Search results

  1. A

    Fuel issue Marine Power 5.7

    2001 Marine Power 5.7 vortec (315HP) Holley 4160. When the vacuum secondaries open around 3600 rpm I noticed I had very very little fuel coming from the secondary side nozzles. Carb was just rebuilt and I rebuilt secondary side again just to be sure and same issue. Boat is new to me and before I...
  2. A

    Fuel pump issue Marine Power 5.7

    I had a problem with my electric fuel pump today. 2001 marine power 5.7 Vortec. Engine would not start today and noticed fuel pump was getting no voltage. I assumed it was the oil pressure sensor ( i think thats where the voltage comes from). I had plans and really wanted to go out so I ran...
  3. A

    Two stators gone bad in one week. 1991 Johnson 120

    1991 Johnson 120 Hp. Two weeks ago went out fishing when I went to pull anchor engine would not start. No spark had to be towed home. Performed test for stator per service manual and failed tests. Resistance was reading open and no voltage. Picked up a used stator installed and tested was within...
  4. A

    Felt like prop hub spun but think it might be a different problem (Alpha Drive)

    Alpha one gen 2 outdrive. Yesterday I was out fishing and when I accelerated past 2800 rpm in to 3 foot seas the engine seemed to rev or over rev. It sounded as if the prop spun but I think it may be something else. Engine would hold 2800 rpm. Trolled the rest of the day and then was able to...
  5. A

    Distributor question Delco EST

    My Delco EST distributor is not advancing timing past 12. Initial timing set at 8 BTDC. 2001 Marine Power 5.7 Vortec. Does this mean my distributor is bad? Do I need a complete new distributor or is there a rebuild kit of some kind? What should my total timing be I was thinking around 30...
  6. A

    Engine backfire when secondaries open Timing not advancing past 12( 5.7 Marine Power

    Looking for some help. I have a 1975 Formula 233 center console. Engine is a 2001 Marine Power 5.7 with Holley 4 barrel. I will give you a quick rundown of the problem. Fuel tank leaked and water entered tank. New tank installed. Rebuilt carb due to water intrusion. After rebuilding carb engine...
  7. A

    Will Uflex Rotech steering work on my sterndrive

    Replacing the steering cable on my 1975 Formula 233. I have a 5.7 with alpha one gen2 drive. It has the earlier style power assist. I am trying to find out if the Uflex Rotech steering cable will work on my set up with the power assist. Thanks
  8. A

    Opinion on risers and manifolds (Pics)

    These are the manifolds and risers off my 2001 5.7 Marine Power. It appears to me that these are ok but would like some more opinions. I sandblasted them lightly with glass beads. Thanks.
  9. A

    Starter engaged while running 3000 rpm

    Engine 2001 Marine Power 5.7 Vortec. On my way to fish the other day the starter engaged at 3k rpm. Shut down boat immediately. Restarted and starter stayed engaged. Thought it was key switch so put key in on position and started at relay. That worked and starter did not stay engaged. Ran the...
  10. A

    Engine started turning over with no key in ignition

    So at eleven last night I think I here an engine trying to start I open my back door and my engine is cranking away . I jump in the boat and turn off the battery. The key was not in the ignition which I guess is why it did not start no spark I guess. Now a little background. This is a new to me...
  11. A

    1993 Yamaha L250 txrr idle stuck at 1200 rpm

    1993 Yamaha L250 txrr While out catching bait the other day engine was in neutral idleing around 700 then all of a sudden rpm increased by itself to 1200. Turned the motor off and back on but idle will not drop down. When I tried to run home the engine wouldn't go above 1800 even at wot. I idled...
  12. A

    Very Frustrated 1993 250txrr no power

    I recently bought a used 1993 250. Engine had good compression and ran fine. I brought the engine home and it sat for a month on a stand while I finished the project boat. Today I was finally able to hang the engine. The controls and key switch are not on the boat yet but I was eager to start...
  13. A

    Help with new to me 1993 250

    I just purchased a 1993 250 hp. The motor had even 118 compression on all cylinders and runs great. My question is that the oil injection was removed the sender dipstick has the float ziptied up as to not sound alarm but the tank is gone. I know everyone says to leave the oil injection but mine...
  14. A

    Would a 1997 Yamaha 250 engine cowling fit on a 1993

    Would a 1997 Yamaha 250 engine cowling fit on a 1993 250 Thanks
  15. A

    Looking at buying 1993 Yamaha 250

    I am going to look at a 1993 Yamaha 250 tomorrow. I was wondering if there were any issues to look out for with this year and model. Also does anyone know what to expect in fuel burn. Thanks for any advice.
  16. A

    Which tach 1995 Yamaha c115ltr

    I just purchased a boat with a 1995 Yamaha C115LTR. The previous owner had spliced in a non Yamaha tach that I believe is giving me false readings (over 6000 rpm with 19 pitch prop on 19' Aquasport 19-1) What is the correct Yamaha tach for this engine? Opinion on what pitch for prop? Thanks for...
Top