EY25W - Subaru Robin

WISCONSIN ROBIN
WR-W1 -EY25WPM
REV DATE: 01-92
Introduction
This catalog is designed to identify Wisconsin Robin parts.
When ordering parts, it is always advisable to listthe engine model, specification number
and serial number. With this information, we can check your order for any incomect part
numbers. Use your Service Parts List to ensure proper part number and nomenclature
identification.
TELEDYNE TOTAL POWER reserves the right to modify, alter and improve engines and
parts. Part numbers
and the structure of parts may change from those shown this
in catalog.
Table of Contents
Crankcase and Cylinder Head ...........................................................................................
1
Crankshaft, Camshaft, Piston, Rod and Valve .................................................................
2
Governor and Speed Control ....................................... .. .....................................................
3
Shrouding, Muffler and Starting Pulley ......................... .......................... .............. ...........4
Fuel Tank............................................................................................... ................................
5
Magneto ............................................................................................. .. ....
.. .......... .............. ....5
Carburetor and Air Cleaner ................................................................................................
6
Magneto, Charging Coil and Flywheel forStarting Motor ............................................
7
Control Box, Switches and Rectifier
...........................................
.......................................8
Electric Starting Motor ....................................................................................... .................. 9
Electrical System .........................................
........................................................................
10
Recoil Starter Assembly .............................
.......................................................................
11
6:1 Gear Reduction Unit ............................................................... ....
......_...........
............... 12
CRANKCASE and CYLINDER HEAD Group
.
For Model EY 25W
Fig 1
22
.
15
11
12
16
NOTE:
lRef.
YO
T
.
Items
without
a part
number
Part
Number
1
ore not
sold
seporotely
No
Description
CYLINDER
Ref
No
..
.CRANKCASE
......................................
E Y 2071420503
VALVEGUIDE
3
EY0105100050
STUD. cylinder head mounting
10mm x 74mm long
4
EY 0105100060 STUD. cylinder heod mounting
10 mm x 50 mm long
5
6
EY 0105080031 STUD.
governor control mounting ........
EY 0013106351 STUD. carburetor mounting ..................
6mm x 35mm long
.
.
2
............
4
............
4
......................
7
EY 0013108301
8
9
EY 0600300020 BEARING.crankshaft main ................
DOWEL PIN. gear cover ......................
mounting
..
.
2-4
2
.
STUD.muffler
8mm x 3 0 m m long .
...
1
2
2
..........................
COV.ER assembly ......................
20
21
22
EY 0023810000 LOCKNUT, cylinder head
23
E Y 0650140031
(optional)
SPARK P L U G with gasket
Chompion L86, AC43F. NGK B6HS
24
EY 2071440401
25
EY 0851080020
26
E Y 0 1 10060020 SCREW,
27
t
t
28
1
29
30 E Y 2033<20101
16
17
t
t
GASKET.
gear
cover
............................
..............
.
EY 0016608250 SCREW. gear cover mounting
8mm x 25mm long, hex heod
E Y 0401140030
........
OILDRAINPLUG.(metal)with
EY 0211 140020 Gasket Beginning
with engine Serial No 260694
1
1
to
When ordering parts: Always give
t
31 EY 0021908000
32
t
t
1
1
....
..................
8
INSPECTION COVER
.......;....-............
..............................
inspection cover ....................
1
B R E A T H E RT U B E
1
10mm
.
1
.
2
................
1
............................
GASKET,breather p l a t e ......................
GASKET. muffler mounting ..................
NUT.muffler mounting ........................
1
GASKET,
inspection cover
B R E A T H E RP L A T E
8 m m thread, hexagon brass
GASKET.
insulating plate
.
1
1
2
..................
......
1
.........
2
1
33 EY 20632901 03 INSULATING PLATE, carburetor
3 5 EY 0032006000 LOCKWASHER. carburetor mt'g
6mm, spring l o c k
1
36
E Y 0022806000
37
EY 2083600303 GASKET. carburetor flange
...!............
1
38
E Y 003 1006000WASHER, carburetor mounting ............
6.4mmI.D.x 13rnmO.D.,plain steel
2
1
.
8
* *
1
.
.
EY 042014001 1 OIL DRAIN PLUG (obsolete - rubber)
Previous
Serial No . 260694 .
E Y 21.414301 11
t
.
