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  1. nazmen1

    1993 Mercruiser 4.3 2bbl carb running out of power

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  2. nazmen1

    1993 Mercruiser 4.3 2bbl carb running out of power

    Here is an excellent video about the corrosive effects of ethanol. This author has done many unbiased and honest review of products. Hoping it’s the fuel pump and that the next photo posted is of your boat wake at 4500 RPM with your smiling face in the foreground.
  3. nazmen1

    1993 Mercruiser 4.3 2bbl carb running out of power

    Two things to check. 1. The flame arrestor on my Bayliner was filled with carbon, dust and debris. Easy to clean with compressed air and wiping with a rag. 2. The electric choke thermostat is connected and operational. Fully opening the choke. Wishing you success on your next lake run...
  4. nazmen1

    1993 Mercruiser 4.3 2bbl carb running out of power

    One suggestion to check for fuel line blockage or crimping is to disconnect the fuel lines at both ends ( right at the entry and exit of the fuel pump) and use string trimmer line as a “plumber’s snake” to see if the fuel lines have any obstruction or kinks in them. The string trimmer line is...
  5. nazmen1

    1993 Mercruiser 4.3 2bbl carb running out of power

    It would be nice to measure the fuel pump pressure and find that as the cause. The fuel pump part number is 861155A3 for my 1998 Bayliner with 4.3L engine has an EBay cost is in the $60 range, Sierra part is 4 times that. Probably the same fuel pump for yours. With all you have done you might...
  6. nazmen1

    1958 Evinrude Sportwin 10 hp 10016 Gear Case Question

    Thanks for your help. I filed down the rough edges of the hole for the pin and the bearing came off without too much effort. Regarding the gear case, I removed/cut away the rubber seal which exposed the brass and using a screwdriver with a blade (I bent over slightly) was able to punch it...
  7. nazmen1

    58 QD-19 surprise

    Interesting - - I am rebuilding an 1958 Sportwin 10 hp and was surprised to find the pinion gear had 2 teeth missing as well. They were in the bottom of the gear box in very little pieces amongst the sludge that was formerly oil. Thank you F_R, I am replacing the housing and seal assembly...
  8. nazmen1

    1958 Evinrude Sportwin 10 hp 10016 Gear Case Question

    Rebuilding a 1958 Evinrude SporTwin 10 hp 10016. The lower gear case is disassembled and the gear head case (Part number 277812) while moving is not coming off the prop shaft restricted by the area where the drive pin is. I already have the replacement seal (part number 303345) in hand but...
  9. nazmen1

    15 Evinrude fuel issue

    What was the final problem and solution, anyone?
  10. nazmen1

    Bayliner Ignition Switch Replacement and Access

    My issue is with the ignition switch of my 1998 Bayliner 1850 SS Capri. The switch operates intermittently in the start position. It is the original ignition switch, I need to change it. On many boats the ignition switch is accessible by removing the dashboard face plate and easily installing...
  11. nazmen1

    Control Box - - Neutral Saftery Switch for 1998 Bayliner Capri 1850LS 4.3L Mercruiser

    The neutral safety switch for my Bayliner needs replacing, it is a Quicksilver 3000 Control Box (shows on the control box cover). Can someone tell me what the Merc part numbers and OEM part numbers are for this part. There are several great articles in the forum about replacing it, I just...
  12. nazmen1

    Bayliner Mercruiser 4.3L Throttle Dead Spot

    My 1997 Bayliner Capri 1850 with a 4.3L Mercruiser runs fine at idle and at WOT. Accelerating from 600 RPM to around 1,200 RPM the engine bobbles and gasps. At 1200 rpm there is a considerable improvement in the smoothness of the engine from which I can then accelerate to full throttle where...
  13. nazmen1

    Mercruiser 4.3L - - Location of Engine Drain Plugs

    My engine is a 4.3L Mercruiser The Merc manual gives general picture of where the engine drain holes are. Can anyone be more specific. Thank you.
  14. nazmen1

    Plane Adjustment for 1998 Bayliner Capri 1850 w 190 hp with Alpha1 Sterndrive

    I have a 1998 Bayliner Capri 1850 190 hp with Mercruiser Alpha 1 Sterndrive, purchased this spring. Have had it out 3 times. On the lake the other day first time with 4 adults in the boat, I could not exceed 20 mph due to the boat bouncing on the waves. Engine would go but the boat kept...
  15. nazmen1

    Merc 402 Idling Issues

    My 1978 Merc 402 has been resuscitated after not running for a few years.. Repairs from this winter include: 1. New switchbox 2. Stator that meets voltage specs 3. Cleaned up/replaced all the engine wiring. 4. New Fuel Diaphram 5. Rebuilt the Carb 6. Cleaned all fuel lines and filters...
  16. nazmen1

    Merc 402 Idling Issues

    My 1978 Merc 402 has been resuscitated. Repairs from this winter include: 1. New switchbox 2. Stator that meets voltage specs
  17. nazmen1

    Merc 402 missing at greater than 2000 RPM

    1979 Merc 402 - - engine was not working for a couple of years. With the help of forum narrowed the initial problem down to a bad switchbox and some brittle and oxidized wire. Replaced the switchbox with a new CDI unit and replaced all bad wiring in the wiring harness, all wiring up to the...
  18. nazmen1

    Merc 402 Timing Mark

    My engine is a 1978 Merc 402. The initial problem was the engine would not run. With the help of some people on the forum, Laddies, I narrowed the problem down to some very brittle wiring in the wiring harness and stator as well as a bad switch box. I replaced all the brittle wiring...
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