???----Gears have to be mounted correctly.-----The term----" mounting distance " is used.-----Bearings are pushed against a specific spot so that gears mesh properly for long life.-----So bearing is pushed / forced on against a shoulder!
Model # of your motor?-----Factory parts used?----Does spark jump a gap of 3/8" on all leads?----Are you pushing the key in and holding it in while cranking the motor over?-----Have you tested the electric primer valve?
???----Was lower unit off for water pump work?----Does motor jerk as if you have hit a log?-----Agreed try another prop.-----Shift rod height checked ?-----Did this problem show up suddenly?-----Remember , no one can see or hear your motor.
What fuel pump and how is it hooked up ?-----Any pictures?----Have you inspected float and float valve?----Hooked it up to " pulse " on the air hose that went to the pressure tank?
Do a COMPLETE evaluation of this motor BEFORE spending beer tokens on parts.-----Including removing bypass covers to look at pistons / rings.-----Will likely need overhaul of the simple " universal " magneto.
The grease fittings are for the tilt tube on the motor.-----A thin smear of grease can be put on both rods.-----That second cable was an option for light fast boats.
Remove flywheel.----Remove distributor cap and rotor.----Clean internals of cap / rotor.----Inspect anti-reversing spring.----Check rubber boots at distributor cap.-----Plug wires screw into the cap.-----Install rotor with tab in correct position.----torque flywheel.-----Test run.