EX27 Parts List
PARTS
MANUAL
Models
EX27
ENGINE
PUB-EP1679
Rev. 02/03
940 Lively Blvd. • Wood Dale, IL 60191 • Phone: 630-350-8200 • Fax: 630-350-8212
e-mail: [email protected] • www.robinamerica.com
© Copyright 2002 Robin America, Inc.
HOW TO USE THIS MANUAL
Robin engines are identified by MODEL, SPECIFICATION, and CODE NUMBER. For each
model there may be many different versions called specifications. Each specification will be
unique in some way. The difference may only be the paint color or it may have a different type
of PTO or some other significant difference.
In order the identify the correct service part number, it is important to confirm the specification and code numbers for your engine. The specification and code number together are
know as the PRODUCT NUMBER.
All Robin 4 cycle engines have a Product Number label similar to the label illustrated below.
The Product Number Label has a 15 digit alphanumeric string that consists of the
SPECIFICATION (SPEC) number (11 digits) and the CODE number (4 digits). Please
note the illustration below:
EX270
XXXX
SPEC NO. (11 digits)
CODE NO. (4 digits)
PRODUCT NO. (15 digits)
EX27
-3-
02-03
MANUAL LAYOUT
1
4
3
2
1
6
7
9
2
3
5
8
4
1. SECTION NAME
Parts are broadly classified according to their functions.
Refer to the Group Index (table of contents) for respective section name.
2. FIG. No.
The FIG. number indexes the reference and part numbers to the illustration. Figure numbers
that vary only in the tens place (i.e..: 700 and 710) are in a group of the same section
(i.e..:Electrical Device Group).
3. REF. No .
The Reference number identifies the part illustration with the corresponding part number in the
part list.
4. SUBASSEMBLY
SUBASSEMBLY parts of part assembly are listed below the assembly part. The subassembly
part reference number is indicated by the number led by "-" such as "-1", "-2".
5. PART NUMBER
It is the number assigned for sales unit. Use the PART No. when making an order.
6. DESCRIPTION
It is designation of the part.
7. QTY.
Quantity of each part used for each product.
8. REMARKS
This gives a distinctive feature and/or a supplementary comment for the type, the specification,
and the part concerned. It also shows part number(s) interchangeable for the part.
9. FROM-TO
This section shows the CODE No. to indicate the history of progress in which improved parts
have been introduced in the product. The FROM-TO CODE No. helps to identify PART No.
being employed in the product concerned. See the examples below:
2101- 2100
EX27
The part is used in the product irrespective of CODE No.
The part is used in the products with CODE No. of 2101 and after this number.
The part is used in the products with CODE No. of 2100 and before this number.
-4-
02-03
GROUP INDEX
Group Name
Page
CRANKCASE GROUP ............................................................................... 6
CRANKSHAFT GROUP ............................................................................. 8
INTAKE and EXHAUST GROUP.............................................................. 10
GOVERNOR GROUP .............................................................................. 14
COOLING and STARTING GROUP......................................................... 16
FUEL, LUBRICANT GROUP.................................................................... 18
CARBURETOR GROUP .......................................................................... 20
ELECTRIC DEVICE GROUP .................................................................. 22
ACCESSORY GROUP............................................................................. 24
INDEX OF DESCRIPTION SYMBOLS
SYMBOL
DESCRIPTION
AY ........................... ASSEMBLY
CP........................... COMPLETE
EX........................... EXPORT (from Japan)
FIG.......................... FIGURE
FR........................... FRONT
" .............................. INCH
INCL. ...................... INCLUDE
~L............................ LITER
L= ........................... LENGTH (in. mm)
L.H. (LH) ................. LEFT-HAND SIDE
MECH ..................... MECHANICAL
NO (NON)............... NONE
OPT......................... OPTIONAL
O.S. ........................ OVER SIZE
EX27
SYMBOL
DESCRIPTION
P= ........................... PITCH (in mm)
P.T.O. (PTO) ........... POWER TAKE OFF
REF......................... REFERENCE
R.H. (RH)................ RIGHT HAND SIDE
RR. ......................... REAR
STD. ....................... STANDARD
SW.......................... SWITCH
T= ........................... THICKNESS (in mm)
UN .......................... UNIT
U.S.......................... UNDER SIZE
~V ........................... VOLTAGE
~W .......................... WATT
W/ ........................... WITH
W/O ........................ WITHOUT
-5-
02-03
SECTION 1
CRANKCASE GROUP
FIG. 100
EX27
-6-
02-03
SECTION 1
CRANKCASE GROUP
REF.