15
-
6 m m x 12mm long. hex flange head
2
2
E Y 2071110211 GEAR
Includes: Bearing (Ref 8)
E Y 0440300030 OIL SEAL ................
E Y 0420220010 P L U G (not i l l u s t )
NOTE: Gear cover assombly for 6:l Reduction Unit,
Refer t o page 12
E Y 2066360117 O I L F I L L E R - DIPSTICK ................
Includes:
EY 0213200010 GASKET ..................
14
1
................................
EY2071320113
......................
E Y 2 0 ~ 1 5 6 0 1 0 1GASKET,cylinderhead
wire
CYLINDERHEAD
I1
13
1
....................
EY 0241030020 GROMMET.ignitionwire
1
. ...
....................
EY 0241080070 GROMMET. ignition
19
EY0440300030OILSEAL.crankcase
12
.
ig-
Description
18
IO
.
.
Part
Nurnber
NUT. carburetor mounting ....................
6 m m thread. hexagon s t e e l
39 EY 0655000050 CAP.spark
1
..
.
.
plug
1
2
............. ............-......
.
Model. Specification and Serial Numbers o f e n g i n e
1
MRP-112.1
CRANKSHAFT, CAMSHAFT, PISTON, ROD and VALVE Group
Fig. 2
For Model EY25W
18
N O T E : Items without a part number are not sold separately.
Ref.
No.
Part
Number
1
2
3
4
5
6
Description
Qtr.
C R A N K S H A F T w i t h g e a r ...................
KEYWAY SHAFT (std.) i l l u s t r a t e d ..
T H R E A D E D pump shaft extension ...
T A P E R E D generator shaft ext. ........
1
EY2072030101
EY2072040101
EY2072050101
EY0230300090
EY0230300100
EY0230300110
A D J U S T I N G C O L L A R 'A'.740-.748"
.74a t o .7s6
'8'
.756 t o .764
'C'
1
EY0323030010
KEY, f l y w h e e l m o u n t i n g
3 mm w i d e x 6 mm high, woodruff
EY0032014000
EY0021814000
....................
LOCKWASHER, f l y w h e e l n u t
14 mm s p r i n g l o c k
NUT, f l y w h e e l m o u n t i n g ._..................
14 mm thread, hexagon steel
E Y 2072351 107 RING SET, s t a n d a r ds i z e
C o n s i s t i n g of:
EY2072351207
EY2072351307
7
EY2072340103
EY2072340203.
E12072340303
e8
9
-
............
.................
......................
SCRAPER RING' ................................
O I L R I N G ...........................................
.010' o v e r s i z e R i n g Set
.020" o v e r s i z e R i n g Set
PISTON, s t a n d a r d s i z e
.010' o v e r s i z e P i s t o n
.020' o v e r s i z e P i s t o n
EY2072330103
PIN, p i s t o n
EYOM5160010
SNAPRING,
.....................
15
No.
Port
Number
10
E Y 2132250100
?of.
Description
..........
1
EY 2072310103 OIL SCRAPER ....-.
EY 2072320103 LOCK PLAT€
......
EY 2072300103 ROD B O L T ............
1
1
2
CONNECTING ROD assembly
Includes:
11
12
13
1
1
1
1
E Y 2132250200
.020 i n c h u n d e r s i z e c o n n e c t i n g r o d
..
-
14
15
16
17
EY 2073180121
CAMSHAFT assembly, includes: ......
G O V E R N O R . P L A T E assembly ......
R I V E T , 4 m m x 13mm)ong. rd. head
PIN, governorsleeve. ......................
1
1
2
1
18
E Y 20641901 13
GOVERNORSLEEVE
........................
I N L E T V A L V E .....................................
E X H A U S T V A L V E ..............................
V A L V E S P R I N G ..................................
RETAINER, v a l v e s p r i n g ..................
1
2
............
2
19
E Y 20733401 13
20
EY 20733501 13
21
EY 2063360103
22
EY 20633701 13
23
EY 20633801 13 LOCK, v a l v e s p r i n g r e t a i n e r
24
EY 2073330203
1 COMPRESSION
RING
25 EY2079900117
1
1
VALVE TAPPET
................................
ENGINE GASKET SET
Consisting of:
......................
..............
..........
GEAR COVER g a s k e t
C Y L I N D E RH E A D gasket
B R E A T H E R P L A T E gasket
INSPECTIONCOVER g a s k e t ........
