PARTS
MANUAL
Model
PKX201H
PUMP
PUB-PP5878
Rev. 06/03
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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 specifica-
tion 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:
P K X 201
X X X X
SPEC NO. (11 digits)
CODE NO. (4 digits)
PRODUCT NO. (15 digits)
PKX201H
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MANUAL LAYOUT
1
2
4
3
1
3
9
6
7
2
5
4
8
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
6. DESCRIPTION
7. QTY.
It is the number assigned for sales unit. Use the PART No. when making an order.
It is designation of the part.
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
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.
PKX201H
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GROUP INDEX
Group Name
Page
PUMP ......................................................................................................... 6
CRANKCASE GROUP............................................................................... 8
CRANKSHAFT GROUP........................................................................... 10
INTAKE and EXHAUST GROUP.............................................................. 12
GOVERNOR GROUP .............................................................................. 16
COOLING and STARTING GROUP......................................................... 18
FUEL, LUBRICANT GROUP.................................................................... 20
CARBURETOR GROUP .......................................................................... 22
ELECTRIC DEVICE GROUP .................................................................. 24
ACCESSORY GROUP............................................................................. 26
INDEX OF DESCRIPTION SYMBOLS
SYMBOL
DESCRIPTION
SYMBOL
DESCRIPTION
AY...........................ASSEMBLY
CP...........................COMPLETE
EX...........................EXPORT (from Japan)
FIG..........................FIGURE
P=...........................PITCH (in mm)
P.T.O. (PTO) ...........POWER TAKE OFF
REF.........................REFERENCE
R.H. (RH)................RIGHT HAND SIDE
RR. .........................REAR
FR...........................FRONT
" ..............................INCH
INCL. ......................INCLUDE
~L............................LITER
L= ...........................LENGTH (in. mm)
L.H. (LH).................LEFT-HAND SIDE
MECH.....................MECHANICAL
NO (NON)...............NONE
STD. .......................STANDARD
SW..........................SWITCH
T= ...........................THICKNESS (in mm)
UN ..........................UNIT
U.S..........................UNDER SIZE
~V...........................VOLTAGE
~W..........................WATT
OPT.........................OPTIONAL
O.S. ........................OVER SIZE
W/ ...........................WITH
W/O ........................WITHOUT
PKX201H
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SECTION 1
PUMP GROUP
F
PKX201H
- 6 -
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SECTION 1
PUMP GROUP
REF. PART NO.
DESCRIPTION
CASING
O RING
INNNER CASING
IMPELLER
MECHANICAL SEAL
ADJUSTING WASHER
O RING
QTY. REMARKS
FROM-TO FIG.
100
110
115
120
130
140
145
150
170
172
180
210
280
285
310
314
320
410
414
420
460
462
510
520
610
670
680
381
684
686
690
691
910
470-01141-84
470-01139-89
470-01128-18
470-01128-61
470-01108-63
470-01104-91
470-01150-16
470-01180-79
471-00000-09 O RING
471-00000-32 BOLT AND WASHER
470-01105-68
471-00000-03 SOCKET BOLT
471-00000-02 SEAL WASHER
470-01143-24
471-00000-50 BOLT AND WASHER
470-01127-99
470-01133-82
471-00000-34 BOLT AND WASHER
470-01105-84
470-01180-78
471-00000-05 O RING
470-01180-47
471-00000-01 HOSE BAND
1
1
1
1
1
3
1
1
1
4
1
4
4
1
3
1
1
4
1
1
1
1
3
1
4
4
4
4
4
4
4
1
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
PLUG AY
FLANGE BRACKET
SUCTION FLANGE
CHECK VALVE
DELIVERY FLANGE
PACKING, delivery
PLUG AY
STRAINER
470-01177-49
470-01105-15
471-00000-65 BOLT AND WASHER
471-00000-71 BOLT AND WASHER
471-00000-68 SPRING WASHER
471-00000-66 WASHER
471-00000-57 NUT
471-00000-57 NUT
470-01165-73
FRAME
CUSHION RUBBER
LABEL, pump name
PKX201H
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SECTION 2
CRANKCASE GROUP
FIG. 200
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SECTION 2
CRANKCASE GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
w/ oil sensor
FROM-TO FIG.
