Johnson 1987 100 - J100WTLCUA, Cylinder & Crankcase - parts catalog
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Cylinder & Crankcase
(1987) - J100WTLCUA| Parts Diagram | ## | Part # | Description | Qty | Notes |
 | 1 | 0397206 | Cylinder crankcase assembly | 1 | |
| 2 | 0304178 | Pin, dowel bearing | 1 | ||
| 3 | 0319592 | Screw, cylinder. to crankcase, center | 2 | ||
| 4 | 0321640 | Stud, rear | 2 | ||
| 5 | 0310507 | Plug, oil hole | 1 | ||
| 6 | 0314616 | Stud, front | 2 | ||
| 7 | 0308752 | Screw, crankcase to cylinder, bottom | 2 | ||
| 8 | 0318907 | Screw, crankcase, to cylinder, top | 2 | ||
| 9 | 0305070 | Pin, taper | 2 | ||
| 10 | 0322411 | Deflector, water pass | 4 | ||
| 11 | 0305650 | Cotter pin, throttle rod | 2 | ||
| 12 | 0305650 | Cotter pin, throttle cam | 1 | ||
| 13 | 0300646 | Screw | 2 | ||
| 14 | 0306778 | Screw, cylinder to crankcase | 6 | ||
| 15 | 0397018 | Yoke & thumbwheel | 1 | ||
| 16 | 0202026 | Washer, shift lever | 1 | ||
| 17 | 0330941 | Retaining pin | 1 | ||
| 18 | 0307133 | Gasket, bypass cover | 4 | ||
| 19 | 0323045 | Cover, bypass | 1 | ||
| 20 | 0310532 | Cover, bypass, starboard. lower | 1 | ||
| 21 | 0310525 | Pin, thumbwheel to cam | 1 | ||
| 22 | 0321886 | Elbow, indicator | 1 | ||
| 23 | 0328701 | Lock washer, ground strap | 4 | ||
| 24 | 0376349 | Strap, ground | 1 | ||
| 25 | 0306049 | Screw, bypass cover | 19 | ||
| 26 | 0328737 | Washer | 2 | ||
| 27 | 0318358 | Gasket, cylinder. head | 2 | ||
| 28 | 0329539 | Cylinder head, starboard | 1 | ||
| 29 | 0318335 | Gasket, cover | 2 | ||
| 30 | 0318333 | Cover, cylinder head | 2 | ||
| 31 | 0309322 | Clamp | 5 | ||
| 32 | 0306409 | Screw, cylinder. head cover | 32 | ||
| 33 | 0307267 | Screw, cylinder head | 20 | ||
| 34 | 0386941 | Spark plug, L77JC4 | 4 | ||
| 34 | 0390659 | Spark plug, QL78V. radio noise suppressor | 4 | ||
| 35 | 0386686 | Switch, temperature | 2 | ||
| 36 | 0303806 | Sleeve, switch lead | 2 | ||
| 37 | 0321724 | Hose, cylinder head, starboard | 1 | ||
| 38 | 0321723 | Hose, cylinder head, port | 1 | ||
| 39 | 0324825 | Clamp, cylinder head hose | 4 | ||
| 40 | 0329538 | Cylinder head, port | 1 | ||
| 41 | 0330151 | Clamp, power pack connector | 3 | ||
| 45 | 0395588 | Lever, shift rod | 1 | ||
| 46 | 0317914 | Gasket, exhaust cover | 2 | ||
| 47 | 0908159 | Screw, lever | 1 | ||
| 48 | 0308751 | Screw, sprt bracket. to bypass cover | 4 | ||
| 49 | 0322689 | Cover, exhaust outer | 1 | ||
| 50 | 0327721 | Hose, indicator | 1 | ||
| 51 | 0329503 | Cover, exhaust outer | 1 | ||
| 52 | 0314964 | Seal, cylinder. to crankcase, port | 1 | ||
| 53 | 0309905 | Screw, exhaust manifold to cylinder, short | 21 | ||
| 54 | 0204046 | Nut, throttle stop | 1 | ||
| 55 | 0332126 | Bushing, shift lever | 1 | ||