10
DESCRIPTION
QTY. REMARKS
CRANKCASE CP
1
CRANKCASE CP
1
w/ Oil Sensor
VALVE GUIDE
2
STEM SEAL
1
OIL SEAL
1
BALL BEARING
1
PIPE KNOCK
2
STUD
2
STUD
2
OIL SEAL
1
PLUG
2
GASKET
2
MAIN BEARING COVER CP
1
OIL SEAL
1
BALL BEARING
1
GOVERNOR GEAR CP
1
GOVERNOR SLEEVE
1
OIL GAUGE
1
FILLER PLUG
1
GASKET
1
GASKET
1
FLANGE BOLT
7
CYLINDER HEAD CP
1
GASKET, head
1
FLANGE BOLT
4
FLANGE BOLT
1
ROCKER COVER CP
1
GASKET, rocker cover
1
PIPE KNOCK
2
FLANGE BOLT
4
RUBBER PIPE
1
GASKET SET
1
GASKET IN A TUBE
20
26
30
40
50
60
70
75
80
90
210
220
230
250
260
270
275
280
281
300
610
620
630
631
680
690
700
710
850
960
PART NO.
279-10101-21
279-10102-21
237-14202-03
277-16010-01
044-03001-60
060-03003-40
277-15011-03
010-50802-50
010-50604-10
044-00600-20
040-11400-30
021-11400-20
279-11002-01
044-03001-60
060-03000-20
277-45004-21
263-41901-03
279-63601-03
279-65001-03
021-32000-50
021-32000-50
001-04083-50
279-13001-01
279-15001-13
011-00802-40
001-04083-50
277-15501-01
277-16001-03
277-15011-03
011-00600-20
085-10800-00
279-99001-07
EX0-20000-01
FROM-TO
FIG.
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
Gasket Sets include the following:
Fig. 100 items 90, 280, 620 and 690
Fig. 300 items 340 and 550
EX27
-7-
02-03
SECTION 2
CRANKSHAFT GROUP
FIG. 200
EX27
-8-
02-03
SECTION 2
CRANKSHAFT GROUP
REF.
10
10
10
50
70
310
320
350
360
370
380
DESCRIPTION
CRANKSHAFT CP
CRANKSHAFT CP
CRANKSHAFT CP
FLANGE NUT
WOODRUFF KEY
CONNECTING ROD AY
CONNECTING ROD BOLT
PISTON PIN
PISTON
PISTON RING SET
CLIP
EX27
PART NO.
279-20901-11
279-21001-01
279-21201-01
018-01800-10
032-30300-10
279-22501-20
279-23001-03
279-23301-03
279-23401-03
279-23511-07
056-51800-10
QTY.
1
1
1
1
1
1
2
1
1
1
2
-9-
REMARKS
1" key, 3/5 tap
1" Pump
SAE taper
FROM-TO
FIG.
200
200
200
200
200
200
200
200
200
200
200
02-03
SECTION 3
INTAKE and EXHAUST GROUP
FIG. 300
EX27
- 10 -
02-03
SECTION 3
INTAKE and EXHAUST GROUP
REF.