10
10
20
26
277-10102-41 CRANKCASE CP
277-10102-31 CRANKCASE CP
237-14201-03 VALVE GUIDE
277-16010-01 STEM SEAL
044-02502-00 OIL SEAL
1
1
2
1
1
1
1
2
2
2
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
6
1
1
4
1
1
1
2
4
1
5692-
-5691
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
30
40
40
50
60
060-02800-21 BALL BEARING
060-02800-20 BALL BEARING
277-15011-03 PIPE KNOCK
010-50802-50 STUD
5692-
-5691
70
010-50603-51 STUD
75
044-00600-20 OIL SEAL
80
040-11400-30 PLUG
90
021-11400-20 GASKET
210
210
210
220
230
230
250
260
270
275
280
281
300
610
620
630
631
680
690
700
710
960
277-11001-31 MAIN BEARING COVER
277-11001-21 MAIN BEARING COVER
277-11001-11 MAIN BEARING COVER
044-02502-10 OIL SEAL
060-02501-40 BALL BEARING
060-02500-10 BALL BEARING
277-45004-21 GOVERNOR GEAR CP
263-41901-03 GOVERNOR SLEEVE
277-63601-13 OIL GAUGE
5692-
5753-5691
-5752
5692-
-5691
277-65001-03 FILLER PLUG
021-31600-20 GASKET
021-31600-20 GASKET
001-04083-50 FLANGE BOLT
277-13001-01 CYLINDER HEAD CP
277-15001-13 GASKET, HEAD
011-00802-40 FLANGE BOLT
001-04083-50 FLANGE BOLT
277-15501-01 ROCKER COVER CP
277-16001-03 GASKET, rocker cover
277-15011-03 PIPE KNOCK
011-00600-20 FLANGE BOLT
277-99001-07 GASKET SET
Gasket Sets include the following:
Fig. 300 items 90, 280, 620 and 690
Fig. 500 items 340 and 550
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SECTION 3
CRANKSHAFT GROUP
FIG. 300
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SECTION 3
CRANKSHAFT GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
5784- 300
5692-5783 300
10
10
10
50
277-20301-21 CRANKSHAFT CP
277-20301-11 CRANKSHAFT CP
277-20301-01 CRANKSHAFT CP
018-01400-20 FLANGE NUT
032-30300-10 WOODRUFF KEY
277-22501-10 CONNECTING ROD AY
277-23001-03 CONNECTING ROD BOLT
277-23301-03 PISTON PIN
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
-5691
300
300
300
300
300
300
300
300
300
300
300
300
300
70
310
320
350
360
361
362
370
371
372
380
277-23401-03 PISTON
STD
277-23403-03 PISTON
Oversize 0.25
Oversize 0.50
STD
Oversize 0.25
Oversize 0.50
277-23404-03 PISTON
277-23511-27 PISTON RING SET
277-23512-07 PISTON RING SET
277-23413-07 PISTON RING SET
056-51600-10 CLIP
PKX201H
- 11 -
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SECTION 4
INTAKE and EXHAUST GROUP
FIG. 400
PKX201H
- 12 -
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SECTION 4
INTAKE and EXHAUST GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
10
25
27
34
35
37
38
60
70
80
90
95
277-31601-01 CAMSHAFT
277-35101-03 PIN, CAMSHAFT
024-00600-10 O RING
277-38601-03 PIN, SPRING
277-36401-03 RELEASE LEVER
277-36501-03 CLIP
277-38701-03 RETURN SPRING
279-33601-03 VALVE SPRING
269-33701-03 SPRING RETAINER
277-33401-13 INTAKE VALVE
277-33501-13 EXHAUST VALVE
132-10KA0-31 COLLET VALVE
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
1
1
1
1
2
2
1
1
1
2
1
1
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
150 277-35601-01 TIMING CHAIN
160 277-36911-03 TENTIONER
163 277-37101-03 SPRIN, TENTENER
166 277-36902-03 PIN, TENTIONER
170 277-36913-13 CHAIN GUIDE
200 277-35001-23 PIN, ROCKER
200 277-35001-13 PIN, ROCKER
220 277-36101-00 ROCKER ARM, IN
225 277-36102-00 ROCKER ARM, EX
230 014-90500-10 ADJUST SCREW
231 014-90500-10 ADJUST SCREW
240 017-00500-20 NUT
241 017-00500-20 NUT
290 011-00600-20
310 277-30111-01
315 277-37601-07 SPARK ARRESTOR
316 015-00400-60 TAPPING SCREW
320 277-34201-11
320 277-34201-01 MUFFLER COVER
340 277-35201-03 GASKET, MUFFLER
350 980-20082-80 FLANGE NUT
360 015-20600-90 TAPPING BOLT
361 011-00600-10
365 011-00801-50
385 277-37203-01 SCREEN CP
387 015-00400-60 TAPPINGSCREW
540 277-32902-H1 INSULATOR
550 277-35902-H3 GASKET, insulator
5692-
-5691
FLANGE BOLT
MUFFLER CP
MUFFLER COVER
5753-
-5752
FLANGE BOLT
FLANGE BOLT
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SECTION 4
INTAKE and EXHAUST GROUP
FIG. 410
PKX201H
- 14 -
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SECTION 4
INTAKE and EXHAUST GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
510 277-32611-00
AIR CLEANER AY
1
1
1
1
1
1
2
1
1
400
400
400
400
400
400
400
400
400
-200 277-32601-08 BASE CP
-220 277-32604-08 PACKING
-250 277-32602-08 COVER CP
-260 277-32609-08 LABEL
520 277-32603-08 ELEMENT
570 002-38060-00 FLANGE NUT
580 011-00600-50
850 085-10800-00 RUBBER PIPE
FLANGE BOLT
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SECTION 5
