Search results

  1. M

    25hp Johnson woes

    My son has a '00-'01 Johnson 25hp outboard that is acting up. Ity doesn't want to idle well and appears to be misfiring. When you get the boat on plane with WOT it has a slight power loss. You can get the engine to increase RPM's by about 500 or so by slightly pulling out the choke knob. I...
  2. M

    Carb Cleaner OK?

    I have an '84 Mariner 115 inline six which is used infrequently. When I first use it, the engine hesitates and bogs on the hole shot. After a couple of hours of running it is OK. This leads me to suspect that the carbs are somewhat gummed up with varnish. I don't feel like rebuilding them...
  3. M

    '01 Johnson 25HP water pump

    My son has an '01 25HP Johnson and as preventive maintenance, I would like to replace the water pump. What is involved with the repair? Any special tools or cautions? Many Thanks! Mike
  4. M

    Mariner 115 idle problem

    I have a 1984 Mariner 115 (inline 6) that will idle erratically from time to time. It will idle at about 500 rpm and then randomly and abruptly bump up to about 1000 rpm. When idling at the lower (500 rpm) speed it will sometime dies. At anything over a dead idle it will run smooth all the...
Top