10
25
27
34
35
37
38
60
70
80
90
95
150
160
163
166
170
200
220
225
230
231
240
241
290
310
320
340
350
360
361
365
440
445
540
550
570
580
DESCRIPTION
CAMSHAFT CP
PIN, camshaft
O RING
PIN, spring
RELEASE LEVER
CLIP
RETURN SPRING
VALVE SPRING
RETAINER VALVE SPRING
INTAKE VALVE
EXHAUST VALVE
COLLET VALVE
TIMING CHAIN CP
TENTIONER
SPRING, tentioner
PIN, tentioner
CHAIN GUIDE
PIN, rocker
ROCKER ARM AY, intake
ROCKER ARM AY, exhaust
ADJUST SCREW
ADJUST SCREW
NUT
NUT
FLANGE BOLT
MUFFLER CP
MUFFLER COVER CP
GASKET, muffler
FLANGE NUT
TAPPING BOLT
FLANGE BOLT
FLANGE BOLT
DEFLECTOR
TAPPING SCREW
INSULATOR CP
GASKET, insulator
FLANGE NUT
FLANGE BOLT
EX27
PART NO.
279-31601-01
277-35101-03
024-00600-10
277-38601-03
279-36401-03
277-36501-03
277-38701-03
279-33601-03
269-33701-03
279-33401-13
279-33501-13
132-10KA0-31
279-35601-01
277-36911-03
277-37101-03
277-36902-03
277-36913-13
277-35001-23
277-36101-00
277-36102-00
014-90500-10
014-90500-10
017-00500-20
017-00500-20
011-00600-20
279-30101-21
279-34201-11
277-35201-03
980-20082-80
015-20600-90
011-00600-10
011-00801-50
277-37001-03
015-00400-60
279-32901-13
279-35901-23
002-38060-00
011-00600-50
QTY. REMARKS
1
1
1
1
1
1
1
2
2
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
2
1
- 11 -
FROM-TO
FIG.
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
02-03
SECTION 3
INTAKE and EXHAUST GROUP
FIG. 310
A
EX27
B
- 12 -
02-03
SECTION 3
INTAKE and EXHAUST GROUP
REF.
510
DESCRIPTION
AIR CLEANER AY
AIR CLEANER AY
CASE
CASE
PACKING
GASKET
COVER
LABEL
NUT
ELEMENT
ELEMENT
FLANGE NUT
FLANGE BOLT
-200
-210
-220
-250
-260
-270
520
570
580
EX27
PART NO.
279-32611-00
279-32612-00
279-32630-08
279-32631-08
279-32720-08
279-32650-08
279-32640-08
279-32730-08
279-32740-08
279-32603-08
279-32607-07
002-38060-00
011-00600-50
QTY.
1
1
1
1
1
1
1
1
1
1
1
1
1
- 13 -
REMARKS
Foam
Dual
Foam
Dual
Dual
Dual
Foam
Dual
Foam
Foam
FROM-TO
FIG.
310A
310B
310A
310B
310B
310
310
310
310B
310A
310B
310A
310A
02-03
SECTION 3
INTAKE and EXHAUST GROUP - Cyclone Pre-Cleaner
FIG. 320
-280
-250
-212
-270
520
-315
510
-210
-260
-200
-220
-310
EX27
- 14 -
02-03
SECTION 3
REF.
510
-200
-210
-212
-220
-250
-260
-270
-280
-310
-315
520
EX27
PART NO.
279-32613-00
279-32632-08
279-32720-08
279-32670-08
279-32650-08
279-32641-08
279-32730-08
279-32740-08
279-32675-08
279-32660-08
279-32680-08
279-32607-07
INTAKE and EXHAUST GROUP - Cyclone Pre-Cleaner
DESCRIPTION
AIR CLEANER AY
ELBOW, BASE
PACKING
SEAL
GASKET
COVER, CYCLONE
LABEL
WING NUT
WASHER
DUST CASE, CUP
PAN SCREW
ELEMENT AY
QTY. REMARKS
1
1
1
1
1
1
1
3
2
1
2
1
- 15 -
FROM-TO
FIG.
