea th er s larting aid. over-
size d 3" diameter h ea t exchanger. shut-off fun ct ion buill i nt o
throttle control.
cast iron h ea d and block for long lif e.
PARTS SUPPLY -nationwide stock of parts for Westerbe ke
engines and ~e n era l o r s means be tt er service from an expanding
network of st oc king distributors and d ea lers.
EXCEPTIONAL SMOOTHNESS -4 cylinder 4 cycle engin e.
hi gh inertia flywh ee l. vibration i so l at ing mounts.
SELF BLEEDINC FUel SYSTEM -R eSians after runn ing O UI of
fuel without manual air bleeding.
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PERFORMANCE CURV ES
MAX I MUM
I NTERM l nENT
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CO N TI N UOUS
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CONTINUOUS
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EN GiNE SPE EDRPM
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11.7!:o
PE RFORMANCE DATA
Maximum Power Output
Typical Fu el Consumption R ate
Typical Fuel Con sumption Rat eal 25 00 RPM
When Wheeled to Tum 3000 RPM
Ca pacity of Lubricant .
Ca pa ci ty of Coo lant SPECIFICATIONS
30 /3000 RPM
. 06 J US g al / HP /hr
... t. OUS g al /hr
4 Qts
...... 8 Y1 Qts
Model Number . . . . . . . . . . .... Westerbeke 27
EngineType . . . . . ....... 4 cycle. water cooled. naturally
aspirated. vertical overh
ea d valve, diesel engine
Cy lind er a rr angement ....... 4 cylinders in line
Bore & Stroke . .
.......... 2 .8 7"x3.07 " (73mm.x78mm.)
VERY LICHT WEICHT -aluminum water-cooled two p ass
exhaust manifold and flywheel hou si ng. save weight without sac ·
rificing cas t iron head and block.
Di spla ce m en t . . . . . . . . . . . ... . 80 cubic inch ( 1.3 litre)
Co mpression r at io ... 23 to 1 (
No . of main bearings . . . . . . . . . . 5
EASE OF MAINTENANCE -removable en d caps on heat e x-
changer for easy clean out, co nvenient oil drain system needs no
hand pump. all wiring
is led to a single B-pin co nnector; hea vy
duty zinc anodes for heat ex changer.
EXCEPTIONAL QUIETNESS -custom designed, tuned intake
silencer reduc
es intake air noise; modern swirl type combustion
chamber design softens diesel clatter.
STANDARD EQUIPMENT
Short profile 2- 1 manual transmi ssio n · Pr opeller ha lf coupling
Adjustable fl ex isolator en gi ne mounts (15
11
on center)
Fr
esh water c()olin~ system · Coolant recovery tank
12 volt
50 ampere alternator . Glow plug cold weather start in ~ aid
Throttle. stop. and shift control hrackets • Operators manual
Engine pre-wired at the fac tory with a single Rpin connector
OPTIONAL EQUIPMENT
Va rious a cr essflry front pulleys
Walter Injected Exhaust Elhow
Hydro-Hush Muffler
Se a Wat er Strainer
Alternator Output
Spli tt er 8'-
11"(·\
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WESTER6 £IIE
Five fu nction Electric In strument Panel in c ludin~ Hour Meter and
Tachometer
Various optional transmissio ns
Front exh au st outlet lor Vee Drive applications
Rotation
........... SAE Std .(cloc kw is e facing front end)
Fuel Injection Pump . . .B
osch Distributor Type Ind ivi dual
plunger for
each cylinder. ca m driven in a precision
housing
ma chined in block for rigi dity and a cc uracy.
Re~ulator . . ................... Ie (built in type)
Injecto
rs . . . . . . . . . . . . . . . . . . . . . . . . . . . .Pintle type
Co mbustion Chamber . . ..... Swirl type for easy starting and
quiet operation
Firing order
......... . .... 1 -3 -4-2
Governor . . . . . .Mechanical centrifugal type
Fuel filter . . . . . . . . . . . .Paper element type
Lubric
at i nH devi ('e . .Forc ed lubrication by trochoid pump
Lub.oil filter . .
.... Full flow. spin on.paper element tvP.
Starting motor ................. Geared electric motor. 12 Volt.
Starting aid . . . . . . . . . . . . .. 12 Volt sheathed type gl ow plug
Fuel pump
.. Ele ct ric plunger typo
Dry weight of eogin. (w/ tr"n, .). ..................... 434Ibs.
P
ow er take·nff ......... , .Various rrankshaft pulleys
CALL YOURWESTERBEKE REPRES EN TATI VE
OR CON
TACT THE. . .
J. H. WESTERBEKE CORP.
Marine 1'o'tP 2182 7500
Avon Indus tr ial Park, Av on, MA 02322, [phone]
Cable : Westcorp, A von, Te lex: 92-4444
(

A SMALL LIGHT 4 CYLINDER 4 CYCLE DIESEL ENGINE
,.."
