Johnson 1978 25 - 25EL78C, Cylinder and Crankcase - parts catalog

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Cylinder and Crankcase

(1978) - 25EL78C

Parts Diagram	##	Part #	Description	Qty	Notes
	1	0388827	Cylinder and crankcase assembly	1
	2	0308354	Stud, starter bracket	1
	3	0305070	Taper pin	1
	4	0308353	Stud	7
	5	0303423	Nipple, oil hose	2
	6	0318622	Screw, cylinder. to crankcase	6
	7	0323586	Spring, pressure release	1
	8	0306482	Washer, starter mtg. bracket	1
	9	0308355	Nut, starter bracket	1
	10	0322848	Bypass cover assembly 25 hp models only	1
	10	0387707	Bypass cover assembly 35 hp models only	1
	11	0314416	Bumper, spark adj. screw	1
	12	0319661	Gasket, bypass cover	1
	13	0300646	Screw, bypass cover	6
	14	0323584	Cylinder head assembly	1
	15	0318357	Water deflector	2
	16	0304847	Seal, starter to bracket. electric start models	2
	17	0323971	Screw, spark adj. manual start models	1
	17	0316101	Screw, spark adj. electric start models	1
	18	0306482	Washer, bracket	2
	19	0378065	Thermostat	1
	20	0323582	Seal, thermostat	1
	21	0319633	Gasket, cylinder head	1
	22	0305027	Screw, cylinder head	10
	23	0322090	Exhaust cover, outer	1
	24	0319577	Exhaust cover, inner	1
	25	0319578	Gasket, exhaust cover	2
	26	0306418	Screw, exhaust cover	12
	27	0	Hose, mfld. to crankcase. cut from 321610	1
	28	0376349	Ground lead assembly	1
	29	0306396	Lock washer, spark adj	1
	30	0304145	Lock washer, starter bracket	1
	31	0389471	Spark plug, Champion L78V	2
	32	0322122	Return spring, lever. manual start models	1
	33	0323791	Bracket, starboard	1
	34	0321995	Shoulder screw. manual start models	1
	35	0314979	Screw, cylinder to crankcase	8
	36	0307471	Screw, starter bracket. electric start models	1
	37	0386464	Control lever and pin	1
	38	0304753	Nut, spark adj	1
	39	0305831	Washer	1
	40	0319547	Screw, bearing clamp	2
	41	0304155	Pin, control lever	1
	42	0322233	Shifter lock	1
	43	0306049	Screw, shifter lock	1
	44	0316603	Bushing	2
	45	0314951	Screw	1
	46	0302587	Spring, shifter lock	1
	47	0319299	Grommet	1
	48	0321886	Elbow, overboard indicator	1
	49	0322172	Hose, overboard pump indicator	1
	50	0317657	Lock out lever. manual start models	1
	51	0306283	Washer, lever. manual start models	1
	52	0320374	Bracket, port. manual start models	1
	53	0323583	Cover, cylinder head	1
	54	0308751	Screw, starter bracket. manual start models	1
	55	0320012	Bracket, port. electric start models	1
	56	0320524	Bearing, control lever	1
	57	0319665	Gasket, water cover	1
	58	0314951	Screw, starter bracket. manual start models	1
	59	0311344	Bolt, instrument cable. electric start models	1
	60	0308751	Screw, starter bracket. electric start models	1
	61	0306396	Lock washer	2
	62	0300646	Screw, cylinder. head cover	12
63	0386056	Safety switch assembly electric start models	1
64	0310498	Washer. electric start models	2
65	0312288	Screw, switch to bracket. electric start models	2
66	0306450	Screw, bypass cover	3
67	0307788	Nut, switch to bracket. electric start models	2
68	0320523	Bearing clamp	2
69	0310439	Clamp. manual start models	1
70	0321528	Nut, shifter lock	1
71	0304222	Collar	1
72	0307565	Pin, rod, pivot pin	2
73	0304051	Washer, screw to lever. manual start models	1
73	0310540	Washer, lever to cylinder. electric start models	1
74	0318491	Screw, adj. shifter lock. manual start models	1
75	0316659	Nut, adj. screw. manual start models	1
76	0315092	Screw, lock out lever boss. electric start models	1
76	0322781	Screw, lock out lever boss. manual start models	1
77	0322661	Lever, lock out, lower. manual start models	1
78	0310442	Clamp, motor cable leads. electric start models	1
79	0305831	Washer, pivot pin	1
80	0310440	Clamp, fuse holder. electric start models	2
81	0321721	Spring	1
82	0320156	Rod, throttle control	1
83	0320786	Pivot pin	2
84	0304221	Screw	1
85	0317753	Screw, clamp. electric start models	1
86	0319580	Screw, clmp. electric start models	1
87	0316659	Nut, cable ground. electric start models	1
88	0308355	Nut, bracket	2
89	0317400	Screw, adjustment. electric start models	1
90	0204046	Nut. electric start models	1
91	0310928	Clamp	1
92	0	Hose, bypass cover to mfld. 35 hp models only cut from 321610	1
93	0320107	Clamp, hose
94	0303049	Cotter pin	2
95	0309020	Spring washer. manual start models	1
96	0310439	Clamp, connecter. electric start models	1
97	0324314	Retainer, thermostat seal	1
98	0308742	Screw, cover	1
99	0306488	Lock washer, ground lead
100	0307841	Bushing, control lever	1
101	0387849	Powerhead gasket set	1
0322702	0322702	Seal, OMC gel. not shown

Parts catalog covers:
25EL78C

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