M U F F L E R F L A N G E gasket
C A R B U R E T O R F L A N G E g a s k e t ....
AIR CLEANER gosket
....................
26
1
.....................
2
EY 0230300120
WASHER, governor thrust (obsolete) ..
Serial # 267229 thru # 323770
-
When ordering ports: .Always give Model, Specification and Serial Numbers of engine.
MRP-113-1
......................
..........
1
..........................................
piston pin
-
17 16
2
1
1
2
2
1
1
1
1
1
1
1
1
1
J
GOVERNOR and SPEED CONTROL Group
Fig.
For Model EY 25W
16
- NOTE:
Items without
Ref.
No.
-
Number
0
EY 2074230 117
Port
a part number are not
!sq
!ef.
to.
Port
Number
G O V E R N O R L E V E R ond SHAFT SET
(Includes Items 1 t h r u 7, 21 ond 22).
................
GOVERNOR LEVER
1
0
EY 2074330107
1
11
SCREW, governorlever
............_.......
6 m m x 25 mm long, hex head.
1
Ho.
-
~~
.......:
1
2
LOCKWASHER, governorlever
3
........
-
1
..........................
GOVERNOR CONTROL LEVERSET
(Includes Items 11 t h r u 20).
C O N T R O L L E V E R ..._...
....................
~
..........................
1
..............
1
12
F R I C T I O N WASHER
13
SCREW, controlleverstop
14
1
N U T , lever stop screw
head.
.._.._..._............1
..........................
....................................
WASHER, s t o p p l a t e
1
C L I P , shaft retainer ..........................
6 m m 1.0.x 12mm, O.D.
1
16
S T O PP L A T E
1
17
.......................
1
WASHER, w i n g n u t ........._......-..........
8 m m I.D., p l o i n s t e e l .
18
WING NUT, control lever
8 mm threod.
19
C L I P , c o n t r o l m o u n t i n g s t u d ............
4mm I.D. x 9 m m O.D., U type.
1
20
SCREW, c o n t r o l w i r e l o c k ................
4 m m x 14mm long, hex head.
1
7
SCREW, yokemounting
....................
4 mm x 8 m m long, round head.
2
GOVERNOR SPRING and L I N K SET..
(Includes Items 8, 9 , 10).
GOVERNOR LINK ............................
1
?
~
15
GOVERNOR YOKE ..I
8
~~~
No.
Zeq
6 m m thread, hexagon steel.
6
EY 2074250107
-
Description
1
GOVERNORSHAFT
5
19
6 m m x 4 0 m m long, hexagon
6 m m , s p r i n g lock.
4
18
-
sold separattt l v
Description
17
SPRING, governor link
GOVERNORSPRING
3
1
......................
1
21
WASHER, governorlever
6 m m I.D., p l o i n steel.
........................
1
22
NUT, governorlever
1
......._........_. 1
...._...............
1
............................
6 m m thread, square steel.
When ordering ports-: A l w a y s g i v e Model, Specification and Serial Numbers
3
of engine.
MRP-114-1
SHROUDING, MUFFLER and STARTING PULLEY Group
Fig. 4
9
8
For Model EY25W
1
7
S H R O U D I N G F O R E L E C T R I CS T A R T
Zef.
40.
-
10
3
16
ENGINES
ROPE S T A R T ( o b s o l e t e )
Port
Number
Description
SHROUD, flywheel, for manual
1
EY 2075130107
2
E Y 20751
3
E Y 2075260107
COVER, c y l i n d e r h e a d
4
EY 2075300107
B A F F L E , cylinder
5
EY 01 10060020
SCREW, b a f f l e a n d shroud mounting
30307SHROUD,
6mm x
start....
flywheel, for electric start
12mm
..
..........................
................................
long, hex
..
................
EY 20756201 07
COVER, starter pinion drive
7
E Y 066200001 1
STOP BUTTON assembly
8
EY 0150040010
SCREW, 4 x 8 m m lg. self topping, pan
3 - for starter pinion cover.
2 - for stop button assembly.
Part
No.
-
Number
9
E Y 2147320101
....................
..............
IGNITION WIRE, stopbutton
..........................
11
STARTING PULLEY, rope start
1
......
3
EY 0703080020
STARTING ROPE assembly
................
