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  1. R

    Does a Mercury model 200 (1978) 20hp have a kill circuit

    There will be a stop circuit.-----You have to be careful just starting a motor because you want to hear it bark and roar.----If there is no battery properly wired in then damage to the charging system may be the outcome.
  2. R

    Bravo 3 Drive Showers

    There are temperature sensitive stickers you can put on the drive.----Will tell you what temperature the drive is running at.
  3. R

    Questions about waterlogged foam on 1977 Mckee Craft

    Using the expanding foam is a fast / cheap method of producing a boat.----Took the motor off a " whaler " a few years ago for that very reason.-----Foam was waterlogged.------Boat went into one of those tub grinders and was destroyed in seconds.
  4. R

    V--12 and 600 ponies

    Seems like the uber rich will power with these.-----Coming to the haulover inlet soon I think.
  5. R

    87 15hp (J15ECUD) No power under load.

    They all rev up in neutral.-----They will do that with one cylinder not working.-----Test compression.----Test spark.
  6. R

    1980 KMV

    A " heavy " boat might be a concern to me.------Does this boat have foam floatation, I think it does ?---Possibly water logged ?----Water in the oil pan would be a concern.-----Think rusted / corroded parts.
  7. R

    Questions about waterlogged foam on 1977 Mckee Craft

    Once the foam is water logged it is near impossible to get the foam dried out.----Cut the liner.---Remove the foam.-----Choose a method other than foam to provide structure / floatation.----Doing a project myself.----No way that I am putting foam under the floor.
  8. R

    Another VRO Question

    The pulse limiter does nothing.-----It only closes to protect the VRO from high airflow / pressure pulse from the crankcase.----The large plastic VRO pump pieces would crack / blow up from a pressure spike !!!!-----The pulse limiter is not needed for a conventional pump since the parts are...
  9. R

    Another VRO Question

    The pulse limiter is a ---FLOW FUSE-----It only closes when there is too much flow of air from the crankcase.-------The pulse limiter is also NOT a check valve.-----It has nothing to do with amount of oil pumped either.
  10. R

    Hydrofoil or Trim Tabs??

    Working on an ---Action Marine 17 --Look for them on U-tube.---When spring comes again.----All wood taken out of transom and floor , and replaced with composite material.-----With 150 HP at the propshaft it will be very quick I expect.
  11. R

    Hydrofoil or Trim Tabs??

    Fact------A test I did myself.----Same 16' ski boat , same afternoon ,same tilt pin hole , same driver, same sst style props.----A 1970 model 115 Evinrude no power trim. -------19" pitch , great acceleration , maximum RPM 5800 , boat speed 54 mph.-----Then a 21" pitch , good acceleration, max...
  12. R

    Losing a cylinder intermittently ‘86 50hp

    Some will argue but , ----The trouble shooting always starts with a compression test.--Post your numbers.----Then see if spark will jump a gap of 3/8" ( 1 cm ) on a testing device.-----And the reason for the compression test is to establish motor condition.----No point in adjusting / tuning a...
  13. R

    Engine options

    I agree 4 strokes are very fuel efficient.----But if you need to go to a dealer for maintenance / service then you spend all the fuel savings in one pop.-----Buddy of mine ( marina owner ) said he loved the 4 strokes.----About 25 years ago it was near $300 for the oil change / filters /...
  14. R

    Foot oil leaking

    Well # 17 is the o-ring. and 27 is the propshaft seal.-----Pressure test the gearcase to find leaks.
  15. R

    Foot oil leaking

    These units are expensive.-----Working on a 150 FHL case ( $25 invested initially ) for myself.------$6675 to buy it new.----Working on another one , regular 150 / 175 HP that stripped the gears as well.----These units are not as good as previous V-6 cases, in my opinion.
  16. R

    1993 Evinrude Intruder 175 Rattle

    I do not believe those gearcases with the 2 screws / tabs are as durable as earlier designs.-----Agreed , check the gear oil first.-----If oil is good then remove the cylinder head.
  17. R

    Engine options

    Fuel consumption on a 2 stroke can be confusing.----The little bit of testing I did suggested 3500 / 3600 RPM was most economical on the boat I had.----Light weight 16' fiberglass ski boat with 100 HP V-4.
  18. R

    Johnson 175 bad compression

    What did you find ?----Pictures.
  19. R

    Foot oil leaking

    I doubt that 305123 is leaking.------Pressure test the gearcase to find leaks if there are any.----Very important to maintain the lower unit as parts / service are expensive !!
  20. R

    1990 Mercury 40 hp, four cylinder_piston replacement question

    Yes,-----I think that has been done more than once before.
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