Cylinder & Crankcase Parts for 1977 Johnson 25 hp 25R77S Outboard Motor

Revise Search: All Years > 1977 > 25 hp > Johnson 25R77S > Cylinder & Crankcase

NEED PARTS OR KITS?
View diagram and parts list below. Tap to zoom. Scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#1 — 388501 — CYLINDER & CRANKCASE ASSEMBLY. 35 HP MODELS ONLY (1 required per assembly)

0388501 - Cylinder and Crankcase Assembly [ More info ]
Unavailable

#1 — 388503 — CYLINDER & CRANKCASE ASSEMBLY. 25 HP MODELS ONLY (1 required per assembly)

0388503 - Cylinder and Crankcase Assembly [ More info ]
In Stock

#2 — 302037 — DOWEL,BEARING (1 required per assembly)

0302037 - Dowel [ More info ]
Unavailable

#3 — 305070 — TAPER PIN (1 required per assembly)

0305070 - Pin [ More info ]
Unavailable

#4 — 308353 — STUD (7 required per assembly)

0308353 - Stud [ More info ]
Unavailable

#5 — 303423 — NIPPLE,OIL HOSE (2 required per assembly)

0303423 - Hose Nipple [ More info ]
Unavailable

#6 — 318622 — SCREW,CYL.TO CRANKCASE (6 required per assembly)

0318622 - Screw, Cyl, To Crankcase, NLA [ More info ]
Unavailable

#7 — 308354 — STUD,STARTER BRACKET (1 required per assembly)

0308354 - Stud [ More info ]
Unavailable

#8 — 306482 — WASHER,STARTER MTG.BRKT. (1 required per assembly)
		0306482 - Washer [ More info ] Unavailable
		0329241 - Washer [ More info ] Unavailable
		3852193 - Washer, Volvo [ More info ] $6.00 Available to Order: Usually ships within 10 days.

#9 — 308355 — NUT,STARTER BRACKET (1 required per assembly)
		0308355 - Nut [ More info ] Unavailable
		0121731 - Nut [ More info ] Unavailable
		3852005 - Nut - Volvo Penta (3852005) [ More info ] $4.00 Available to Order: Usually ships within 10 days.
		18-3722-9 - Lock Nut, 121731, 11-35888, Pack of 5 [ More info ] $11.99 $6.88 Available to Order: Usually ships within 10 days.

#10 — 322848 — BY-PASS COVER ASSY.. 25 HP MODELS ONLY (1 required per assembly)

0322848 - Bypass Cover [ More info ]
Unavailable

#10 — 387707 — BY-PASS COVER ASSY.. 35 HP MODELS ONLY (1 required per assembly)

0387707 - Cover [ More info ]
Unavailable

#11 — 314416 — BUMPER,SPARK ADJ.SCREW (1 required per assembly)

0314416 - Bumper [ More info ]
Unavailable

#12 — 319661 — GASKET,BY-PASS COVER (1 required per assembly)

0319661 - Bypass Cover Gasket [ More info ]
Unavailable

18-0971 - Gasket, 319661 [ More info ]

$6.99 $6.73
2 In Stock.

#13 — 300646 — SCREW,BY-PASS COVER (6 required per assembly)

0300646 - Screw [ More info ]
Unavailable

#14 — 319407 — CYLINDER HEAD ASSY.. 35 HP MODELS ONLY (1 required per assembly)

0319407 - Cylinder Head [ More info ]
Unavailable

#14 — 322723 — CYLINDER HEAD ASSY.. 25 HP MODELS ONLY (1 required per assembly)

0322723 - HEAD [ More info ]
Unavailable

#15 — 318357 — WATER DEFLECTOR (2 required per assembly)

0318357 - Deflector, Water Passage [ More info ]
In Stock

#16 — 304847 — SEAL,STARTER TO BRACKET. ELECTRIC START MODELS (2 required per assembly)

0304847 - Starter to Bracket Seal [ More info ]
Unavailable

#17 — 322785 — SCREW,SPARK ADJ.. MANUAL START MODELS (1 required per assembly)

0322785 [ More info ]
Unavailable
Replaced by 0323971

0323971 - Screw, Spark Adjust [ More info ]
Unavailable

#17 — 316101 — SCREW,SPARK ADJ.. ELECTRIC START MODELS (1 required per assembly)

0316101 - Screw, Spark Adjust [ More info ]
Unavailable

#18 — 306482 — WASHER,BRACKET (2 required per assembly)
		0306482 - Washer [ More info ] Unavailable
		0329241 - Washer [ More info ] Unavailable
		3852193 - Washer, Volvo [ More info ] $6.00 Available to Order: Usually ships within 10 days.