1
14
EY 2075447607
SCREEN, f l y w h e e l a i r i n t a k e
..............
1
15
EY0110060010
SCREW, flywheel screen mounting
......
4
16
E Y0568080010
CLAMP, i g n i t i o n w i r e
When ordering parts: Always give Model, Specification ond'serial Numbers o f engine.
4
1
13
6 m m x 8 m m long, hex flange
..
1
........
SCREW. s t a r t i n gp u l l e ym o u n t i n g
8 mm x 12 mm long, hexagon head.
MRP-115-2
!eq,
EXHAUST MUFFLER
EY 2075420301
N 0.
Description
10 E Y 2073015001
12 EY 0016508120
f l a n g e head.
6
Ref.
head.
..........................
1
J
FUEL TANK Group
Fig. 5
M A G N E T O Group
For Model
1'2 1-3
NOTE:
Items
\
without
a port
number
sold
arenot
E Y 207602021 7
2
- -
Description
1
E Y 2137015308
F L Y W H E E L , beg. w i t h S/N 550568
E Y 21 3701 2008p r e v i o u s to S/N 55056I
1
1
2
EY 2137013018
IGNITION COIL, beg. w i t h S I N 550561
E Y 207701 0208 previous to S/N 55056E
1
............................
1
3
E Y 0043106250
SCREW assembly, ignition c o i l
6rnm x25mm long, round head.
......................
1
E Y 2067010407
POINTS and CONDENSER KIT ..._._- 1
Beginning with Serial No.550568
EY 2067010207previous to S/N 55056E
Kit includes:
C O N T A C T B R E A K E R ......................
1
Ref.
E Y 0642000702
FUELSTRAINER
4
EY2076170101
BRACKET,
5
EY 0021708000
NUT, tank t o bracket
8 mm threod, hexagon
tank
3fY
No.
1
-
FUEL TANK assembly ..............._....
Includes:
EY2066900107 CAP withgasket ..
fuel
mounting
......
4
4
EYOO22710000
NUT, brocket to head mounting ......
10 mm thread, hexagon s t e e l
4
7
EY0031010000
WASHER, bracket to head nut ........
10.5 mm I.D. x l 6 m m O.D., pluin stee
4
F U E L LINE ossembly .....................
Consisting of:
F U E L L I N E ...........
EY0561100030 CLAMP ....................
EY0521060100 BANJO FITTING ...
1
E Y 207626131 1
9
10
11
,1
-
steel
6
8
CONDENSER
6
WASHER,
7
LOCKWASHER,
8
NUT,
9
1
2
1
EY 2096233508
BANJO BOLT, fuel
I3
EY2076234508
GASKET, banjo bolt
line
.................
........................
12
2
13
2
1
................
1
E Y 2067 110307 HARDWARE SET, for points and cand.
Beginning with Serial No. 550568
E Y 20671 10207previous t o S/N 550568
Consisting of:
BREAKER COVER ...........................
1
point terminal w i r e
..........................
L E A D WIRE .......................................
SCREW, point bracket mounting .._...
O I L F E L T , breaker
1
1
1
1
4mmx 8mm long, round head.
14
-
When ordering parts: Always
.........
point terminal w i r e
10
1
No
ReC
....__.._.._..._...__............_....
1
point terminal w i r e ..........
1
5
11
12
8
Part
Num ber
3
6
separately.
Description
1
Fig.
E125W
E Y 2067600203
give Model, Specification
5
SCREW, point cover
4 m m x 12mm long,
DUST FELT, flywheel
mounting
pan head.
.........
......................
2
1
-
and Serial Numbers of engine.
MRP-116-1
Fig.
Ref.
No.
0
1
2
CARBURETOR and AIR CLEANER Group
7
NOTE:
Items without a part number are not sold separately.
Port
Description
Number
-
EY2073262400
Discowi:wu,
AIR CLEANER assembly
Consisting of:
GASKET ( a l s o in engine
....................................................
...........................................
EY2073602201 COVER ........................
SCREW, air cleaner mounting ........_....
3
4
5
6
..._..............
gasket set)....
EY2063600303ELEMENT
t*
EY0016506100
.........
EY2076230230
CARBURETOR a s s e m b l y ..................._
(Includes Items 9 t h r u 31)
N O Z Z L E ...............................................