GOVERNOR GROUP
FIG. 500
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SECTION 5
GOVERNOR GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
10
20
20
20
30
40
50
60
70
80
277-42301-13 GOVERNOR LEVER
277-42201-33 GOVERNOR SHAFT
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
500
5600-
5539-5599 500
-5538
500
277-42201-23 GOVERNOR SHAFT
277-42201-13 GOVERNOR SHAFT
277-42701-01 GOVERNOR ROD CP
277-42801-13 ROD SPRING
003-13050-00 CLIP
013-00602-40 BOLT AND WAHER AY
018-60600-20 NUT
279-42502-23 GOVERNOR SPRING
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
310 277-43301-13 SPEED CONTROL LEVER
340 277-43501-03 STOP PLATE
350 020-00601-70 WASHER
355 021-70600-70 FRICTION WASHER
360 014-00601-80 SCREW
365 237-45004-23 SPRING, ADJUST
370 002-17060-00 NUT
435 277-46001-01 SPEED CONTROL BRACKET
450 002-35060-00 SELF LOCK NUT
485 011-00600-20 FLANGE BOLT
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SECTION 6
COOLING and STARTING GROUP
FIG
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SECTION 6
COOLING and STARTING GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
10
20
40
60
60
61
80
80
81
277-51201-11
073-20051-40 LABEL, trademark
BLOWER HOUSING
1
1
4
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
4
600
600
600
011-00600-30
277-52711-11
277-52711-01
277-52702-03 BAFFLE 2, head
001-04061-60 FLANGE BOLT
FLANGE BOLT
BAFFLE 1,case
BAFFLE 1, case
5631-
-5630
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
5631-
-5630
011-00600-20
011-00600-20
FLANGE BOLT
FLANGE BOLT
210 269-50201-30 RECOIL STARTER AY
-1
-2
-3
-4
-5
-6
-11
-35
-49
270-50115-08
269-50120-08 REEL
269-50112-08
261-50100-08 STARTER KNOB
270-50125-08 RATCHET
227-50131-08 FRICTION SPRING
269-50145-18 STARTER PULLEY
270-50261-08 RATCHET GUIDE
277-50152-08 SET SCREW
SPRIRAL SPRING
STARTER ROPE
220 011-00600-10
FLANGE BOLT
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SECTION 7
FUEL, LUBRICATION GROUP
FIG. 700
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SECTION 7
FUEL, LUBRICATION GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
10
20
23
30
40
48
60
63
80
90
224
277-60101-11 FUEL TANK CP
073-20051-81 LABEL, warning
277-95101-03 LABEL, MODEL
043-04400-50 FUEL TANK CAP
064-13600-10 FULE FILTER
050-51200-20 UNION
002-38060-00 FLANGE NUT
011-00601-30 FLANGE BOLT
X85-10612-40 RUBBER PIPE
X56-11000-30 HOSE CLAMP
277-43801-01 CHOKE LEVER CP
1
1
1
1
1
1
2
1
1
2
1
700
700
700
700
700
700
700
700
700
700
700
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SECTION 7
FUEL, LUBRICATION GROUP
FIG. 710
210
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SECTION 7
FUEL, LUBRICATION GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
210 277-62301-10 CARBURETOR AY
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
-1
-2
277-62535-08 THROTTLE VALVE
209-62351-08 SCREW
-3
-5
-8
277-62525-08 CHOKE VALVE
246-62420-08 PILOT JET
277-62520-08 CHOKE LEVER
277-62530-08 THROTTLE SHAFT
277-62451-08 BOLT
#40
-11
-12
-14
-15
-16
-17
-18
-19
-20
-22
-24
-28
-44
-45
277-62500-08 NEEDLE
277-62515-08 PIN
277-62506-08 FLOAT BODY
214-62450-08 PACKING
214-62540-08 CHAMBER PACKING
226-62506-08 FLOAT AY
277-62440-08 MAIN NOZZLE
277-62402-08 MAIN JET
226-62701-18 CLIP
277-62360-08 BOLT
248-62410-08 AIR JET
106-62410-08 AIT JET, PILOT
#81.3
-104 236-62541-08 PACKING
-302 064-20064-10 PACKING
-303 064-20078-10 CUP
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SECTION 8
ELECTRIC DEVICE GROUP
FIG. 800
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SECTION 8
ELECTRIC DEVICE GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
10
11
30
50
60
70
277-79230-11 FLYWHEEL CP
277-79431-11 IGNITION COIL
001-14062-50 BOLT AND WASHER
277-73102-H1 WIRE 2 CP
X66-00003-61 SWITCH AY
015-00400-90 TAPPING SCREW
1
1
2
1
1
2
1
1
1
1
2
1
800
800
800
800
800
800
800
800
800
800
800
800
100 065-01401-50 SPARK PLUG
110 065-50002-70 SPARK PLUG CAP
700 277-76301-11 OIL SENSOR CP
705 KU3-11043-11 FLOAT C/U CP3
740 001-14061-60 BOLT AND WASHER
741 015-20500-10 TAPPING SCREW
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SECTION 9
ACCESSORY GROUP
FIG. 900
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SECTION 9
ACCESSORY GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
10 227-90301-H0 ACCESSORY TOOL KIT
1
900
PKX201H
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