320
320
320
320
320
320
320
320
320
320
320
320
02-03
SECTION 4
GOVERNOR GROUP
FIG. 400
EX27
- 16 -
02-03
SECTION 4
GOVERNOR GROUP
REF.
10
20
30
40
50
60
70
80
310
340
350
355
360
365
370
395
396
435
440
450
480
485
DESCRIPTION
QTY. REMARKS
GOVERNOR LEVER
1
GOVERNOR SHAFT
1
GOVERNOR ROD CP
1
ROD SPRING
1
CLIP
1
BOLT and WASHER AY
1
NUT
1
GOVERNOR SPRING
1
SPEED CONTROL LEVER
1
STOP PLATE
1
WASHER
1
FRICTION WASHER
1
SCREW
1
SPRING, adjust
1
NUT
1
CLAMP
1
SCREW and WASHER AY
1
SPEED CONTROL BRKT CP 1
SCREW
1
SELF LOCK NUT
1
RETURN SPRING
1
FLANGE BOLT
2
EX27
PART NO.
279-42301-13
277-42201-33
279-42701-01
277-42801-13
003-13050-00
001-14062-40
018-60600-20
279-42502-23
279-43302-01
277-43501-03
020-00601-70
021-70600-70
014-00601-80
237-45004-23
002-17060-00
277-43901-03
004-36051-60
277-46001-01
004-31040-80
002-35060-00
277-45101-03
011-00600-20
- 17 -
FROM-TO
FIG.
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
02-03
SECTION 5
COOLING and STARTING GROUP
FIG. 500
EX27
- 18 -
02-03
SECTION 5
REF.
10
20
40
60
61
80
81
210
-1
-2
-3
-4
-5
-6
-7
-11
-35
-49
220
EX27
PART NO.
279-51202-01
279-51201-01
073-20051-40
011-00600-30
279-52711-11
279-52702-13
001-65081-20
011-00600-20
279-50202-00
226-50716-08
279-50120-08
279-50110-08
226-50701-08
279-50125-08
226-50731-08
226-50752-08
279-50145-08
226-50741-08
226-50753-08
011-00600-10
COOLING and STARTING GROUP
DESCRIPTION
BLOWER HOUSING CP
BLOWER HOUSING
LABEL, trademark
FLANGE BOLT
BAFFLE 1 CP, case
BAFFLE 2, head
BOLT
FLANGE BOLT
RECOIL STARTER AY
SPIRAL SPRING
REEL
STARTER ROPE
STARTER KNOB
RATCHET
FRICTION SPRING
RATCHET SPRING
STARTER PULLEY
FRICTION PLATE
CENTER SCREW
FLANGE BOLT
QTY. REMARKS
1
Black
1
Yellow
1
4
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
4
- 19 -
FROM-TO
FIG.
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
02-03
SECTION 6
FUEL, LUBRICATION GROUP
FIG. 600
50
EX27
- 20 -
02-03
SECTION 6
FUEL, LUBRICATION GROUP
REF.
10
DESCRIPTION
FUEL TANK CP
FUEL TANK CP
LABEL, warning
LABEL, model
FUEL TANK CAP CP
FUEL FILTER
UNION
FUEL STRAINER AY
FLANGE NUT
FLANGE BOLT
RUBBER PIPE
HOSE CLAMP
CHOKE LEVER CP
20
23
30
40
48
50
60
63
80
90
224
EX27
PART NO.
279-60102-11
279-60101-11
073-20051-80
279-95101-03
043-04300-60
064-13600-10
050-51200-20
279-62102-00
002-38080-00
011-00802-50
085-10600-00
056-11100-30
277-43801-01
QTY.