#19 — 378065 — THERMOSTAT (1 required per assembly)
		0378065 - Thermostat, 143 Degrees [ More info ] Unavailable
		0393659 - Thermostat, 143 Degrees [ More info ] Unavailable
		0437414 - Thermostat, 143 Degrees [ More info ] Unavailable
		0434841 - Thermostat, 143 Degrees [ More info ] Unavailable
		5005440 - Thermostat, 143 Degrees [ More info ] In Stock
		18-3543 - Thermostat, 143 Degrees, 5005440, 8330720 [ More info ] $22.39 $20.59 10+ In Stock.

#20 — 310058 — SEAL,THERMOSTAT (1 required per assembly)

0310058 - Thermostat Seal [ More info ]
Unavailable

18-0182-9 - Gasket 27-62386 2-Pack [ More info ]

$4.13 $3.36
Available to Order: Usually ships within 10 days.

#21 — 319633 — GASKET,CYLINDER HEAD (1 required per assembly)

0319633 - Cylinder Head Gasket [ More info ]
Unavailable

18-2954 - Head Gasket 319633 [ More info ]

$33.99 $30.59
3 In Stock.

#22 — 305027 — SCREW,CYLINDER HEAD (10 required per assembly)

0305027 - Screw, Cylinder Head [ More info ]
In Stock

#23 — 322090 — EXHAUST COVER,OUTER (1 required per assembly)

0322090 - Exhaust Cover, Outer, NLA [ More info ]
Unavailable

#24 — 319577 — EXHAUST COVER,INNER (1 required per assembly)

0319577 - FF Cover Exhaust Inner [ More info ]
Unavailable

#25 — 319578 — GASKET,EXHAUST COVER (2 required per assembly)

0319578 - Exhaust Cover Gasket [ More info ]
In Stock

#26 — 306418 — SCREW,EXHAUST COVER (12 required per assembly)

0306418 - Screw [ More info ]
Unavailable

#27 — 0 — HOSE,MFLD.TO CRANKCASE. CUT FROM 321610 (1 required per assembly)

#28 — 376349 — GROUND LEAD ASSY. (1 required per assembly)

0376349 - Lead [ More info ]
Unavailable

#29 — 306396 — LOCKWASHER,SPARK ADJ. (1 required per assembly)

0306396 - Lock Washer [ More info ]
Unavailable

3852053 - Screw, Volvo [ More info ]

$7.20
Available to Order: Usually ships within 10 days.

#30 — 304145 — LOCKWASHER,STARTER BRKT. (1 required per assembly)

0304145 - Lock Washer,Bracket [ More info ]
Unavailable

3854292 - LockWasher [ More info ]
Unavailable

#31 — 386939 — SPARK PLUG,AC M40FFX (2 required per assembly)
		0386939 [ More info ] Unavailable Replaced by 0386941
		0386941 - S Plug L77JC4 [ More info ] Unavailable
		0502194 - Spark Plug L77JC4 [ More info ] Unavailable

#31 — 386941 — SPARK PLUG,CHAMPION L77J4 (2 required per assembly)

0386941 - S Plug L77JC4 [ More info ]
Unavailable

0502194 - Spark Plug L77JC4 [ More info ]
Unavailable

#32 — 322122 — RETURN SPRING,LEVER (1 required per assembly)

0322122 - Return Spring, Lockout Lever [ More info ]
Unavailable

#33 — 320011 — BRACKET,STARBOARD (1 required per assembly)

0320011 [ More info ]
Unavailable
Replaced by 0323791

0323791 - Bracket [ More info ]
Unavailable

#34 — 321995 — SHOULDER SCREW. MANUAL START MODELS (1 required per assembly)

0321995 - Lockout Lever Screw [ More info ]
In Stock

#35 — 314979 — SCREW,CYLINDER TO C'CASE (8 required per assembly)

