1971 Johnson 4HP Outboard Motors Service Manual, Page 34Get this manual
points have installed, adjust points to at the first timing mark to allow for seating of the fibre blockfRecheck timing as described in (d) gIf timing light meter is not available, use feeler gage to adjust breaker pointsPoint gap should set to .020 inch (.022 inch for new points) with the the high lobe of the (fuH hRotate crankshaft through 1800 clockwise, and repeat entire procedure for second set of pointsiReattach leads to breaker assemblies, and place flywheelCheck spark at each cylinderTighten flywheel nut to torque specified in Section 2Connect lead wires to spark plugs, making sure that firm contact is made at the spark plug terminals, and that lead wire terminal in cover makes contact with the conductor in the lead wire Figure 4-21Adjusting Breaker Points