PARTS
MANUAL
Model
PKX301T
PUMP
PUB-PP5880
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:
E X 2 7 0
X X X X
SPEC NO. (11 digits)
CODE NO. (4 digits)
PRODUCT NO. (15 digits)
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MANUAL LAYOUT
1
4
3
2
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 GROUP........................................................................................... 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.
DESCRIPTION
CASING
CASING PACKING
ORING
INNER CASING
IMPELLER
WEAR PLATE
MECHANICAL SEAL
ADJUSTING WASHER
FRONT COVER PACKING
PLUG AY
QTY. REMARKS
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
100
100
100
100
100
100
100
100
100
100
100
100
100
100
110
113
115
120
130
135
140
145
150
170
172
190
191
193
194
210
260
262
270
272
276
280
285
310
314
320
410
414
420
430
435
440
460
462
510
520
610
630
632
370
371
380
381
390
391
910
470-01154-46
470-01155-78
470-01156-76
470-01161-64
470-01155-58
470-01160-86
470-01156-78
470-01100-81
470-01155-79
470-01180-79
1
1
1
1
1
1
1
3
1
1
1
2
2
3
3
1
1
1
4
4
4
4
4
1
6
1
1
4
1
1
4
1
1
1
1
3
1
1
1
1
2
2
4
2
4
1
471-00000-09 O RING
471-00000-74 SOCKET BOLT
471-00000-02 SEAL WASHER
471-00000-75 BOLT AND WASHER
470-01161-73
470-01158-82
470-01180-78
471-00000-09 O RING
470-01155-80
471-00000-73 BOLT AND WASHER
470-01155-90
470-01165-17
470-01164-93
470-01113-60
471-00000-50 BOLT AND WASHER
470-01156-92
470-01155-47
471-00000-34 BOLT AND WSHER
470-01155-48
470-01158-37
471-00000-34 BOLT AND WASHER
470-01105-84
470-01184-50
471-00000-20 O RING
470-01109-78
471-00000-39 HOSE BAND
470-01177-17
470-01157-78
471-00000-79 WING BOLT
470-01161-72
470-01161-72
471-00000-80 BOLT AND WASHER
471-00000-73 BOLT AND WASHER
471-00000-38 NUT
WASHER
FRONT COVER PACKING
PLUG AY
COVER BOLT
KNOB
SOCKET BOLT
WASHER
SUCTION FLANGE
CHECK VALVE
DELIVERY BODY
HEAD PACKING
DELLIVERY FLANGE
PACKING, DELIVERY
PLUG AY
STRAINER
FRAME
TOOL
CUSHION RUBBER
CUSHION RUBBER
471-00000-76 NUT
471-01165-80
LABEL, PUMP NAME
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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.
200
10 279-10102-21 CRANKCASE CP
20 237-14202-03 VALVE GUIDE
26 277-16010-01 STEM SEAL
30 044-03001-60 OIL SEAL
40 060-03003-40 BALL BEARING
50 277-15011-03 PIPE KNOCK
60 010-50802-50 STUD
70 010-50604-10 STUD
75 044-00600-20 OIL SEAL
80 040-11400-30 PLUG
90 021-11400-20 GASKET
1
2
1
1
1
2
2
2
1
2
2
1
1
1
1
1
1
1
1
1
7
1
1
4
1
1
1
2
4
1
1
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
210 279-11001-11 MAIN BEARING COVER CP
220 044-03001-60 OIL SEAL
230 060-03000-20 BALL BEARING
250 277-45004-11 GOVERNOR GEAR CP
260 263-41901-03 GOVERNOR SLEEVE
270 279-63601-03 OIL GAUGE
275 279-65001-03 FILLER PLUG
280 021-32000-50 GASKET
281 021-32000-50 GASKET
300 001-04083-50 FLANGE BOLT
610 279-13001-01 CYLINDER HEAD CP
620 279-15001-13 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
960 279-99001-07 GASKET SET
EX0-20000-01 GASKET IN A TUBE
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.