12
13
14
15
16
17
t
19
EY2076252128
20
E Y 2096230208
.,.....................+..................
x
5
THROTTLE SHAFT
............................
24
EY
2096244500
SPRING, throt. stop and
25
EY
2096235208
SCREW, throttle stop ..........................
4 mm x 12 mm l g . , f l a t f i l l i s t e r h d .
1
1
26
1
27
t
t
....................................
2
1
28
2
1
29
30
1
CHOKE SHAFT
.....................................
.....................................
F U E L V A L V E and SEAT assembly ....
EY
2076253508
I
1
P I L O T SCREW
PILOT JET
pilot screws
..........................................
BOLT, f u e l l i n e c o n n e c t o r ................
GASKET, f u e l l i n e b o l t ......................
For B O L T ond GASKET
(See Fig. 5 , Ref. 12 and 13.)
EY
2096244608
EY2096235308
31
32
t*
0
EY2073260810
SPRING, c h o k e r e t a i n e r
.....................
..........
..................................
1
2
1
1.
2
1
S T E E L B A L L , choke retainer
1
CASK ET, f l a n g e
1
AIR CLEANER
- Heavy Duty Type
1
C o n s i s t i n g of:
.................
B A C K P L A T E .....................................
COVER .................................................
EY2073260008 ELEMENT
1
1
34
1
35
1
0
EY2076230207
REPAIR KIT,
0
EY2076230107
GASKET SET,
4
mm long, pan head
CHOKE VALVE
1
1
23
EY
2076253008
1
1
..............................
t * WASHER, j e t h o l d e r .............................
EY2076240008 t MAIN JET .............................................
HOLDER, m a i n i e t ...............................
t SCREW, c h o k e a n d t h r o t t l e v a l v e ......
EY2076252608
1
..........................
1
FLOAT CHAMBER
18
..........................
THROTTLE VALVE
FLOAT
FLOAT PIN
t-
Qtr
GASKET, v a l v e s e a t
GASKET, float chamber
3 mm
-
......................
..................................................
bescription
Mum ber
22
x 10 mm long, hexagon head
8
t*
21
1
LOCKWASHER, air cleaner mtg
6 mm, s p r i n g l o c k
EY 2096
230 108
1
1
EY0032006000
11
-
RETAINER
7
10
1
No.
BODY
6 mm
9
QtY
....................
For Model EY25W
1
t
carburetor
P a r t s i n c l u d e d in k i t .
carburetor
P a r t si n c l u d e di ns e t .
1
1
-
When orderino D a r t s : A l w w s give Model, Specification m d Serial Numbers of engine.
6
1
1
1
MAGNETO
- CHARGING COIL and
FLYWHEEL for Starting
Motor
Fig.
8
EY 25W
For Model
I
-NOTE:
Items without a part number ore not sold separately.
Zef.
No.
Port
Number
1
EY 21 370 1S O 8
-
hf.
Description
No.
......................
EY 2077100203 RING GEAR ............
FLYWHEEL assembly
Part
Number
LOCKWASHER, point cover
10
................................
3
EY 2077010208
lGNl TlON COIL
4
EY 0043506250
SCREW
5
EY 20670 10207 POINTS and CONOENSER KIT
-
............
3mm, spring lock
Includes:
2
.
Description
..........
WASHER assembly,
i g n i t i o n c o i l , 6 m m x 2 5 m m long,
pan head
......
Includes:
11
SCREW, condenser mounting ............
4 mm x 6 mm long, round head
12
LOCK
13
POINT COVER
14
L E A D WIRE
WASHER, condenser mounting
4mm, s p r i n g l o c k
..................................
........................................
Contact Breaker and Condenser
0
denser mounting.
Consisting of items
6
thru
......
SCREW, point bracket mounting
4mm x 8 m m long, round head’
7
LOCKWASHER, p o i n t b r a c k e t
4mm. s p r i n g l o c k
8
WASHER, point bracket mounting
4mm, p l a i n s t e e l
9
SCREW,
point cover mounting
.........
...:..........
16
EY 0043506300
SCREW -WASHER assembly, charge
c o i I, 6 mm x 30 mm long, pan head
17
EY 0241050020
GROMMET, c h a r g e w i r e
18
EY 21775oO103
CLIP, charge wire grommet
14
6
L
15 EY 21 37014508 CHARGE COIL w i t h c a b l e
EY 2067 1 10207 HARDWARE SET for points and con-
...................
