1978 Johnson 175, 200, 235 HP Outboard Service Manual, Page 65Get this manual

1978 Johnson 175, 200, 235 HP Outboard Service Manual, Page 65

1Adapter 2Orange lead 3High tension lead (secondary) 4Ground probe 5Orangeblack lead Figure 4-38Leakage Test
1Timing pointer 2Screw Figure 4-39TDC Alignment mark on the flywheel are in agreement, the timing pointer alignment is correctIf not, proceed to Step 55Turn the flywheel to align the mid-point mark with pointer (hold flywheel in this position) Loosen pOinter adjustment screw and move pointer to align with cast-in TDC mark on flywheelSee Figure 439Tighten adjustment screw
TIMING POINTER ADJUSTMENT
Engine performance depends on the accuracy of ignition timing and carburetor synchronizationIf major power head components have been replaced, or timing pOinter disturbed, the pOinter should be rechecked against the TDC mark on the flywheelTo check and adjust, proceed as follows :

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