10 279-20301-11 CRANKSHAFT CP
50 018-01800-10 FLANGE NUT
70 032-30300-10 WOODRUFF KEY
310 279-22501-20 CONNECTING ROD AY
320 279-23001-03 CONNECTING ROD BOLT
350 279-23301-03 PISTON PIN
360 279-23401-03 PISTON
1
1
1
1
2
1
1
1
2
300
300
300
300
300
300
300
300
300
370 279-23511-07 PISTON RING SET
380 056-51800-10 CLIP
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SECTION 4
INTAKE and EXHAUST GROUP
FIG. 400
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SECTION 4
INTAKE and EXHAUST GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
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
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
10 279-31601-01 CAMSHAFT CP
25 277-35101-03 PIN, camshaft
27 024-00600-10 O RING
34 277-38601-03 PIN, spring
35 279-36401-03 RELEASE LEVER
37 277-36501-03 CLIP
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
1
2
1
38 277-38701-03 RETURN SPRING
60 279-33601-03 VALVE SPRING
70 132-09KA0-40 RETAINER VALVE SPRING
80 279-33401-13 INTAKE VALVE
90 279-33501-13 EXHAUST VALVE
95 132-10KA0-31 COLLET VALVE
150 279-35601-01 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
200 277-35001-03 PIN, rocker
220 277-36101-00 ROCKER ARM AY, intake
225 277-36102-00 ROCKER ARM AY, exhaust
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
310 279-30101-11 MUFFLER CP
320 279-34201-11 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
440 277-37001-03 DEFLECTOR
445 015-00400-60 TAPPING SCREW
510 279-32612-00 AIR CLEANER AY
540 279-32901-11 INSULATOR CP
550 279-35901-13 GASKET, insulator
570 002-38060-00 FLANGE NUT
580 011-00600-50 FLANGE BOLT
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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.
510 279-32712-00 AIR CLEANER AY
-200 279-32631-08 CASE
-210 279-32720-08 PACKING
-220 279-32650-08 GASKET
-250 279-32640-08 COVER
-260 279-32730-08 LABEL
-270 279-32740-08 NUT
1
1
1
1
1
1
1
1
Dual
Dual
Dual
410
410
410
410
410
410
410
410
Dual
Dual
520 279-32607-07 ELEMENT
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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.
10 279-42301-13 GOVERNOR LEVER
20 277-42201-13 GOVERNOR SHAFT
30 279-42701-01 GOVERNOR ROD CP
40 277-42801-13 ROD SPRING
50 003-13050-00 CLIP
60 001-14062-50 BOLT and WASHER AY
70 018-60600-20 NUT
80 279-42502-03 GOVERNOR SPRING
310 279-43302-01 SPEED CONTROL LEVER
340 277-43501-03 STOP PLATE
350 020-00601-70 WASHER
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
355 021-70600-70 FRICTION WASHER
360 004-31064-00 SCREW
365 237-45004-23 SPRING, adjust
370 002-17060-00 NUT
395 277-43901-03 CLAMP
396 004-36051-60 SCREW and WASHER AY
435 277-46001-01 SPEED CONTROL BRKT CP
440 004-31040-80 SCREW
450 002-35060-00 SELF LOCK NUT
480 267-45101-03 RETURN SPRING
485 011-00600-20 FLANGE BOLT
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SECTION 6
COOLING and STARTING GROUP
FI
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SECTION 6
COOLING and STARTING GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
Yellow
FROM-TO FIG.
