Evinrude 1978 70 - 70873C, Cylinder and Crankcase - parts catalog
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Cylinder and Crankcase
(1978) - 70873C| Parts Diagram | ## | Part # | Description | Qty | Notes |
 | 0386911 | 0386911 | Cylinder and crankcase assembly | 1 | |
| 0385758 | 0385758 | Cylinder and crankcase assembly | 1 | ||
| 1 | 0304178 | Dowel pin | 3 | ||
| 2 | 0314616 | Stud, cylinder | 1 | ||
| 3 | 0305070 | Taper pin | 1 | ||
| 4 | 0302288 | Screw | 2 | ||
| 5 | 0300646 | Screw, seal retainer | 4 | ||
| 6 | 0131794 | Screw, crankcase to cylinder | 4 | ||
| 7 | 0313538 | Stud, crankcase to cylinder | 2 | ||
| 8 | 0320372 | Lock nut, crankcase to cylinder | 2 | ||
| 9 | 0300343 | Washer, crankcase to cylinder | 8 | ||
| 10 | 0307776 | Screw, lower main bearing | 2 | ||
| 11 | 0309040 | Clamp | 2 | ||
| 12 | 0311339 | Clamp, solenoid leads to cylinder | 1 | ||
| 13 | 0319335 | Cylinder head, 70 hp. used on 70 hp models | 1 | ||
| 13 | 0320389 | Cylinder head, 75 hp. used on 75 hp models | 1 | ||
| 14 | 0318609 | Gasket, cover | 1 | ||
| 15 | 0317218 | Cover, cylinder head | 1 | ||
| 16 | 0309041 | Clamp | 6 | ||
| 17 | 0308751 | Screw | 3 | ||
| 18 | 0322098 | Screw, cylinder head cover | 15 | ||
| 19 | 0306396 | Lock washer | 1 | ||
| 20 | 0307267 | Screw, cylinder head | 18 | ||
| 21 | 0386941 | Spark plug, ch. L77J4. alternate spark plug for sustained full throttle operation | 3 | ||
| 21 | 0386939 | Spark plug, ac M40Ffx. alternate spark plug for sustained full throttle operation | 3 | ||
| 22 | 0322610 | Screw, thermostat cover | 5 | ||
| 23 | 0317245 | Spring, relief valve | 2 | ||
| 24 | 0317219 | Cover, thermostat & valves | 1 | ||
| 25 | 0386802 | Bell crank, hub and pin assembly | 1 | ||
| 26 | 0304151 | Screw, shift rod lever | 1 | ||
| 27 | 0317226 | Gasket, thermostat cover | 1 | ||
| 28 | 0317227 | Gasket, plate to crankcase | 1 | ||
| 29 | 0322083 | Plate, exhaust manifold | 1 | ||
| 30 | 0317228 | Gasket, exhaust manifold | 1 | ||
| 31 | 0323087 | Cover, exhaust manifold | 1 | ||
| 32 | 0316676 | Washer, exhaust cover | 1 | ||
| 33 | 0202026 | Washer, shift lever | 1 | ||
| 34 | 0318309 | Manifold, exhaust | 1 | ||
| 35 | 0321601 | Screw, exhaust cover | 17 | ||
| 36 | 0 | Seal, cylinder to crankcase. cut from 50FT. roll, part number 309044 | 2 | ||
| 37 | 0382385 | Thermostat assembly | 1 | ||
| 38 | 0316664 | Bracket, idle adjustment | 1 | ||
| 39 | 0308993 | Spring, idle adjustment | 2 | ||
| 40 | 0203688 | Nut, idle adjustment | 2 | ||
| 41 | 0306337 | Screw, idle adjustment | 2 | ||
| 42 | 0314021 | Bumper, exhaust manifold | 1 | ||
| 43 | 0319318 | Lever, spark advance | 1 | ||
| 44 | 0313700 | Socket, spark linkage | 2 | ||
| 45 | 0313703 | Ball, socket | 2 | ||
| 46 | 0320284 | Link, spark advance | 1 | ||
| 47 | 0386652 | Throttle cam assembly | 1 | ||
| 48 | 0318366 | Bracket, fuel pump | 1 | ||
| 49 | 0315204 | Nut, powerhead stud | 1 | ||
