PARTS
MANUAL
Model
PKX201
PUMP
PUB-PP5872
Rev. 07/03
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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)
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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.
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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
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SECTION 1
PUMP GROUP
FIG. 100
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SECTION 1
PUMP GROUP
REF. PART NO.
110 470-01125-78 CASING
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
100
1
1
1
1
1
3
1
1
1
4
1
4
4
1
3
1
2
1
4
1
1
1
1
3
1
4
4
4
4
8
4
115 470-01127-92 O RING
120 470-01135-33 VOLUTE CASING
130 470-01135-32 IMPELLER
140 470-01106-88 MECHANICAL SEAL
145 470-01104-66 ADJUSTING WASHER
150 470-01150-14 O RING
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
170 470-01100-22 PLUG
172 471-00000-05 O RING
180 001-13082-50 BOLT and WASHER AY
210 470-01125-79 FLANGE BRACKET
280 471-00000-03 SOCKET BOLT
285 471-00000-02 SEAL WASHER
310 470-01126-62 SUCTION FLANGE
314 001-13082-00 BOLT and WASHER AY
320 470-01126-65 CHECK VALVE
350 470-01170-26 COUPLING AY
410 470-01132-45 DELIVERY FLANGE
414 001-13082-50 BOLT and WASHER AY
420 470-01105-41 PACKING, delivery
460 470-01100-22 PLUG
462 471-00000-05 O RING
510 470-01181-59 STRAINER
520 471-00000-01 HOSE BAND
610 470-01172-32 FRAME
670 470-01105-15 CUSHION RUBBER
680 001-66082-00 BOLT
684 003-20080-00 SPRING WASHER
686 003-10080-00 WASHER
690 002-17080-00 NUT
695 001-13083-50 BOLT and WASHER AY
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SECTION 2
CRANKCASE GROUP
FIG. 200
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SECTION 2
CRANKCASE GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
10 276-10102-41 CRANKCASE CP
276-10102-21 CRANKCASE CP
20 237-14201-03 VALVE GUIDE
26 277-16010-01 STEM SEAL
30 044-02502-00 OIL SEAL
40 060-02800-21 BALL BEARING
060-02800-20 BALL BEARING
50 277-15011-03 PIPE KNOCK
60 010-50802-50 STUD
70 010-50603-51 STUD
75 044-00600-20 OIL SEAL
80 040-11400-30 PLUG
90 021-11400-20 GASKET
210 277-11001-31 MAIN BEARING COVER
277-11001-21 MAIN BEARING COVER
277-11001-11 MAIN BEARING COVER
220 044-02502-10 OIL SEAL
230 060-02501-40 BALL BEARING
060-02500-10 BALL BEARING
250 277-45004-21 GOVERNOR GEAR CP
260 263-41901-03 GOVERNOR SLEEVE
270 277-63601-13 OIL GAUGE
275 277-65001-03 FILLER PLUG
280 021-31600-20 GASKET
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
1
W/ OIL SENSOR
W/ OIL SENSOR
5692~
~5691
200
200
200
200
200
200
200
200
200
200
200
200
200
200
5723~
~5722
5692~
5753~5691 200
~5752
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
5753~
~5752
281 021-31600-20 GASKET
300 001-04083-50 FLANGE BOLT
610 276-13001-01 CYLINDER HEAD CP
620 276-15001-13 GASKET, head
630 011-00802-40 FLANGE BOLT
631 001-04083-50 FLANGE BOLT
680 277-15501-01 ROCKER COVER CP
690 277-16001-03 GASKET, rocker cover
700 277-15011-03 PIPE KNOCK
710 011-00600-20 FLANGE BOLT
850 085-10800-00 RUBBER PIPE
960 276-99001-07 GASKET SET
Gasket Sets include the following:
Fig. 200 items 90, 280, 620 and 690
Fig. 400 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.
10 276-20301-21 CRANKSHAFT CP
276-20301-01 CRANKSHAFT CP
1
1
1
1
1
2
1
1
1
2
5692~
~5691
300
300
300
300
300
300
300
300
300
300
50 018-01400-20 FLANGE NUT
70 032-30300-10 WOODRUFF KEY
310 276-22501-10 CONNECTING ROD AY
320 277-23001-03 CONNECTING ROD BOLT
350 276-23301-03 PISTON PIN
360 276-23401-03 PISTON
370 276-23511-07 PISTON RING SET
380 215-25004-03 CLIP
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SECTION 4
INTAKE and EXHAUST GROUP
FIG. 400
340
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SECTION 4
INTAKE and EXHAUST GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
10 277-31601-01 CAMSHAFT CP
25 277-35101-03 PIN, camshaft
27 024-00600-10 O RING
34 277-38601-03 PIN, spring
35 277-36401-03 RELEASE LEVER
37 277-36501-03 CLIP
38 277-38701-03 RETURN SPRING
60 279-33601-03 VALVE SPRING
70 269-33701-03 RETAINER
80 276-33401-33 INTAKE VALVE
90 276-33501-33 EXHAUST VALVE
95 132-10KA0-31 COLLET VALVE
150 276-35601-01 TIMING CHAIN CP
160 277-36911-03 TENTIONER
163 277-37101-03 SPRING, tentioner
166 277-36902-03 PIN, tentioner
170 277-36913-13 CHAIN GUIDE
200 277-35001-23 PIN, rocker
277-35001-13 PIN, rocker
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
1
2
2
1
1
1
2
1
1
2
1
1
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
5692~
400
5661~5691 400
277-35001-03 PIN, rocker
~5660
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
220 277-36101-00 ROCKER ARM AY, in
225 277-36102-00 ROCKER ARM AY, 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 FLANGE BOLT
310 276-30111-01 MUFFLER CP
315 277-37601-01 SPARK ARRESTOR
316 015-00400-60 TAPPING SCREW
320 276-34201-01 MUFFLER COVER CP
277-34201-01 MUFFLER COVER CP
340 277-35201-03 GASKET, muffler
350 980-20082-80 FLANGE NUT
360 015-20600-90 TAPPING BOLT
361 011-00600-10 FLANGE BOLT
365 011-00801-50 FLANGE BOLT
385 277-37203-01 SCREEN CP
387 015-00400-60 TAPPING SCREW
540 277-32902-H3 INSULATOR
550 277-32903-H3 GASKET, insulator
570 002-38060-00 FLANGE NUT
580 011-00600-50 FLANGE BOLT
850 085-10800-00 RUBBER PIPE
5753~
~5752
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SECTION 4
INTAKE and EXHAUST GROUP
FIG. 410
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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
-200 277-32601-08 BASE CP
-220 277-32604-08 PACKING
-250 277-32602-08 COVER CP
-260 277-32609-08 LABEL
1
1
1
1
1
1
Foam
Foam
410
410
410
410
410
410
520 277-32603-08 ELEMENT
Foam
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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.