| 56 | 0330145 | Cotter pin, spark lever | 1 | ||
| 57 | 0320302 | Bushing, thumbwheel to cam | 1 | ||
| 58 | 0397044 | Shift lever | 1 | ||
| 59 | 0303887 | Washer | 1 | ||
| 60 | 0315101 | Bushing | 1 | ||
| 61 | 0323264 | Pin | 1 | ||
| 62 | 0328064 | Nut | 3 | ||
| 63 | 0395475 | Link & pin assembly | 3 | ||
| 64 | 0328693 | Screw, throttle stop | 1 | ||
| 65 | 0330718 | Roller, cam follower | 1 | ||
| 66 | 0330720 | Eccentric, cam roller | 1 | ||
| 68 | 0332762 | Retainer, rod spark advance | 1 | ||
| 69 | 0303395 | Screw, roller to lever | 1 | ||
| 70 | 0328735 | Washer, spark control rod | 2 | ||
| 72 | 0330179 | Washer, spark advance pin | 1 | ||
| 73 | 0308993 | Spring, idle adjust | 1 | ||
| 74 | 0328710 | Nut, idle adjust | 1 | ||
| 75 | 0328699 | Screw, idle adjust | 1 | ||
| 76 | 0330898 | Lever, spark control | 1 | ||
| 77 | 0326365 | Spring clamp, cable to brace | 1 | ||
| 78 | 0330985 | Throttle cam | 1 | ||
| 79 | 0310928 | Clamp | 1 | ||
| 80 | 0305650 | Cotter pin, spark control | 2 | ||
| 81 | 0328739 | Washer, roller to lever | 1 | ||
| 82 | 0397084 | Lever, throttle | 1 | ||
| 83 | 0318660 | Cap, idle adjustment screw | 1 | ||
| 84 | 0308532 | Bushing, throttle lever | 2 | ||
| 85 | 0319274 | Seal, cylinder to crankcase, starboard | 1 | ||
| 86 | 0308532 | Bushing, spark control | 2 | ||
| 87 | 0908398 | Washer, throttle lever | 2 | ||
| 88 | 0331577 | Sleeve, throttle lever | 1 | ||
| 89 | 0330902 | Rod, throttle lever to cam | 1 | ||
| 90 | 0330933 | Screw, throttle cam | 1 | ||
| 91 | 0331577 | Sleeve, spark control | 1 | ||
| 92 | 0328703 | Washer, throttle cam | 1 | ||
| 93 | 0908398 | Washer, spark control | 2 | ||
| 94 | 0328702 | Washer, throttle rod | 3 | ||
| 95 | 0319217 | Support brace, port | 1 | ||
| 96 | 0319218 | Support brace, starboard | 1 | ||
| 97 | 0313581 | Bumper, support brace | 2 | ||
| 98 | 0310379 | Screw, clamp to brace, port | 1 | ||
| 99 | 0317883 | Clamp, drain hose | 1 | ||
| 100 | 0395448 | Ball & socket linkage | 1 | ||
| 101 | 0330901 | Rod, spark advance | 1 | ||
| 102 | 0328741 | Nut, throttle lever | 1 | ||
| 103 | 0317968 | Screw, throttle lever | 1 | ||
| 105 | 0301472 | Nut, ground | 1 | ||
| 106 | 0306012 | Bow washer | 1 | ||
| 107 | 0330143 | Stud, ground | 1 | ||
| 108 | 0328701 | Lock washer, ground | 1 | ||
| 110 | 0330151 | Clamp, trim cable | 1 | ||
| 111 | 0317968 | Screw, spark control | 1 | ||
| 112 | 0124341 | Screw, idle stop | 1 | ||
| 113 | 0332154 | Plate, idle stop | 1 | ||
| 114 | 0330935 | Bushing, rod keeper | 1 | ||
| 115 | 0392754 | Cover, bypass | 2 | ||
| 116 | 0327227 | Cap, bypass cover | 2 | ||
| 117 | 0316487 | Retainer, spark plug leads | 2 | ||
| 118 | 0391300 | Powerhead gasket set | 1 |
Parts catalog covers:
J100WTLCUA