10 279-51201-01 BLOWER HOUSING
20 073-20051-40 LABEL, trademark
40 011-00600-20 FLANGE BOLT
60 279-52711-11 BAFFLE 1 CP, case
61 279-52702-03 BAFFLE 2, head
80 001-65081-20 BOLT
81 011-00600-20 FLANGE BOLT
210 279-50202-00 RECOIL STARTER AY
-1 226-50716-08 SPIRAL SPRING
-2 279-50120-08 REEL
-3 279-5010-08
-4 226-50701-08 STARTER KNOB
-5 279-50125-08 RATCHET
-6 226-50731-08 FRICTION SPRING
-7 226-50752-08 RATCHET SPRING
-11 279-50145-08 STARTER PULLEY
-35 226-50741-08 FRICTION PLATE
-49 226-50753-08 CENTER SCREW
220 011-00600-10 FLANGE BOLT
1
1
4
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
4
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
STARTER ROPE
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SECTION 7
FUEL, LUBRICATION GROUP
FIG. 700
50
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SECTION 7
FUEL, LUBRICATION GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
10 279-60101-11 FUEL TANK CP
20 073-20051-80 LABEL, warning
23 279-95101-03 LABEL, model
30 043-04300-60 FUEL TANK CAP CP
40 064-13600-10 FUEL FILTER
45 064-80007-00 FUEL GAUGE CP
46 014-50500-40 SCREW, countersink
48 050-51200-20 UNION
50 279-62102-00 FUEL STRAINER AY
60 002-38080-00 FLANGE NUT
63 011-00802-50 FLANGE BOLT
80 085-10600-00 RUBBER PIPE
90 056-11100-20 HOSE CLAMP
224 277-43801-01 CHOKE LEVER CP
1
1
1
1
1
1
2
1
1
2
2
1
2
1
Yellow
700
700
700
700
700
700
700
700
700
700
700
700
700
700
leakproof
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SECTION 7
FUEL, LUBRICATION GROUP
FIG. 710
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SECTION 7
FUEL, LUBRICATION GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
710
210 279-62402-10 CARBURETOR AY
-1 279-62535-08 VALVE THROTTLE
-2 251-62450-08 SCREW
-3 279-62525-08 VALVE CHOKE
-5 279-62420-08 SLOW JET
-8 279-62520-08 CHOKE SHAFT
-11 279-62530-08 SHAFT SUB AY, THROTTLE
-12 251-62453-08 SCREW
-14 279-62500-08 VALVE NEEDLE AY
-15 279-62515-08 PIN FLOAT LEVER
-16 279-62550-08 CHAMBER FLOAT
-17 251-62350-08 GASKET
-18 279-62540-08 CHAMBER GASKET
-19 279-62505-08 FLOAT SUB AY
-22 279-62401-08 MAIN JET
-28 279-62355-08 DRAIN SCREW
-32 279-62561-08 BUSH
-40 279-62353-08 ADJUSTING SCREW
-41 279-62445-08 SPRING
-60 279-62562-08 COLLAR
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
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
-104 279-62552-08 GASKET
-151 279-62452-08 O RING
-152 279-62451-08 O RING
-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.
10 279-79230-01 FLYWHEEL CP
11 279-79430-01 IGNITION COIL CP
12 279-79301-01 LAMP COIL CP
30 001-14062-50 BOLT and WASHER AY
35 004-35062-00 SCREW and WASHER AY
50 277-73102-01 WIRE 2 CP
1
1
1
2
2
1
1
2
1
1
1
1
2
1
1
1
1
800
800
800
800
800
800
800
800
800
800
800
800
800
800
800
800
800
60 066-00003-71 SWITCH AY
70 015-00400-90 TAPPING SCREW
100 065-01401-50 SPARK PLUG
110 065-50002-70 SPARK PLUG CAP
700 279-76301-01 OIL SENSOR CP
705 KU3-11043-01 FLOAT
740 001-14061-60 BOLT and WASHER AY
741 011-00600-20 FLANGE BOLT
770 214-79006-01 CLAMP CP
771 279-75501-03 WIRE CLAMP
775 011-00600-10 FLANGE BOLT
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SECTION 8
ELECTRIC DEVICE GROUP
FIG. 810
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SECTION 8
ELECTRIC DEVICE GROUP
REF. PART NO.
DESCRIPTION
QTY. REMARKS
FROM-TO FIG.
700 279-76301-21 OIL SENSOR CP
705 KU3-11043-01 FLOAT
1
1
2
1
1
1
1
810
810
810
810
810
810
810
740 001-14061-60 BOLT and WASHER AY
741 011-00600-20 FLANGE BOLT
770 214-79006-01 CLAMP CP
771 279-75501-03 WIRE CLAMP
775 011-00600-10 FLANGE BOLT
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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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