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Recent content by jon

  1. J

    Can someone help an idiot with a 1960 Johnson 40

    " Here's your laugh for th " Here's your laugh for the day. I removed the lower unit screw that goes through the housing and connects to a shifting component! Now I need to remove the lower unit to either try to fix it, or take it to someone who can. I am totally new at this, but USUALLY not...
  2. J

    1997 115HP Johnson Faststrike Piston Failure

    " Hi, The skirting/bottom side " Hi, The skirting/bottom side of 1 my pistons broke off & locked up the motor. It also craked the exhaust port on that Cylinder. I plan on having that Clyinder resleeved and put in a new piston, connecting rod & bearings. When the motor locked up no other damange...
  3. J

    1990 250 HP yamaha 76 degree engine oil tank level falling

    " On my friends 1990 250 HP ya " On my friends 1990 250 HP yamaha, 76 degree V6, the engine oil tank level periodically falls below about 1/2 and then the low oil buzzer comes on, limiting RPM to 2000. Sometimes it refills and sometimes it won't (we fill it up manually in this case). Using...
  4. J

    350 HP volvo fuel pump whining

    " Wish I had every spec on thi " Wish I had every spec on this engine for you (a friends setup), it's about a 2001 vintage, with the volvo penta duo prop setup. The fuel pump is making a little noise. No performance issues have been noted, it's just best describe as a whine of some nature...
  5. J

    86 merc 115 piston or ring failure what caused this

    "This engine was rebuild last "This engine was rebuild last season do to a bad crank, it rotted out and the splines stripped. A locating pin on piston #4 was found to be missing at that time, bearings were replaced as well. Engine had 125-130 compression after the rebuild. In spring...
  6. J

    Merc 115 RPM drop and question on voltage

    " Randomly, a couple times a s " Randomly, a couple times a season, my merc 115 will suddenly drop RPM as if I throttled it down - no missfire, no stalling. I thought I fixed it a while back when I replaced an intermittant mercury switch that finally went & killed the engine. Yesterday...
  7. J

    86 110 v4 johnson not sparking on the right side after putting new pack on

    I was boating last week and r I was boating last week and running about 4 miles from the boat ramp and engine was great then It slowed down to a crawl. I basically putted back to the boat ramp and put it on the trailer. Compression was 110 in all and ther was spark on the left two cylinders...
  8. J

    Spark plug amp carb diagnosis 115 merc L6

    " I winterized the engine w/ f " I winterized the engine w/ fogger, spray oil, fuel stabilizer (which I run year-round anyway) last November. On Saturday, I took it down to the lake. It started right up & ran perfectly for a 30 minute test cruise, I took it through all RPM ranges & to WOT, no...
  9. J

    Spark plug gap 2001 25 HP Johnson

    " The plugs are QL77JC4, just " The plugs are QL77JC4, just wondering what the gap should be - thanks, Jon "
  10. J

    Outboard controls question

    " The controls on my merc 115 " The controls on my merc 115 have been driving me nuts for years now. The first problem I ran into was extra stress in the cables, making it hard to use the throttle. I replaced them & it helped. Due to what I think is partly still stress in the cables, what...
  11. J

    Typical compression on a new 25 HP Johnson

    " Was wondering what anyones s " Was wondering what anyones seen on new (never used) 25 HP's for compression. Mines a 2001 and has about 8 hours on it now, still on break in mix. Before winterizing it, I checked the compression - 100 even on each. I know for something with some hours, this is...
  12. J

    77 Evinrude 85 HP need a hand w ignition problems

    " Hi, This engine has a mo " Hi, This engine has a model # of 85790S and a serial # J001073. I got it in an unkown state and found that it had compression, but was lacking spark on two cylinders, here's how it went. First, I verified that there was still no spark on the port side...
  13. J

    77 Evinrude 85 HP need a hand w ignition problems

    " Hi, This engine has a " Hi, This engine has a model # of 85790S and a serial # J001073. I got it in an unkown state and found that it had compression, but was lacking spark on two cylinders, today I got into it and here's how it went. First, I verified that there was...
  14. J

    marine vs automotive solenoid

    " My starter solenoid crapped " My starter solenoid crapped out on saturday night, as I was flushing the engine. Was heading out again Sunday morning and in a pinch, retro-fitted an automotive starter solenoid in it's place. Later looking at a couple manuals (totally different engines) I found...
  15. J

    Operating range of 25 HP Johnson 4500 5500 current prop 13 pitch w 3800 which pitch

    " Hi, 2001 Johnson 25 HP " Hi, 2001 Johnson 25 HP is being used as a kicker on a 21 ft boat; it's main purpose is auxillary power, although it will be used for trolling. It's setup w/ remote controls and steering, but It's mounted off center and doesn't plane the boat. Currently at...
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