I have a johnson seahorse 10 hsp motor markings on motor 301848 under emblem on motor 168932 access lid 377108 need info on maintenance-plug gap-mix- year made-parts sources-fuel line(3 prong-no primer bulb-pressurized tank info-how does it operate and troubleshooting etc. Any info would be greatly appreciated.
Welcome these are great little motors.
There should be a tag on the top of the mounting bracket.QD something.
QD10 in 49 with the shift on the front.49-53 shift on front.all Johnson green,54 QD15 shift on the side 54/55 Johnson green 56/57 Holiday Bronze & white,58 White w Bronze trim.
59/60 white with fiberglass cover. I think 59 or 60 was last year for pressure tank.
Routine parts are readily available for most years some right here on iboats.
Twin hose, Tank parts are available. If you have the three pin connector guard it with your life
they are very expensive but repairable.Tank is pressurized by the motor,carb is primed with a plunger/botton on top of the tank.Reprint factory manuals are available here at iboats.
The parts manual is handy for parts chasing, repair manual a must for diy repair/restore.
We're here to guide you along.good luck