0314979 - Screw, NLA [ More info ]
Unavailable

#36 — 307471 — SCREW,STARTER BRACKET. ELECTRIC START MODELS (1 required per assembly)

0307471 - Screw [ More info ]
Unavailable

#37 — 386464 — CONTROL LEVER & PIN (1 required per assembly)

0386464 - Lever, NLA [ More info ]
In Stock

#38 — 304753 — NUT,SPARK ADJ. (1 required per assembly)

0304753 - Nut [ More info ]
Unavailable

0328741 - Spark Adjust Nut [ More info ]
Unavailable

#39 — 305831 — WASHER (1 required per assembly)

0305831 - Shim [ More info ]
Unavailable

#40 — 319547 — SCREW,BEARING CLAMP (2 required per assembly)

0319547 - Screw, Support [ More info ]
Unavailable

#41 — 304155 — PIN,CONTROL LEVER (1 required per assembly)

0304155 - Pin [ More info ]
Unavailable

0329197 - Pin [ More info ]
Unavailable

#42 — 322233 — SHIFTER LOCK (1 required per assembly)

0322233 - Shifter Lock [ More info ]
Unavailable

#43 — 306049 — SCREW,SHIFTER LOCK (1 required per assembly)

0306049 - Screw [ More info ]
Unavailable

#44 — 316603 — BUSHING (2 required per assembly)

0316603 - Bushing [ More info ]
Unavailable

0325542 - Bushing, Shifter Lock [ More info ]
Unavailable

#45 — 314951 — SCREW (1 required per assembly)

0314951 - SCREW [ More info ]
Unavailable

#46 — 302587 — SPRING,SHIFTER LOCK (1 required per assembly)

0302587 - Shifter Lock Spring [ More info ]
In Stock

#47 — 319299 — GROMMET (1 required per assembly)

0319299 - FF Grommet LOCK [ More info ]
Unavailable

#48 — 321886 — ELBOW,OVERBOARD INDICATOR (1 required per assembly)

0321886 - Indicator Elbow, 90 Degree [ More info ]
Unavailable

18-3290 - Elbow, 321886 [ More info ]

$3.99 $3.71
3 In Stock.

#49 — 322172 — HOSE,OVERBOARD PUMP INDICATOR (1 required per assembly)

0322172 - Overboard Pump Hose [ More info ]
In Stock

#50 — 317657 — LOCKOUT LEVER. MANUAL START MODELS (1 required per assembly)

0317657 - Lockout Lever [ More info ]
In Stock

#51 — 120196 — WASHER,LEVER. 25 HP MODELS ONLY MANUAL START MODELS (1 required per assembly)
		0120196 - Washer [ More info ] Unavailable
		0309192 - Washer [ More info ] Unavailable
		3852083 - Washer - Volvo Penta (3852083) [ More info ] $6.37 Available to Order: Usually ships within 10 days.

#51 — 306283 — WASHER,LEVER. 35 HP MODELS ONLY MANUAL START MODELS (1 required per assembly)

0306283 - Brace to Alternator Washer [ More info ]
Unavailable

#52 — 320374 — BRACKET,PORT. MANUAL START MODELS (1 required per assembly)

0320374 - Bracket, Port [ More info ]
In Stock

0351035 - Bracket [ More info ]
In Stock

#53 — 319412 — COVER,CYLINDER HEAD (1 required per assembly)

0319412 - COVER PLATE [ More info ]
Unavailable

#54 — 309905 — SCREW,STARTER BRACKET. MANUAL START MODELS (1 required per assembly)

0309905 - Cylinder Head Screw [ More info ]
Unavailable

3855578 - Screw - Volvo Penta (3855578) [ More info ]

$6.00
Available to Order: Usually ships within 10 days.

#55 — 320012 — BRACKET,PORT. ELECTRIC START MODELS (1 required per assembly)
		0320012 [ More info ] Unavailable Replaced by 0327730
		0327730 [ More info ] Unavailable Replaced by 0331210
		0331210 [ More info ] Unavailable Replaced by 0333929
		0333929 - Electric Start Bracket, Port [ More info ] In Stock

#56 — 320524 — BEARING,CONTROL LEVER (1 required per assembly)

0320524 - Control Lever Bearing [ More info ]
In Stock

#57 — 319665 — GASKET,WATER COVER (1 required per assembly)

0319665 - Water Cover Gasket [ More info ]
Unavailable

18-2856-9 - Gasket 319665 2-Pack [ More info ]

$9.51 $8.65
2 In Stock.

