Search results

  1. merc150

    FLO-TORQ 4 work on XR6 with Tempest plus prop????

    I have a 2003 merc 150 xr6 on a 94 hydra sports 1900 flats boat. I have been experimenting with props and found that the 19 pitch tempest plus is by far the best prop for my boat the only problem is I have really bad prop rattle/chatter at idle in forward/drive (it goes away after 1200 rpms) but...
  2. merc150

    trim tab bolt grease or loc tight??

    I rounded the head on the trim tab bolt ended up drilling the bolt out. The rest of the bolt is seized in the trim tab so ill have to get a new one. I got a new mercury trim tab bolt and it looks like it came with red loc tight on the bolt my question is should I use the bolt like it is or clean...
  3. merc150

    STRIPPED trim tab bolt HELP!!

    I planned on pulling my lower unit off today to check the water pump on my 2003 merc 150 and ended up rounding off the head of the trim tab bolt. Any other way to get the bolt out besides drilling it? And where can I get another bolt? anyone else run into this problem? Any help is very appreciated!!
  4. merc150

    03 merc 150 idle mixture screws are not all adjusted the same?normal?

    I was looking at my motor today (2003 merc 150 carb motor) and notice the ide mixture screws on both sides are turned all the way out (rich side) only on the middle carb. Top and bottom carbs are set at stock setting (the little pointer piece at the top of the plastic screw is facing straight...
  5. merc150

    XR6 still running hot still cant firgure it out

    Hope you guys can help me figure this out! I have a 2003 merc 150 xr6 CARB motor. I changed the thermostats,poppet valve,temp sensor for the gauge, new water pressure and temp gauges,spark plugs (yes they are the correct ones) and did a complete water pump kit, all parts are from mercury, (also...
  6. merc150

    BEST PERFORMANCE REEDS FOR MERCURY 150 CARB ???

    I ordered a set of boyesen reeds for a marine company and they ended up closing down last week so they ended up refunding my money. I have a 2003 mercury 150 carb motor. I have 1 broken reed and 2 chipped reeds all on the same reed block. Im looking to replace the reed valves with performance...
  7. merc150

    2003 merc 150 boyeson reed valves?

    I have a 2003 merc 150 carb motor I have a bad reed valves. I bought a set of boyeson performance reeds do I need to make any charges to the carb or timing? or do I just put them in and im good to go? THANKS
  8. merc150

    possibly water in cly. and spark plug gap closed

    So went to change my plugs on my 2003 150 v6 carb motor and when I pulled the number one spark plug out I noticed the gap was closed almost to 0.10 gap and also noticed a little bit of water/oil on the plug (prolly head gasket) I did not see any marks at all on the piston. We have been chasing a...
  9. merc150

    transom bolts torque??

    I had to remove my 03 merc 150 to put a power pole on. I going to use a torque wrench when I put the transom bolts back in. Does anyone know the transom bolt torque specs? Thanks
  10. merc150

    Need help with prop pitch (stiletto)

    Hey guys!! I have a 1994 19ft hydra sports flats boat with a 2003 mercury 150 carb motor. The boat is heavy and has many ad ons such as polling platform, front fishing platform, trolling motor, power pole and 4 livewells, 50 gallon gas tank, and i usually 3 people on the boat. Im trying to...
  11. merc150

    Am I over propped??

    :confused:I have a 2003 merc 150 carb motor motor originally came with a 17 pitch prop and mercury recommends 5500-5600 rpm at WOT. With the 17 pitch prop my boat plows (even with the motor tilled up as far as it will let me) and has a hard time getting on plain (1994 19ft Hydra sports flats)...
  12. merc150

    2003 mercury 150 saltwater carb motor running hot at full speed...HELP

    Hey guys I have a 2003 mercury 150 saltwater CARB motor with maybe 350-400 hours on it. I have been having problems for the past month with it running at about 180-185 at 4000 rpms. It will run at 140 to 160 or so from idle to mid rpm range then it gets up to 180-185 at 4000 to 5000 rpms. I...
Top