Honda BF35A-BF45A Outboard Motors Shop Manual., Page 25Get this manual
DENGINE DOES NOT RUN SMOOTHLY Engine starts but stops soonPoor idle performance
I) Wet fouled spark plug caused from
excessive choke applicationStart the engine with the choke fully open and the throttle fully closedadjust, or replaceproperlyproperly
21 Faulty spark plug
3)Carburetor synchronization
misadjusted -Adjust 4) Carburetor pilot screwlstop screw misadjusted -Adjust 5)Carburetor slow circuit clogged with dirt -Overhaul-Drain Overflowed carburetor 1
the carburetor and prime againIf still not good, overhaul the carburetor
7)Secondary air sucked caused from
damaged carburetor insulator gasket -Replace11 Choke not returned properly-Return
21 Throttle cable misadjusted -Adjust 31 Propeller mismatched -Select
properlycorrect propeller
4) Engine overheats, engine oil pressure drops abnormally(Warning system functions -Clean, adjust, or 5)Faulty spark plug replace6)Clogged fuel filter -Replace-Drain the car7 )Waterldirt in carburetor buretorOverhaul if it is still no good-Reinstall the timing 8) Incorrect valve timing beltI Acceleration1deceleration system misadjusted -ReadjustClogged dash pot check valve -Replace3Throttle cable stuck with salt -Replace4) Carburetor throttle shaf-t not move smoothlv-Replace