| 50 | 0310524 | Yoke, throttle arm | 1 | ||
| 51 | 0387800 | Lever, throttle | 1 | ||
| 52 | 0318192 | Shoulder screw, throttle lever | 1 | ||
| 53 | 0314002 | Bushing | 1 | ||
| 54 | 0309322 | Clamp, fuse to thermo cover | 1 | ||
| 55 | 0314003 | Bushing, spark lever | 1 | ||
| 56 | 0314098 | Washer, throttle lever | 1 | ||
| 57 | 0314094 | Spring, throttle lever | 1 | ||
| 58 | 0314133 | Link, throttle lever to cam | 1 | ||
| 59 | 0314136 | Screw, throttle cam | 1 | ||
| 60 | 0314137 | Bushing, throttle cam | 1 | ||
| 61 | 0204445 | Washer, throttle cam | 1 | ||
| 62 | 0204757 | Wave washer | 2 | ||
| 63 | 0302474 | Washer, link | 3 | ||
| 64 | 0318449 | Screw, double end | 1 | ||
| 65 | 0306012 | Bow washer, shift lever | 1 | ||
| 66 | 0316659 | Nut, double end bolt | 1 | ||
| 67 | 0305650 | Cotter pin | 4 | ||
| 68 | 0318202 | Bow washer, shoulder screw | 1 | ||
| 69 | 0388676 | Pin, shift lever to shift rod | 1 | ||
| 70 | 0302290 | Lock washer, pin | 1 | ||
| 71 | 0313413 | Gasket, cylinder head | 1 | ||
| 72 | 0302030 | Screw, bracket to crankcase | 2 | ||
| 73 | 0317615 | Screw, spark advance | 1 | ||
| 74 | 0386686 | Temperature switch | 1 | ||
| 75 | 0301472 | Nut | 1 | ||
| 76 | 0303806 | Tubing, insulation | 1 | ||
| 77 | 0376349 | Ground strap | 1 | ||
| 78 | 0316132 | Grommet, relief valve | 2 | ||
| 79 | 0315197 | Clip, cable clamp to exhaust cover | 1 | ||
| 80 | 0310440 | Clamp, battery cable to exhaust cover | 1 | ||
| 81 | 0317000 | Clamp, insul cable to exhaust cover | 1 | ||
| 82 | 0314416 | Bumper, spark advance | 1 | ||
| 83 | 0304753 | Nut, spark advance | 1 | ||
| 84 | 0312708 | Bushing, shift lever to crankcase | 2 | ||
| 85 | 0313607 | Lubrication fitting | 1 | ||
| 86 | 0319097 | Gasket, exhaust manifold | 1 | ||
| 87 | 0552906 | Cotter pin, shift lever | 1 | ||
| 88 | 0303311 | Screw, stator clamp | 1 | ||
| 89 | 0306387 | Cotter pin, link to lever | 1 | ||
| 90 | 0318567 | Yoke, link to bell crank | 1 | ||
| 91 | 0320184 | Link, shift lever to bell crank | 1 | ||
| 92 | 0318194 | Bushing, link shift lever | 1 | ||
| 93 | 0318197 | Pin, yoke to bell crank | 1 | ||
| 94 | 0302474 | Washer, pin to yoke | 1 | ||
| 95 | 0303304 | Washer, link to shift lever | 1 | ||
| 96 | 0312977 | Bow washer, link to lever | 1 | ||
| 97 | 0318193 | Bushing, bell crank | 1 | ||
| 98 | 0318539 | Lever, shift rod | 1 | ||
| 99 | 0320185 | Shift lever | 1 | ||
| 100 | 0313416 | Gasket, thermostat | 1 | ||
| 101 | 0315625 | Valve, pressure relief | 2 | ||
| 102 | 0314125 | Bushing, link | 1 | ||
| 103 | 0315930 | Lift bracket | 1 | ||
| 104 | 0306322 | Screw | 2 | ||
| 105 | 0304299 | Screw, cover | 1 | ||
| 106 | 0322172 | Hose, indicator | 1 | ||
| 107 | 0321886 | Elbow | 1 | ||
| 108 | 0309846 | Clamp, hose | 2 | ||
| 109 | 0386998 | Cylinder. head kit, high prfm | 1 | ||
| 110 | 0388678 | Powerhead gasket set | 1 |
Parts catalog covers:
70873C