1
1
1
1
1
1
1
1
2
2
1
2
1
- 21 -
REMARKS
Black
Yellow
leakproof
FROM-TO
FIG.
600
600
600
600
600
600
600
600
600
600
600
600
600
02-03
SECTION 6
FUEL, LUBRICATION GROUP
FIG. 610
-154
-153
EX27
- 22 -
02-03
SECTION 6
FUEL, LUBRICATION GROUP
REF.
210
DESCRIPTION
CARBURETOR AY
CARBURETOR AY
THROTTLE VALVE
SCREW
CHOKE VALVE
SLOW JET
SCREW, idle adjusting
SPRING
CHOKE SHAFT
SHAFT AY
SCREW
PIN FLOAT LEVER
CHAMBER FLOAT
GASKET
GASKET CHAMBER
FLOAT AY
MAIN JET
MAIN JET
DRAIN SCREW
BUSH
ADJUSTING SCREW
SPRING
COLLAR
GASKET
CAP
O-RING
O-RING
FILTER CUP
PACKING, filter cup
-1
-2
-3
-5
-6
-7
-8
-11
-12
-15
-16
-17
-18
-19
-22
-28
-32
-40
-41
-60
-104
-121
-151
-152
-153
-154
EX27
PART NO.
279-62301-10
279-62302-10
279-62535-08
251-62450-08
279-62525-08
279-62420-08
279-62354-08
251-62449-08
279-62520-08
279-62530-08
251-62453-08
279-62515-08
279-62550-08
251-62350-08
279-62540-08
279-62505-08
279-62400-08
279-62401-08
279-62355-08
279-62561-08
279-62353-08
279-62445-08
279-62562-08
279-62552-08
251-62480-08
279-62452-08
279-62451-08
064-20078-10
064-20064-10
QTY.
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
- 23 -
REMARKS
for Foam Air Cleaner
for Dual element Air Cleaner
for Foam Air Cleaner
for Dual element Air Cleaner
FROM-TO
FIG.
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
610
02-03
SECTION 7
ELECTRIC DEVICE GROUP
FIG. 700
EX27
- 24 -
02-03
SECTION 7
ELECTRIC DEVICE GROUP
REF.
10
11
30
50
DESCRIPTION
FLYWHEEL CP
IGNITION COIL CP
BOLT and WASHER AY
WIRE 1 CP
WIRE 2 CP
SWITCH AY
TAPPING SCREW
SPARK PLUG
SPARK PLUG CAP
60
70
100
110
EX27
PART NO.
279-79230-01
279-79430-01
001-14062-50
277-73101-01
277-73102-01
066-00003-71
015-00400-90
065-01401-50
065-50002-70
QTY. REMARKS
1
1
2
1
w/o oil sensor
1
w/ oil sensor
1
2
1
1
- 25 -
FROM-TO
FIG.
700
700
700
700
700
700
700
700
700
02-03
SECTION 7
ELECTRIC DEVICE GROUP
FIG. 710
EX27
- 26 -
02-03
SECTION 7
ELECTRIC DEVICE GROUP
REF.
700
705
740
741
770
775
DESCRIPTION
OIL SENSOR CP
FLOAT
BOLT and WASHER AY
TAPPING BOLT
CLAMP CP
FLANGE BOLT
EX27
PART NO.
279-76301-21
KU3-11043-01
001-14061-60
015-20600-50
214-79006-01
011-00600-10
QTY. REMARKS
1
1
2
1
1
1
- 27 -
FROM-TO
FIG.
710
710
710
710
710
710
02-03
SECTION 9
ACCESSORY GROUP
FIG. 900
EX27
- 28 -
02-03
SECTION 9
ACCESSORY GROUP
REF.
10
DESCRIPTION
ACCESSORY TOOL KIT
EX27
PART NO.
227-90301-H0
QTY. REMARKS
1
- 29 -
FROM-TO
FIG.
900
02-03
PRINTED IN THE USA
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