Carburetor Parts for 1978 Johnson 4 hp 4R78E Outboard Motor
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 — 310925 — WASHER (1 required per assembly) | ||
0310925 - Washer [ More info ] Unavailable |
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#2 — 323503 — SCREW, CAM FOLLOWER (1 required per assembly) | ||
0323503 [ More info ] Unavailable Replaced by 0324393 |
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0324393 - Screw, Cam Follower [ More info ] Unavailable |
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#3 — 323328 — ROLLER, CAM FOLLOWER (1 required per assembly) | ||
#4 — 318823 — ORIFICE (1 required per assembly) | ||
#5 — 306442 — PLUG, EXPANSION (1 required per assembly) | ||
#6 — 304201 — LEAD SHOT (4 required per assembly) | ||
#7 — 319010 — FLOAT CHAMBER ASSY (1 required per assembly) | ||
0319010 - Float Chamber - See Note on Detail Page [ More info ] Unavailable |
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0330881 - Float Bowl, New Takeoff, See Detail Page [ More info ] |
#8 — 307583 — PACKING, VALVE (3 required per assembly) | ||
#9 — 388981 — NEEDLE VALVE, SLOW SPEED (1 required per assembly) | ||
0388981 - Slow Speed Needle Valve [ More info ] Unavailable |
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0332119 - Slow Speed Needle Valve [ More info ] Unavailable |
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0431634 - Slow Speed Needle Valve, Models with Knob [ More info ] |
#10 — 300179 — PKG NUT, ADJ. NEEDLE VALVES (1 required per assembly) | ||
#11 — 302661 — HINGE PIN, FLOAT ARM (1 required per assembly) | ||
#12 — 382889 — FLOAT VALVE (1 required per assembly) | ||
0382889 - Float Valve [ More info ] Unavailable |
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#13 — 301996 — GASKET (1 required per assembly) | ||
#14 — 603145 — SPRING CLIP (1 required per assembly) | ||
0603145 [ More info ] Unavailable Replaced by 0336842 |
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#15 — 319011 — GASKET (1 required per assembly) | ||
0319011 - Bowl Gasket [ More info ] Unavailable |
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0331499 - Float Bowl Gasket [ More info ] Unavailable |
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#16 — 312831 — SHOULDER SCREW (1 required per assembly) | ||
#17 — 323327 — CAM FOLLOWER (1 required per assembly) | ||
#18 — 323467 — LINK, CAM FOLLOWER (1 required per assembly) | ||
0323467 - Cam Follower Link [ More info ] Unavailable |
#19 — 323410 — NOZZLE, HIGH SPEED (1 required per assembly) | ||
0323410 - High Speed Nozzle [ More info ] Unavailable |
#20 — 319008 — SCREW, CHAM. TO CARB. BODY (4 required per assembly) | ||
#21 — 306027 — WASHER, PACKING (1 required per assembly) | ||
#22 — 375919 — FLOAT ASSY (1 required per assembly) | ||
#23 — 202755 — RETAINER, THROTTLE SHAFT (1 required per assembly) | ||
#24 — 303048 — WASHER, THROTTLE SHAFT (1 required per assembly) | ||
0303048 [ More info ] Unavailable Replaced by 0330191 |
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#25 — 312853 — SPRING, THROTTLE RETURN (1 required per assembly) | ||
#26 — 306338 — NUT, CARB. STUD (2 required per assembly) | ||
0306338 [ More info ] Unavailable Replaced by 0328742 |
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#27 — 323452 — GASKET (1 required per assembly) | ||
0323452 - Carburetor To Intake Manifold Gasket [ More info ] |
#28 — 389199 — CARUBRETOR REPAIR KIT (1 required per assembly) | ||
0389199 - Carburetor Repair Kit with Float [ More info ] Unavailable |
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0398532 - Carburetor Kit with Float, See Important Note on Detail Page [ More info ] |
#388902 — 388902 — CARBURETOR ASSEMBLY. NOT SHOWN (1 required per assembly) | ||
0388902 - Carburetor [ More info ] Unavailable |