CYLINDER & CRANKCASE 50ES73R, 50ESL73R, 50R73R, 50RL73R BRP JOHNSON EPC Parts Catalog

1973

CYLINDER & CRANKCASE

Parts on group CYLINDER & CRANKCASE:

Pos.	Part No	Qty	Parts name
1.	0304178	[2]	DOWEL PIN,Bearing
10.	0308741	[1]	SCREWk SHIFT LEVER TO SHAFT
100.	0302103	[1]	NUT,Link to yoke
101.	0318567	[1]	YOKE,Shift link
102.	0318299	[1]	LINK,Bellcrank to shift link
103.	0312977	[1]	BOW WASHER,Shift lever to link
104.	0310054	[1]	BOW WASHER,Shift lever
11.	0307267	[10]	SCREW,Cylinder head
12.	0378065	[1]	THERMOSTAT ASSY
13.	0310058	[0]	GASKET, Thermostat
14.	0316132	[1]	GROMMET,Valve
15.	0317653	[1]	VALVE,Pressure relief
16.	0315626	[1]	SPRING,Valve
17.	0315538	[1]	GASKET,Cover to head
18.	0315541	[1]	COVER,Cylinder head
19.	0300646	[14]	SCREW,Head cover
2.	0314616	[1]	STUD,Cyl.to adapter
20.	0384771	[2]	SPARK PLUG,Ch ul-77v
21.	0376349	[1]	GROUND STRAP
22.	0309322	[1]	CLAMP,Temp switch lead
23.	0310525	[1]	PIN,Yoke to cam
24.	0308753	[0]	SCREW,Frame to c'case
25.	0315868	[1]	GASKET,Inner cover
26.	0315870	[1]	EXHAUST COVER,Inner
27.	0315869	[1]	GASKET, Outer cover
28.	0318359	[1]	EXHAUST COVER,Outer
29.	0306778	[15]	SCREW,Exhaust cover
3.	0305070	[1]	TAPER PIN
30.	0316001	[1]	FRAME,Crankcase
30.	0317714	[1]	FRAME.CRANKCASE
31.	0318194	[0]	BUSHING,Link to shift lever
32.	0316037	[1]	SCREW,Throttel cam
33.	0204445	[1]	WASHER, Throttle cam
34.	0317670	[1]	LIFT RING,Cylinder
35.	0314515	[2]	SCREW,Lift ring
36.	0311015	[1]	BUSHING,Throttle cam
37.	0306407	[1]	WASHER
38.	0302474	[1]	WASHER
38538.	0385385	[1]	POWERHEAD GASKET SET (LESS CYLINDER HEAD GASK
38576.	0385769	[1]	CYLINDER & C'CASE ASSY
39.	0315204	[1]	NUT,Stud
4.	0308747	[2]	SCREW,C'case to cyl
40.	0314098	[1]	WASHER,Throttle lever
41.	0318825	[1]	LEVER,Spark advance
42.	0314003	[1]	BUSHING,Spark lever
43.	0314094	[1]	SPRING,Throttle lever
44.	0318232	[1]	LEVER, Throttle control
44.	0316032	[1]	LEVER,Throttle
45.	0314002	[1]	BUSHING, Throttle lever
46.	0314099	[1]	WASHER,Lever screw
47.	0306396	[1]	WASHER,Advance screw
48.	0317597	[1]	THROTTLE CAM
5.	0316988	[2]	SCREW,Lower main brg
50.	0319253	[1]	FITTING,Crankcase
51.	0306337	[1]	SCREW,Idle adjustment
52.	0203688	[1]	NUT,Adjustment screw
53.	0308993	[1]	SPRING,Adjustment screw
54.	0304753	[1]	NUT,Spark advance
55.	0302474	[3]	WASHER,Throttle rd
55.	0305831	[1]	WASHER,Throttle rod
56.	0305650	[0]	COTTER PIN
57.	0314125	[1]	BUSHING,Link
58.	0316101	[1]	SCREW,Spark advance
59.	0316034	[1]	STOP,Idle adjustment
6.	0308742	[8]	SCREW,C'case to cyl
60.	0311415	[1]	SCREW,Idle stop
61.	0306387	[0]	COTTER PIN,Rod
62.	0303304	[0]	WASHER, Rod retainer
63.	0306376	[4]	COTTER PIN,Retainer
64.	0300154	[4]	WASHER,Spark rod
65.	0315104	[2]	RETAINER,Spark rod
66.	0316038	[1]	ROD,Spark advance
67.	0316654	[1]	WIRE REATINER,Lever
68.	0303737	[1]	SCREW,Retainer
69.	0308825	[1]	SCREW,Throttle stop
7.	0308752	[2]	SCREW,Upper main brg
70.	0314416	[1]	BUMPER,Advance screw
71.	0316045	[1]	YOKE, Throttle cam
71.	0310524	[1]	YOKE,Throttle cam
72.	0312316	[1]	SCREW,Lever
72.	0318192	[1]	SHOULDER SCREW
73.	0314133	[1]	ROD, Lever to cam
73.	0317609	[1]	ROD,Lever to cam
74.	0317540	[1]	LINK,Throttle
75.	0317539	[1]	BRACKET,Throttle lever
76.	0131922	[1]	SCREW,Bracket to c'case
77.	0309482	[1]	SCREW,Bracket to c'case
78.	0378176	[1]	TEMPERATURE SWITCH
79.	0303806	[1]	TUBING,Insulation
8.	0133022	[8]	SCREW
80.	0309322	[0]	CLAMP,Thermo switch
81.	0385820	[1]	SHIFT LEVER ASSY., C'case
82.	0384088	[1]	THERMO SWITCH ASSY
83.	0510780	[2]	TERMINAL
84.	0310440	[1]	CLAMP,Cable
85.	0318556	[1]	LEVER,Shift rod
86.	0386056	[1]	SAFETY SWITCH ASSY
87.	0310498	[2]	WASHER
88.	0307506	[2]	SCREW,Switch mounting
89.	0317000	[1]	CLAMP,Cable
9.	0120255	[8]	LOCKWASHER
90.	0204757	[1]	BOW WASHER
91.	0130524	[1]	SCREW,Frame to c'case
92.	0316993	[1]	CLAMP, Trigger leads
93.	0315539	[1]	GASKET, Cylinder head
94.	0315540	[1]	CYLINDER, Head
95.	0385754	[1]	BELLCRANK ASSY., Shift
96.	0318202	[1]	SPRING WASHER,Bellcrank
97.	0318193	[1]	BUSHING, Bellcrank
98.	0303304	[1]	WASHER, Bellcrank
99.	0318197	[1]	PIN,Yoke to bellcrank

Parts catalog :

CRANKSHAFT & PISTON

CARBURETOR

ELECTRIC STARTER & SOLENOID, PRESTOLITE MODELS MGD-4007

ELECTRIC STARTER,AMERICAN BOSCH SMH 12B41

EXHAUST HOUSING ELECTRIC START

EXHAUST HOUSING MANUAL START

FUEL PUMP

FUEL TANK - 6 GALLON