Search results

  1. T

    Help identifying this broken part? pic attached

    I have a 1993 135 Blackmax. I am having a new issue which I believe I have finally narrowed down. I can run the boat idle and in gear as long as I am going slow. Once I try to accelerate to get to plane the motor feels like it has lost 75% of its power. Tonight I pulled the spark plugs and ran a...
  2. T

    fuel delivery question

    I am trying to troubleshoot my problem. I have a 1993 135 black max. Bought it used and so far its been a great motor. Only recently the last couple of outings I have been having some issues with fuel delivery. After about 4-5 min the engine will just slowly stall out like it ran out of fuel. If...
  3. T

    how to install fuel pump on merc 135

    So I have called around to a bunch of marina's and they are all telling me I need a new fuel pump. Basically my 93 merc 135 black max is stalling at idle after about 4 or 5 min and on acceleration. If I continue to prime the bulb I can keep the motor running without stalling. Is the new fuel...
  4. T

    **help** new water separator install and fuel flow problems

    Hey guys so I just finished adding a water separator to my boat. I have a 2000 campion with a 93 merc black max 135. Before the install recently I noticed that the boat would suddenly die when running but not all the time. I would check the fuel primer bulb and it would feel empty. A few quick...
  5. T

    stuck socket need help pic attached

    Hey guys I had my boat mechanic come out and do a service on my boat. He left a socket on the leg and I think its causing a rattle when I accelerate the boat. I thought it would be pretty easy to remove however it gets stuck as I try and yank it out. I tried to clean around the hole because...
  6. T

    93 Black Max 135 strange noise video attached

    Hey guys I have attached a video for you to hear the noise. It seems strange to me but the motor is running perfectly fine. I notice this noise only at first when I accelerate. If I continue to accelerate through it goes away. I don't want to be out on the water and have it a bigger issue so...
  7. T

    93 Mercury BlackMax What Octane to Use?

    I just purchased a new/used boat and it has a 1993 Merc BlackMax 135 on it. Seems to be running great had it out several times this year. I am curious what you guys suggest for octane to use. I recently put in 94 octane but boy did I feel that $$. I have spoken to a few friends and they said...
Top