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  1. randyray41

    Idle but no power

    Took boat out for second time since I purchased. 1st time out had to pump bulb to get it to run. So I replaced entire fuel line from tank to motor. 1978 70 hp evinrude. I also changed props. From 17" to a 19". Same dia. I also changed plugs. Took it out today. Cranked as it should idled...
  2. randyray41

    Quality 2 stroke oil?

    I saw a post earlier and someone stated "use good quality oil". What is considered good quality? Any thoughts on what the best quality 2 stroke oil is? I use pennzoil and haven't had any issues that im aware of. It runs a little cheaper than the mercury brand.
  3. randyray41

    Shifter modification

    On my new boat, the shifter sits way high out of boat and it bothers the crap out of me!! Any one ever do so type of modification to a shifter or is there some after marker shifter that is shorter? Boat has a hot foot and only use is to shift in forward or reverse.
  4. randyray41

    extending life of outboard

    Any tips, techniques, recommendations for extending the life of an older outboard?
  5. randyray41

    Trim tabs

    How do I adjust the trim tabs?
  6. randyray41

    evinrude tach hook up

    I have a 1978 evinrude 70873c 70 hp. There appears to be no place on shifter to connect tach. There is a tach on the boat of Yamaha brand. Will this tach work on a evinrude? If so, is there a wiring diagram available so I can connect it?
  7. randyray41

    prop pitch info

    I have a 13' Rapid craft with a 1978 Evinrude 70 HP. My tach doesn't work and looking for some information on a new prop. I'm thinking 17" pitch? Any thoughts from the experts? Evinrude model # 70873C. Is it a small or large gearcase?
  8. randyray41

    small or large gear case?

    I have an Evinrude 70 hp Model # 70873C. I believe its a 1978 model. I'm trying to purchase a new prop for it. How do I tell if it's a small or large gearcase?
  9. randyray41

    1986 150 hp Evinrude minimal compression. need assistance.

    I have a Evinrude 1986 150 hp motor. It ran hot the other day on water. I guess overheat alarm wasn't functioning. But only on the starboard cylinder bank. Compression on port side is 90 all three cylinders. Starboard side has 20, all three cylinders. What confuses me is the loss of...
  10. randyray41

    1979 4 HP Chrysler help needed

    I have a 1979 4 hp chrysler, model # 42H9F Serial # 4798. I need either the complete carb or the jet assembly-bowl retainer. The part has been discontinued. Is there another option to use? Would anyone know of a good source to get the part? Randy
  11. randyray41

    Do I need a thermostat?

    I have a 1986 150 Evinrude . I am afraid of the thermostats sticking and causing overheating. There is no alarm should the motor overheat. Can I remove the thermostats? If I leave them out, will the motor run properly? I live in Alabama and do not run boat in the winter.
  12. randyray41

    1986 Evinrude 150 hp skipping

    Had boat out yesterday, was running fine until it developed a skip. I checked plugs and found that the #1 cylinder plus was shiny clean. The other plugs were the usual brownish black color. The plugs were brand new. I changed the clean plug and tried it again. Once again, after a few...
  13. randyray41

    primer bulb sucked flat

    1986 evinrude 150 vro. Out last weekend and boat was running fine, then bogged down. I noticed the primer bulb was sucked flat. Any ideas on what the problem is?
  14. randyray41

    150 hp evinrude

    I have a 1986 Evinrude 150 hp. Had boat out this weekend and all was running well. Then all of a sudden it quit, lost power. Would idle but when i gassed it it would die out. I checked to determine that the primer bulb was flattened out. I am thinking that the fuel filter may be stopped...
  15. randyray41

    2006 Mercury 200xs octane requirement

    What is the correct octane requirement for a 2006 Mercury 200hp XS?
  16. randyray41

    5700 RPM now running 4900 RPM WOT

    I have a 1987 Yamaha 175 hp outboard mated to a 1991 Gambler 21 ft. bass boat. I recently bought this rig and it was running around 5700 rpm's but with a skip in the motor. Yesterday, I replaced the fuel line and the skip went away but the RPM's now will not rev higher than 4900 which has...
  17. randyray41

    Yamaha 175 hp Plug gap

    What is the correct plug gap for a 1987 yamaha 175 hp with NGK BR8HS-10? Thanks
  18. randyray41

    1987 Yamaha 175

    Does the 87 Yamaha require "premium fuel" ? I am running 87 octane and once the rpms reach about 4-4500 I develop a skip. Knock sensor? Does the 87 have one? Have good compression all 6 cylinders, new plugs. Thanks for any suggestions or advice
  19. randyray41

    need help identifying motor

    I recently purchased an Yamaha 175 hp motor. I was told it's a 1987 model. The model and serial number are missing from side of motor. Is the serial number located on the motor in another place? How can I be for sure this is a 1987 model? The plugs, NGK BR8hs-10, are in the motor now and...
  20. randyray41

    how do I increase RPM

    How do I increase RPM's on a 1986 Evinrude 150 hp motor? I want to increase the idle when its sitting in the water.
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