.............
...
........
3 m m x l O m m long, pan h.ec.!
When ordering parts: Always give Model, Specification and Serial Numbers o f engine.
7
MRP- 126
CONTROL BOX, SWITCHES and RECTIFIER Group
Fig. 9
For Model EY 25W
11
lef.
No.
1
EY 2077526101
2
EY 0732001 080 L A B E L ( B A T T E R Y )
3
EY 0732001290
L A B E L (STOP SWITCH)
4
EY 0732000410
LABEL (START
5
EY 2077250100
6
EY 2177140101
-
Description
................
CONTROL BOX assembly
( I n c l u d e s Ref. 2 and 3)
..........................
No.
-
Num
Part
bur
1
13
EY 0032006000
LOCKWASHER, bmm,springlock
1 for control box cover
4 - f o r c o n t r o l box
14
EY 0031006000
WASHER, r e c t i f i e r m o u n t i n g
1
................
1
STARTER SWITCH assembly
...........
1
DIODE RECTIFIER assembly
..........
I
.........
EY 21 477001 10 MAGNETIC SWITCH assembly
8
EY 06620000 1 1
9
EY 208731 1201 WIRE a s s e m b l y , s t o p s w i t c h ( b l a c k )
EY 2087320901
?ef.
1
SWITCH)
STOP SWITCH
....................................
WIRE assembly,
..................................
I
6
atv.
..................
7
10
-
c
_
I
Part
Number
12
13
Description
-
..............
1
.......
2
LOCKWASHER, m a g n e t i c s w i t c h mt'g.
2
6mm,
15
EY 0021705000
I.D.,
plain steel
N U T , magneticswitchmounting
5mm thread, hexagon steel
16
EY 0032005000
5mm,springlock
1
17
1
EY 01H3040010
SCREW, s t o p s w i t c h m o u n t i n g
..........................
EY 2077606001
COVER, c o n t r o l b o x
12
EY 0016506100
SCREW, 6mm x lOrnm long, hex head
1 for rectifier mounting
1 for control box cover
4
for control box
-
..........
4 m m x 8 m m long, s e l f topping,
pan head
1
1
magnetic switch to starter
11
1
6
-
When ordering parts: A l w a y s give Model,
....
5i p e c i f i c a t i o n
8
and Serial Numbers of engine.
2
ELECTRIC STARTING MOTOR
F o r Model
10
Fig;
EY 25W
4
NOTE: Items without
a part number are not sold separately.
- -
Port
Number
Description
0
E Y 2147050200
STARTING MOTOR complete ...........
Consisting of i t e m s 1 thru 22
1
E Y 2147055708
ARMATUREassembly
ef.
lo.
-
-
No.
Port
Number
1
14
EY 2147055208
15
EY 2107052708 T H R U B O L T
16
EY 2147050108 FLANGE assembly, front
17
E Y 0043104120
18
EY 2147055508 WASHER KIT, thrust ...........................
(Includes items 19, 20, 21, 22)
.......................
1
2
FRAME ossemb ly
...............................
1
3
SCREW, pole core
...............................
4
4
INSULATOR, terminal stud
5
F I E L D C O I L and CORE assembly
._....+........
...
1
EY 1137053508
BRUSH (
+ ) ........................................
2
7
E Y 1 137054008
BRUSH (
- ) (See Ref.
..................
2
8
EY 1137053008 BRUSH HOLDER assembly
(Includes items 7 and 9 )
...............
1
EY 1137054508
10 E Y 1137050508
BRUSHSPRING
..................................
COVER assembly, rear
11 EY 2147055908 PINION DRIVE assembly
12
E Y 2147055108
C O L L A R , pinion drive
E Y 21 47055408 SPRING,
8)
return, pinion
......................
4
1
..............
1
drive
............
CLIP, pinion drive
retainer
...............
........................................
sty.
1
2
........
1
SCREW, brush p l a t e mounting ...........
4mm x 12mm long, slotted heod
2
cover
1
............
19
THRUST WASHER, drive end
20
THRUST WASHER, drive end
21
THRUST WASHER, brush holder end
1
22
THRUST WASHER, brush holder end
1
..._.._....
1
1
23
EY 0031008000 WASHER, s t a r t i n g motor mounting ....