QUALITY CONSTRUCTION -fr es h water coo lin g with thermo -
static co ntrol s. 50 amp alternator with r ad io shielding. metallic
water piping wherever possible for enduran
ce . fog-type alternator
belts reduce slippage, glow' plug co ld weather starting aid. over-
sized 3" diameter h ea t exchange r. shut -o ff fUllction buill into
throttle control. c ast iron h ead and bl oc k for long life.
PARTS SUPPLY -nationwide stock of parts for W es terbeke
engines and generators m ea ns better service from an expanding
network of stocking
di stributors and dealers.
EXCEPTIONAL SMOOTHNESS -4 cy lind er 4 cycle engin e.
high inertia flywh ee l. vib ration isolating mounts.
SELF BLEEDINO FUEL SYSTEM -Bosch-type fu el injection
system and el
ec tri c fu el pump. combined with Westerb ek e'g se lf-
bl ee ding devi ce .
VERY LlOHT WEIOHT - aluminum water-cooled t wo pass
exhaust manifold and flywheel housing. save weight without sa c-
rificing
cas t iro n head and block.
EASE OF MAINTENANCE -removable end caps on h ea t ex-
changer for easy de an out. convenient oil drain system needs no
hand
pump . all wiring is tinned for corrosion res istan ce and led to
a Single R'pin
fo nnector: heavy duty zinc anodes for heat ex·
changer.
EXCEPTIONAL QUIETNESS -custom designed. tuned intake
silencer redu
ces intake air no ise ; modern swirl type combustion
chamber design softens diesel clatter.
STANDARD EQUIPMENT
Short profile 2·1 manual transmission · Propeller half coupling
Adjustable
fl ex is olator engine mounts (15" on ce nl er)
Fresh water cooling system . Coolant reco
very tank
12 volt 50 ampere alternator .
Glow plug co ld weather starting aid
Thrott le. stop. and shift control brackets · Operators manual
Engine pre·
wire d at the fa ct ory with a single R pin connector
OPTIONAL EQUIPMENT
Va rious accessory front pu1Jey s
Walt
er Injected Exhaust Elbow
Hydro-Hush Muffler
Sea Water Strainer
Alternator Output Sp litter
Five function
El ectric Instrument Panel including Hour Meter and
Tachometer
Va rious nptionrll transmissions
Front exhaust nutlet for Vee Dr ive applications
PfRFORMANCE CURVES
MAllM UN
INT£AMITTENT
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MAX IMUM ,'/
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ENG I NE S PEED RPM
11.~
PSRFORMANCE DATA
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M aximu m Power Output ............ .
30 /3000 RPM
. .... .45 Ibs lHP-hr
. . . . . . . .. 4 Qts
............. . ... 8 ~ Qts
Spedfk Fu el Co nsumption ........ .
Ci\ pacity of Lllhri<.-allt .... .
Ca pacity of Cooli\nt ........ .
Model Numher
Engine Typp .
SPECIFICATIONS
....................... W esterbeke 27
.
... 4 cycle. water cooled. naturally
aspirated. ve
rti ca l overhead valve. diesel engine
Cy lind er arrangement .................... 4 cy lind ers in line
Bore & Stroke . . . 2.87 "x
3.07" (73mm. x78mm .)
Displacement ................. 80 cubic inch (1 .3 litr e)
Co mpression ratio . . . . . . . . . . ...... 23 to 1
No.of main bearings . . . . . . . . . . .
................ 5 (
Rotation ................. SAE Std . (cloc kw ise faci ng front end)
Fu el Injection Pump .......... Bosch Distributor Type Indiv idual
plunger for each cylinder. ca m driven in a precision
housing machined in block for rigidity and accuracy.
Re~ula tor ....... . ......................... IC (built in type)
fnjectors . .
... . ............ . . .... ........ Pintle type
Co mbustion Chamber ........... Swirl type for ea sy slarling and
quiet operation
Firing or der . . . . • . . . . . . . . . . . . . ..... . .1-3-4-2
Governor ....................... Mechanical centrifugal type
Fuel filter . . . . . .
.................. Paper element ty pe
Lubricating devi
ce ......... Forc ed lubrication by trochoid pump
Lub.oil filter . . .
...... Full fl ow.spin o n. paper element tVOE"
Starting motor ................. Geared ele<. ' tr k motor. 12 Vol t.
Starting aid ........... 12 Volt shealhed Iype glow plug
Fuel pump . . . . .
........... Electric plunger Iype
Dry weighl of el1~il1e (w/ lml1s .) . . . . . . . . . . . . . . . ... 43 4Ibs .
Power take-off
............... Various nankshaft pulleys
CALL YOURWESTERBEKE REPRESENTATIVE
OR CONTACT THE .. .
J. H. WESTERBEKE CORP.
Marinr Lp ·9/ SI / SM Pr inted in US A " West t.' rbekt.'Corp
Avon Industrial Park, Av on, MA 02322, (617) 588- 7700
Cab le: Westcorp , Avon , Telex: 92-4444