#58 — 314951 — SCREW,STARTER BRACKET. MANUAL START MODELS (1 required per assembly)

0314951 - SCREW [ More info ]
Unavailable

#59 — 311344 — BOLT,INSTRUMENT CABLE. ELECTRIC START MODELS (1 required per assembly)

0311344 - Bolt [ More info ]
In Stock

#60 — 308751 — SCREW,STARTER BRACKET. ELECTRIC START MODELS (1 required per assembly)

0308751 - Screw [ More info ]
Unavailable

0331025 - Screw [ More info ]
Unavailable

#61 — 306396 — LOCKWASHER (2 required per assembly)

0306396 - Lock Washer [ More info ]
Unavailable

3852053 - Screw, Volvo [ More info ]

$7.20
Available to Order: Usually ships within 10 days.

#62 — 300646 — SCREW,CYL.HEAD COVER (13 required per assembly)

0300646 - Screw [ More info ]
Unavailable

#63 — 386056 — SAFETY SWITCH ASSY.. ELECTRIC START MODELS (1 required per assembly)

0386056 - Safety Switch [ More info ]
Unavailable

#64 — 310498 — WASHER. ELECTRIC START MODELS (2 required per assembly)

0310498 - Washer [ More info ]
Unavailable

#65 — 312288 — SCREW,SWITCH TO BRACKET. ELECTRIC START MODELS (2 required per assembly)

0312288 - Screw, Switch Mounting [ More info ]
Unavailable

#66 — 306450 — SCREW,BY-PASS COVER (3 required per assembly)

0306450 - Screw [ More info ]
Unavailable

#67 — 307788 — NUT,SWITCH TO BRACKET. ELECTRIC START MODELS (2 required per assembly)

0307788 - Nut [ More info ]
Unavailable

0325994 - Nut [ More info ]
Unavailable

#68 — 320523 — BEARING CLAMP (2 required per assembly)

0320523 - Bearing Clamp [ More info ]
Unavailable

#69 — 310439 — CLAMP (1 required per assembly)

0310439 - Hose Clamp [ More info ]
Unavailable

#70 — 321528 — NUT,SHIFTER LOCK (1 required per assembly)

0321528 - Nut [ More info ]
Unavailable

#71 — 304222 — COLLAR (1 required per assembly)

0304222 - Collar [ More info ]
In Stock

#72 — 307565 — PIN,ROD,PIVOT PIN (2 required per assembly)

0307565 - Pin [ More info ]
Unavailable

#73 — 304051 — WASHER,SCREW TO LEVER. MANUAL START MODELS (1 required per assembly)
		0304051 - Ignition Coil Mounting Washer [ More info ] Unavailable
		0328703 - Washer [ More info ] Unavailable
		3852193 - Washer, Volvo [ More info ] $6.00 Available to Order: Usually ships within 10 days.

#73 — 310540 — WASHER,LEVER TO CYLINDER. ELECTRIC START MODELS (1 required per assembly)

0310540 - Washer [ More info ]
Unavailable

#74 — 318491 — SCREW,ADJ.SHIFTER LOCK. MANUAL START MODELS (1 required per assembly)

0318491 - Screw, Adj Shifter Lock [ More info ]
Unavailable

#75 — 316659 — NUT,ADJ.SCREW. MANUAL START MODELS (1 required per assembly)
		0316659 - Nut [ More info ] Unavailable
		0311375 - Nut [ More info ] Unavailable
		3852099 - Nut, Volvo [ More info ] $6.30 Available to Order: Usually ships within 10 days.

