CYLINDER & CRANKCASE 50ES72C, 50ESL72C, 50R72C, 50RL72C BRP JOHNSON EPC Parts Catalog

1972

CYLINDER & CRANKCASE

Parts on group CYLINDER & CRANKCASE:

Pos.	Part No	Qty	Parts name
1.	0304178	[2]	DOWEL PIN, Bearing
10.	0315204	[9]	NUT, Stud
11.	0307267	[10]	SCREW, Cylinder head
12.	0378065	[1]	THERMOSTAT ASSY
13.	0310058	[1]	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 adaptor
20.	0384771	[2]	SPARK PLUG, Ch. UL-77V
21.	0376349	[2]	GROUND STRAP
22.	0309040	[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.	0317468	[1]	EXHAUST COVER, Outer
29.	0307471	[15]	SCREW, Exhaust cover
3.	0305070	[1]	TAPER PIN
30.	0317714	[1]	FRAME, Crankcase
30.	0316001	[1]	FRAME, Crankcase
31.	0304753	[1]	NUT, Link
32.	0316037	[1]	SCREW, Throttle 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
38527.	0385270	[1]	CYLINDER & C'CASE ASSY
38538.	0385385	[1]	POWERHEAD GASKET SET (Less cylinder head gask et)
39.	0315204	[1]	NUT, Stud
4.	0308747	[2]	SCREW, C'case to cyl
40.	0314098	[1]	WASHER, Throttle lever
41.	0317821	[1]	LEVER, Spark advance
42.	0314003	[1]	BUSHING, Spark lever
43.	0314094	[1]	SPRING, Throttle lever
44.	0316032	[1]	LEVER, Throttle
45.	0314002	[1]	BUSHING, Throllte 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.	0316659	[1]	NUT, Lever screw
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	[2]	WASHER, Throttle rod
56.	0305650	[3]	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	[2]	COTTER PIN, Rod
62.	0303304	[2]	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 RETAINER, 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.	0310524	[1]	YOKE, Throttle cam
71.	0316045	[1]	YOKE, Throttle cam
72.	0316033	[1]	SCREW, Lever
72.	0312316	[1]	SCREW, Lever
73.	0317609	[1]	ROD, Lever to cam
73.	0314133	[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
8.	0315631	[8]	STUD, C'case to exh hsg
80.	0309322	[1]	CLAMP, Thermo switch
81.	0310493	[1]	CLAMP, Thermo switch lead
82.	0384088	[1]	THERMO SWITCH ASSY
83.	0510780	[2]	TERMINAL
84.	0307910	[2]	SCREW, Switch mounting
85.	0580874	[1]	LEAD, Switch to solenoid
86.	0385295	[1]	SAFETY SWITCH ASSY
87.	0310498	[2]	WASHER
88.	0311321	[1]	CLAMP, Cable
89.	0317000	[1]	CLAMP, Cable
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

Parts catalog :

CRANKSHAFT & PISTON

CARBURETOR

ELECTRIC STARTER & SOLENOID-MODELS MGD-4007 MGD-4106 MGD-410

ELECTRIC STARTER AMERICAN BOSCH SMH 12B41 & SMH 12B43

EXHAUST HOUSING ELECTRIC START

EXHAUST HOUSING MANUAL START

FUEL PUMP

FUEL TANK