8.4 mm 1.D. x 16 rnmO.D., plain steel
2
24
EY 0032008000 LOCKWASHEP,starting motor mt’g.
8mm spring lock
..
2
25
EY 2147900101 SCREW, starting
Bmm, hex head,
......
2
1
..................
stop
Description
1
6
9
Re 1.
Qty.
motor mounting
specia
I
1
- -
When ordering parts: A l w a y s give M o d e l , S p e c i f i c a t i o n and Serial N u m b e r s o f engine.
9
MRP-128
ELECTRICAL SYSTEM
Fig. 11
For Model EY 25W
STOPSWITCH
FLYWHEEL
+
BLACK
,
Green
,r\d;,
DIODE
RECTIFIER
STARTtNG SWITCH
Red
3.
Green
Do N o t
ground any wires which terminateat con-
nectors.
Enginesequippedwith
an electric starting motor are
a l s a providedwith a built-in chargingcircuit.There
are no maintenance or adjustment requirements because there are no brusher, commutator or belts. The
chargingcoilandmagnetic
rotor are mounted within
the flywheel - sealed offfrom moistureand dirt. A
diode rectifier, mounted insidethecontrol
box, converts the charge for the battery from alternating current
todirect
current. Thechargingcircuit
is ratedat
12 volts 1.5 amps.
4. Disconnect at least one batterylead
charger is used.
if abattery
5. Never use a fast battery charger to boost the battery
output.
WIRING ClRCUlT
-
Use a 12 volt battery
minimum capacity of 18 a
m
p
hrs. Connect ground strap from negative post of battery
to a good clean ground surface on theengine. Connections for lights or other electrical accessories can
be made to the positive (.~
+ 1 side of the battery.
-
PRECAUTIONS to be exercised in the use of this flywheel charging circuit:
cir1. D o N o t operate engine without a battery in the
cuit and t h e dioderectifierconnected.
To operate
engine without a battery, disconnect the two green
and
white
wires
from charging
coil
to the
rectifier.
STARTINGMOTOR
No maintenance is required other than keeping the outside of the
motor clean, and
insow-
-
tion for insecure molinting, loose and dirty
nections.
This is for a
negative ground system only.
MRP-129
1
M A Y E T I C SWITCH
BATTERY CHARGING COIL
Do Not reversebatteryconnections.
SPARK
10
-
cable con-
RECOIL
STARTER
ASSEMBLY
For Model
EY 25W
12
Fig.
NOTE: B e g i n n i n g w i t h e n g i n e s e r i a l
number 616978 o t w o p a w l n y l o n
reel r e c o i l s t o r t e r r e p l o c e s o three pawl steel r e e l starter
o s o c o m p l e t e unit. Individual component ports ore not interchongeoble and should
be s e r v i c e d occov, d i n g l y .
ond is interchongeoble
OLD DESIGN
14
,
6 11
5
15
1216
0
Q
8
10
2
3
1
NEW DESIGN
5
6
13
11
10
NOTE: Items without a p o r t number ore not sold separately.
Part
NEW
Number
I
EY 20.i5026010
E Y 2075026000RECOILSTARTER
B75d SI '20
REEL
L
...-..-
.-........-..............
..........
P U L L E Y , s t a r t i n g ......
SCREW, p u l l e y mt'g. ..
E Y 2075010708ROPE
E Y 2075014808 E Y 2075014708
0016S08120
EY
.-..................
E Y 2065011508POWERSPRING
E Y 2075012218
EY1065010808
!eq
....
assembly
NEW
-
1
Number
i
I
OLD
E Y ZOWO'i0117 EY 2075010107
C o n s i s t i n g of:
Ref. No. 8, 9 ,
b f . , N o . 8, 9 ,
IO, 11,12, 13. 10, 11, 12, 14,
6
15, 16.
/'
1
1
8
1
1
1
3
8 x 12mm hex
long,
hd.
E Y 0016508100 E x l O r n m long, hex hd.
SCREW, hsg. flange ....
~~0T10060010
6 x 10 rnm hex
long,
hd.
EY0043106080 6 x 8 m r n long,pon.hd.
Port
le4
40
ua.
Complete.
HOUSING
EY1065011608
- -
Dercription
OLD
3
8
9
4
2 3 2 ~ i0) I 07
IARDWARE K I T
PAWL
........
