Search results

  1. R

    Temperature & water pressure guages

    I have a 2003 90 HP Johnson OB and I am going to add a temperature & water pressure gauges. Looking at both of the heads there is one clean drilled & tapped blind hole ( looks like 3/8- 24 NF) and the other looks like it has a 1/8-NPT plug plugging it. As far as temperature I like to monitor the...
  2. R

    Installation of electric fuel pump 2003 90 HP Johnson OB

    Want to replace primer bulb (been a pain in the lower unit) with an electric fuel pump mainly for initial priming. Fuel tank under center console and priming with hand bulb doesn't work well, they seem to not last one season. Should I turn it on and leave it on or just use for priming and let...
  3. R

    Lower unit removal

    I started to change out the water pump on a 1992 25 HP Johnson OB motor but cannot get the lower unit to come off. I have removed the 4 bolts on the sides, the forward nut and disconnected the gear shift connector and plastic insert and nut. The aft end of the casing is free and can be pried...
Top