Hi I have a Johnson outboard 15 hp with the logo Seahorse MagFlash CD. This unit was repainted and the equipment tag was missing.
It has the following features
1. Use Power Unit for ignition
2. Has older carburetor all metal not the one that have black plastic top
3. It has a pee hole for water pump function indicator.
Would appreciate information on year or range of years and model number if known
This motor has a problem running at high speed. The unit run when cold and died when engine warms up. It can run again if choke is partially open at a certain spot. The carburetor has been cleaned and replaced with new float, needle and plug. I saw a post of a similar engine with similar problem where the owner changed the crankshaft seal. Could some one explain why crank shaft seal seems to fix carburetor problem? I want to try the same fix but dont know the model to order the seal. If you know the partnumber for the crank shaft seal please let me know. Should the lower crank shaft seal to be replace as well? is lower seal harder to replace?
Many thanks
It has the following features
1. Use Power Unit for ignition
2. Has older carburetor all metal not the one that have black plastic top
3. It has a pee hole for water pump function indicator.
Would appreciate information on year or range of years and model number if known
This motor has a problem running at high speed. The unit run when cold and died when engine warms up. It can run again if choke is partially open at a certain spot. The carburetor has been cleaned and replaced with new float, needle and plug. I saw a post of a similar engine with similar problem where the owner changed the crankshaft seal. Could some one explain why crank shaft seal seems to fix carburetor problem? I want to try the same fix but dont know the model to order the seal. If you know the partnumber for the crank shaft seal please let me know. Should the lower crank shaft seal to be replace as well? is lower seal harder to replace?
Many thanks