10 277-42301-13 GOVERNOR LEVER
20 277-42201-33 GOVERNOR SHAFT
277-42201-23 GOVERNOR SHAFT
277-42201-13 GOVERNOR SHAFT
30 279-42701-01 GOVERNOR ROD CP
40 277-42801-13 ROD SPRING
50 003-13050-00 CLIP
60 013-00602-45 BOLT and WASHER AY
70 018-60600-20 NUT
80 279-42502-23 GOVERNOR SPRING
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
370 002-17060-00 NUT
375 237-45004-23 SPRING, adjust
435 277-46001-01 SPEED CONTROL BRKT
450 002-35060-00 SELF LOCK NUT
485 011-00600-20 FLANGE BOLT
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
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
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SECTION 6
COOLING and STARTING GROUP
FIG. 600
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SECTION 6
COOLING and STARTING GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
Yellow
FROM-TO FIG.
10 276-51201-11 BLOWER HOUSING CP
20 073-20051-40 LABEL, trademark
40 011-00600-30 FLANGE BOLT
60 277-52711-11 BAFFLE 1, case
277-52711-01 BAFFLE 1, case
61 277-52702-03 BAFFLE 2, head
80 001-04061-60 FLANGE BOLT
011-00600-20 FLANGE BOLT
81 011-00600-20 FLANGE BOLT
210 268-50201-30 RECOIL STARTER AY
-1 270-50115-08 SPIRAL SPRING
-2 269-50120-08 REEL
-3 269-50110-08 STARTER ROPE
-4 261-50100-08 STARTER KNOB
-5 270-50125-08 RATCHET
1
1
4
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
4
600
600
600
5631~
~5630
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
5631~
~5630
-6 227-50131-08 FRICTION SPRING
-11 268-50145-18 STARTER PULLEY
-35 270-50261-08 RATCHET GUIDE
-49 227-50152-08 SET SCREW
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.
10 276-60101-11 FUEL TANK CP
20 073-20051-81 LABEL, warning
23 276-95101-03 LABEL, model
30 043-04300-50 FUEL TANK CAP CP
40 064-13600-10 FUEL FILTER
48 050-51200-20 UNION
60 002-38060-00 FLANGE NUT
63 011-00601-30 FLANGE BOLT
80 X85-10612-30 RUBBER PIPE
90 X56-11000-30 HOSE CLAMP
224 277-43801-01 CHOKE LEVER CP
1
1
1
1
1
1
2
1
1
2
1
Yellow
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.
210 276-62301-10 CARBURETOR AY
-1 106-62538-08 THROTTLE VALVE
-2 209-62351-08 SCREW
-3 277-62525-08 CHOKE VALVE
-5 246-62420-08 PILOT JET
-8 277-62520-08 CHOKE LEVER
-11 276-62530-08 THROTTLE SHAFT
-12 227-62451-08 BOLT
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
#160
#40
-14 277-62500-08 NEEDLE
-15 277-62515-08 PIN
-16 277-62506-08 FLOAT BODY
-17 214-62450-08 PACKING
-18 214-62540-08 CHAMBER PACKING
-19 226-62506-08 FLOAT AY
-20 276-62440-08 MAIN NOZZLE
-22 277-62404-08 MAIN JET
-24 226-62701-18 CLIP
-28 277-62360-08 BOLT
-41 230-62446-08 SPRING
-44 207-62410-08 AIR JET
#81.3
-45 106-62410-08 AIR JET, pilot
-104 236-62541-08 PACKING
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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.
10 276-79230-11 FLYWHEEL CP
11 277-79431-01 IGNITION COIL CP
30 001-14062-50 BOLT and WASHER AY
50 277-73102-H1 WIRE 2 CP
1
1
2
1
1
2
1
1
1
1
2
1
800
800
800
800
800
800
800
800
800
800
800
800
60 X66-00003-61 SWITCH AY
70 015-00400-90 TAPPING SCREW
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 AY
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
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