9
10
SPRING, return ._........
......
11
RETAINER, pow1
12
WASHER, r e t a i n e r r p o e
...
13
CLIP,retoinermt'g.
14
NUT,retainer,
15
WASHER,retoiner nut
16
CUP, s p r i n g r e t o i n e r
When ordering parts: Always give Model, Specification and Serial
1
.........................
SPRING, compression
-
11
No.
Description
8mm
....
.
..
Numbers of engine.
MRP-118-1
"
Fig.
6:1 GEAR REDUCTION UNIT
13
For Model EY 25W
23
Gear Cover for
6:1
R e d u c t i o n Unit
19
20
5
24
3ef.
40.
-
-OBSOLETE- D i s c o n t i n u e da so fS e r i a l
No.545377.
U s e dw i t h
EY 2071100101 Geor Cover and E Y 2072930101 Crankshaft.
obsolete
Num bar
I
T
- Ref
1
No.
Description
leq
.....................
1 EY 207293011 1 C R A N K S H A F T w i t h gear
B e g i n n i n g w i t h S e r i a lNo. 545377.
E Y 2072930101 p r e v i o u s t oS/N 545377.
NOTE: When : ,ck i s d e p l e t e d - U s e n e w c r a n k s h a f t ,
Geor ( ver, and omit Adopter
Ref. 6.
2
E Y 20781 10103
DRIVE SHAFT-GEAR assembly
3
E Y 2078070101
COVER a s s e m b l y , r e d u c t i o n u n i t
I n c l u d e s Ref. 4, 5, 19, 20.
4
EY 0600300020 BEARING, t o k e - o f f e n d
5
EY 0440300030 O I L SEAL, toke-off end
6
E Y 2078520103
7
E Y 0101 100010 SCREW, adapter mounting
3 / 8 - 1 6 x 1%' (32mm) long.
8
EY0032010000
9
EY 0440250020 O I L SEAL, adapter
..........
.......
.......................
.......................
NO.
1
1
....................
4
......
4
................................
adapter mounting .................
1
4
lOrnm, p l a i n s t e e l .
......................
11 E Y 2078010103
HOUSING, r e d u c t i o n u n i t
I n c l u d e s Ref. 18.
12 E Y 2068510103
GASKET, housingmounting
13 E Y 0101080030
SCREW, h o u s i n g m o u n t i n g ( i n n e r )
5 / 1 6 - 2 4 x 1%' (45mm) long.
1
................
......
1
1.
EY0101080040
SCREW, housing mounting (outer)
5 / 1 6 - 2 4 x 1' (25mm) long.
15
E Y 0032008000
LOCKWASHER,8mm s p r i n g l o c k
2 - for housing (outer).
4 - for cover mounting.
16
E Y 003 1008000WASHER, 8mm, p l a i n s t e e l
2 for housing (outer).
4 for covor mounting.
......
2
......
6
................
6
........
2
..............................
L A B E L , o i l f i l l ....................................
L A B E L , o i l l e v e l ............_..................
GASKET, c o v e r t o h o u s i n g ................
PLUG, o i l f i l l e r , 'VENTED' ..............
1
-
17
EY 0033808000 LOCKWASHER, housing, (inner)
8 m m , tab type.
18
E Y 0600150020
19
EY 2069500103
20
E Y 2069500203
21
E Y 2068510203
22
E Y 2068500103
BEARING, h o u s i n g
1/4'sq.
head,
1
1
1
1
NPT.
23
E Y 2068500203
PLUG, o i l l e v e l ...................................
1/4' sq. head, NPT.
1
24
E Y 0016608250
SCREW, cover mounting ......................
8 m m x 25 mm long, h e x heod.
4
25
E Y 2071180101
GEAR COVER assembly .............._....
B e g i n n i n g w i t h S e r i o lNo.545377.
I n c l u d e s E Y 0440250020 O i l Seal
E Y 2071 100101 p r e v i o u s t o S/N545377.
2
When ordering parts:
Description
14
1
1
LOCKWASHER, odopter mounting
10mm, spring lock.
Part
Number
1
ADAPTER, ( o b s o l e t e a s o fS/N545377)
For replacement see Ref.
1 note.
10 EY 0031010000 WASHER,
-
7
9
-
Always give Model, Specification and Serial Numbers of engine.
1