#76 — 322781 — SCREW,LOWER LOCKOUT LEVER. MANUAL START MODELS (1 required per assembly)

0322781 - Screw - Shift Lock [ More info ]
Unavailable

#76 — 315092 — SCREW,LOCKOUT LEVER BOSS. ELECTRIC START MODELS (1 required per assembly)

0315092 - Screw, Base, Air Silencer [ More info ]
Unavailable

#77 — 322661 — LEVER,LOCKOUT,LOWER. MANUAL START MODELS (1 required per assembly)

0322661 - Lockout Lever - Lower [ More info ]
In Stock

#78 — 316245 — CLAMP,MOTOR CABLE LEADS. 35 HP MODELS ONLY ELECTRIC START MODELS (1 required per assembly)

0316245 - Clamp - Cable [ More info ]
Unavailable

#79 — 305831 — WASHER,PIVOT PIN. 35 HP MODELS ONLY (1 required per assembly)

0305831 - Shim [ More info ]
Unavailable

#80 — 310440 — CLAMP,FUSE HOLDER. ELECTRIC START MODELS (2 required per assembly)

0310440 - J Clamp [ More info ]
Unavailable

$0330151 - CLAMP \'J\'$

0330151 - J Clamp [ More info ]
Unavailable

#81 — 321721 — SPRING (1 required per assembly)

0321721 - Spring [ More info ]
In Stock

#82 — 320156 — ROD,THROTTLE CONTROL (1 required per assembly)

0320156 - Throttle Control Rod [ More info ]
In Stock

#83 — 320786 — PIVOT PIN (2 required per assembly)

0320786 - FF Pivot Pin [ More info ]
In Stock

#84 — 304221 — SCREW (1 required per assembly)

0304221 - Collar to Cable Screw [ More info ]
Unavailable

#85 — 317753 — SCREW,CLAMP. ELECTRIC START MODELS (1 required per assembly)

0317753 - Screw [ More info ]
Unavailable

#86 — 319580 — SCREW,CLAMP (1 required per assembly)

0319580 - Screw, Clamp [ More info ]
Unavailable

#87 — 316659 — NUT,CABLE GROUND. ELECTRIC START MODELS (1 required per assembly)
		0316659 - Nut [ More info ] Unavailable
		0311375 - Nut [ More info ] Unavailable
		3852099 - Nut, Volvo [ More info ] $6.30 Available to Order: Usually ships within 10 days.

#88 — 308355 — NUT,BRACKET (2 required per assembly)
		0308355 - Nut [ More info ] Unavailable
		0121731 - Nut [ More info ] Unavailable
		3852005 - Nut - Volvo Penta (3852005) [ More info ] $4.00 Available to Order: Usually ships within 10 days.
		18-3722-9 - Lock Nut, 121731, 11-35888, Pack of 5 [ More info ] $11.99 $6.88 Available to Order: Usually ships within 10 days.

#89 — 317400 — SCREW,ADJUSTMENT. ELECTRIC START MODELS (1 required per assembly)

0317400 - Screw, Adjustment [ More info ]
Unavailable

#90 — 204046 — NUT. ELECTRIC START MODELS (1 required per assembly)
		0204046 [ More info ] Unavailable Replaced by 0328712
		0328712 - Screw Throttle Nut [ More info ] Unavailable
		3852185 - Nut, Volvo [ More info ] $5.10 Available to Order: Usually ships within 10 days.

#91 — 310620 — CLAMP (1 required per assembly)

0310620 [ More info ]
Unavailable
Replaced by 0314254

0314254 - Clamp - Sensor Lead [ More info ]
Unavailable

#92 — 0 — HOSE,BYPASS COVER TO MFLD.. 35 HP MODELS ONLY CUT FROM 321610 (1 required per assembly)

#93 — 320107 — CLAMP,HOSE. 35 HP MODELS ONLY (4 required per assembly)

0320107 - Fuel Hose Tie Strap, ramped face, Sold Individually [ More info ]
Unavailable

#94 — 303049 — COTTER PIN (2 required per assembly)

0303049 - COTTER PIN [ More info ]
Unavailable

#96 — 309041 — CLAMP,SENSOR LEADS (1 required per assembly)

0309041 - Cable Clamp [ More info ]
Unavailable

$0330151 - CLAMP \'J\'$

0330151 - J Clamp [ More info ]
Unavailable

#97 — 387849 — POWERHEAD GASKET SET (LESS CYLINDER HEAD GASK ET) (1 required per assembly)

0387849 - Powerhead Gasket Set [ More info ]
Unavailable

#322702 — 322702 — SEAL,OMC GEL (0 required per assembly)
		0322702 [ More info ] Unavailable Replaced by 0327361
		0327361 - OMC Gel Sealant Gasket Maker [ More info ] Unavailable
		0767242 - Gasket Maker 518 #37394, 1.69 Fl Oz [ More info ] In Stock