1970 Johnson 115 HP Outboard Motor Service manual, Page 28Get this manual
bRepeat same procedure for choke valves by manually closing choke valvesNOTE spring is removed from solenoid plunger, install by twisting on to plunger 2-12 to 3-12 turnsSee Figure 3-20BcReattach solenoid to air silencer basesee Figure 3- 20AFor proper adjustment,
dAdjust carburetors as described by the following adjustment proceduresTHROTTLE CAM ADJUST MENT aTop scribe mark on throttle cam should align with center of cam follower roller as roller makes contact with camSee Figure 3-21bWith top scribe mark on throttle cam aligned with center of cam fol lower roller, loosen carburetor cam follower screwMove armto close throttle valves and retighten screwSee Figure 3- 21SYNCHRONIZING CARBURETOR AND DISTRIBUTOR LINKAGE To assure proper spark advance at all throttle settings, carbureto and distributor must be synchronized after distributor linkage has been reassembledFollow the Instructions given in Section 4, "Synchroni zing Carburetor and Distributor Unkage LOW-SPEED NEEDLE aTurn each low- speed needle clockwise until needles seat gentlyDO NOT FORCEb Turn each low- speed needle counterclockwise 78 turn