Recent content by Jho928

  1. J

    2.6 xp Overheat at idle and wont rev up

    Hi I have a 2.6 xp (basically a hopped up 235 crossflow) 1984 After idling in gear for a while the overheat horn sounds if I jump on it and get on plane after a minute or so It goes off. I have 2 new thermos installed (143 deg) and a new impeller. At idle a have little water pressure > 3psi at...
  2. J

    Gercase Swaping Internals

    Hi, Can someone tell me if I can install the internals from a 1988 50hp Gearcase in a late 70s gearcase? The cases look identical with the exception of the rectangular zinc anode above the trim tab on the 1988 the late 70s model does not have this rectangular zinc. Any help is appreciated. I...
  3. J

    Evinrude 2.6xp Gets Stuck Trim Down

    Hi, I have a Evinrude 2.6xp 1984 .The motor gets stuck in the trimmed down position.It only gets stuck when I tuck the motor all the way in(down). If I stop trimming just short of all the way in I'm ok .I did some troubleshooting while on the trailer .I found that when its stuck down(in)if I...
  4. J

    Airguide Tach on CD Ignition ?

    Hi,I have a 85ish 25xd I wish to install a tach on. I have a airguide tach that is for magneto or Alternator/CD igntions there is 2 wires a black and yellow coming out of unit as well as 4 jumper terminals . Instruction tag on back reads... For 2 cyl mag= no connection Alt systems= jump 1 and 2...
  5. J

    Merc 25xd boggs out

    Hi All,I have a Merc 25xd ('85ish).I had a problem with the carb float (full of gas ) Got me stuck (flooding engine) so I put a new one in.Now there is no full throttle power and engine boggs out and dies.Through info on these forums and trial and error I discovered that when it boggs out if I...
  6. J

    '57 BT 35hp Idle problems

    Hi,I got this baby to run today but it will not idle properly.It will start with the low speed jet adj to 1 1/2 turns out but to start and keep it running I need to give it throttle to the point of were the cam just starts to move the throttle plate.Now a little history...coils,cond,points all...
  7. J

    1957 35 Hp Ring Gap

    Hi,I have just honed the cylinders on a 1957 35 HP Big Twin and I am left with a problem.My ring gap is .023" which is about .006" over spec(.007"-.017").What to do?Here are my options as I see them,I would appreciate any comments on one or all of them.<br />1.Over Bore and purchase .020 over...
  8. J

    '57 Big Twin 35hp Water Pump

    I have a question concerning Re-assebly of waterpump.Should a sealer (Perfect Seal or Gasket Sealer(Cement)) be used under the bottom plate to lower unit and on the housing surfaces ?There is no gaskets here and my manual does not mention using any sealer at all for this model(25930)<br />Thanks Jim
  9. J

    1950's Evinrude Paint

    Hi,I am repainting a 1957 BT 35 HP.I have chose to use a Duplicolor Ford 257 Medium Blue.It is in my estimation a close match to the Poly-Chromatic Blue,but at $5.00 a can rather than 13.99 + S&H a can.My question is is it ok to use this paint on the power head itself? Will it hold up to the...
  10. J

    Cylinder Wear

    Hi ,I have a Evinrude 25930 35 hp '57.My question is...How much cylinder wear is acceptable? .My manual states bore spec as 3.0625".Now is there a +/- tolerance here .I measured a couple spots and got 3.0615" +/-.I guess to put it simply at what point do you rebore? Say .005" over spec or is...
  11. J

    Piston Scoring

    What is the determining factor for piston replacement.I have a spare block 4 pistons and crank for a 35 hp BT that i wish to assemble.All of the pistons exibit some scoring (some worse than others )I guess my question is How much is too much? Also this is a 57 BT 35 hp Mod#25930 and new pistons...
  12. J

    '56 & '57 Evinrude Big Twins

    Hi,Can anyone tell me if a Power-Head from a '57 BT 35 Hp will bolt onto a '56 BT Lark 30 Hp complete lower?Thanks Jim
See more
Top