Search results

  1. M

    '91 yamaha 115 wiring???

    just mounted ny 115 and i cant figure out the dang wiring. where do the power and grounds from the battery hook up? i also have a fused red wire that i cant seem to find the non fused end to. there is also three small wire comming from the t/t motor that have no connection. can someone point...
  2. M

    91 yamaha 115 powerhead wont come off

    trying to remove a friends power head from a '91 115 yamaha and need some help. is there a super secret bolt in the front side of the power head that i am missing. do i need to disco the shift linkage. the head just wont come off. i am removing it to replace the steering arm, or possibly...
  3. M

    '81 evinrude 70hp gear interchangability

    i have an '81 evinrude 70 and the gears in the foot are blown up. i also have a '79 evinrude 115, with a good foot, but a blown up powerhead. the prop splines are the same between the two, but does anyone know if the gear sets are interchangeable?? i sure would like to hear a yes, the new...
  4. M

    115 yamaha re-power

    i am re-powering my boat w/a 91 yamaha 115. it currently has an evinrude 70 on it. i have 2 problems. i want a control box that works like my evinrude 2 lever. one lever for throttle when in neutral, and one for throttle/gear selection. can some one recomend a control box. what prop...
  5. M

    trs trans cooler

    have a trs w/a351 in a '78 wellcraft nova. got the boat from a freind for free as a basket case (i seem to be the king of free). there is a cooler on the side of the trans and seems to be some sort of raw water cooler. i cant figure out where to get the water from, and where to get it back...
  6. M

    3 cyl and 4 cyl power t&t

    i have a 79 115 that i just found out the power head is junk. i cant find a good used one and dont have the money for a rebuilt one. my 81 70 has manual t&t, and i would like to convert to power t&t from the 115. does anyone know if it is possible, or is there a web site that may explain?
  7. M

    115 powerhead seperation

    i cant seem to get the powerhead off the midsection of my 115. i think i have all the bolts and nuts out. i count a total of 12 nuts and bolts that i have removed. i can get the powerhead to start to seperate, but at the back of the block, where the t-stat housing is, it wont seperate. i can...
  8. M

    115 powerhead, where have they all gone?!?!?!

    i have been looking for a month now for a used powerhead for a '79 115 johnson, and have turned up no results. countless e-mails and dozens of phonecalls and nobody can seem to point me in the right direction. CAN SOMEONE PLEASE HELP! i am ready to junk my 115 because i cant find anyone with...
  9. M

    need a new block

    have a '79 115 and need either a used powerhead or a used block.
  10. M

    '79 115 runs rough

    just got my 115 running after sitting for quite some time. its running like crap though. what i dont understand is why. the three things an engine needs to run is air, fuel and spark. well, i have all three. i can pull number 3 spark plug off with no change, any other plug and it dies. i...
  11. M

    carb sync on 3cyl and v4

    i have 2 79 OMC out boards. one a johnson 115 and one a evinrude 70. ever since i have had both of these engines, they both load up at idle. the 3cyl does it on the bottom cyl. i have been trying to find some info on how to synch the carbs, but have yet to find squat. can someone help?
  12. M

    '79 115 blowing power packs

    have a '79 115, have yet to make it run. the previous owner siad that it fryed a power pack, then promptly fried the other one before it ever hit the water. i havent et replace the power pack, or even run the engine. what would cause a power pack to go bad like this, and whar should i check...
  13. M

    '79 115 knocking?!?!

    115, came with boat (as in, threw it in the back of the truck on the way home from purchase) not running. it spins over freely, and has even compression, (131,131,127,129). when turning it over with the lower unit off for water pump replacement, i hear a knocking, and am not sure if it is...
  14. M

    prop selection delima

    i am about to put a '79 evinrude 115 on the back of my boat. its a 17'8" bow rider, built in 1970 (http://forums.iboats.com/bbBoard.cgi?a=viewthread;fid=1;gtid=1218777). the motor was not running and came w/no prop. i have been told to start with a 19 pitch prop, but don't know which diameter...
  15. M

    wat is my boat

    i have a 1970 17'8" boat, according to the title, but it dosent list a mnaufacturer. can anyone help me, i'll try to post pics, but i dont know if it's going to work
  16. M

    tach question

    i have a '79 70hp 3cyl on the back of a 17'8" for the time being (i still need to get the 115 running). the motor came off my rotted 15ft tri hull. I know its not turning enough rpm, but i have no idea of where it's even at rpm wise. i was going to hook up a spare autometer tach that i have...
  17. M

    tilt/trim switches

    i have a '79 115 with electric t&t. the harness was cut so i am using the controls from my '79 70. all the electrical seems to be the same from the motor to the contols, but the 70 dosent have t&t. i want to put the t&t controls on the throttle handle. can anyone recomend where to get such a...
  18. M

    yet another year question!!!!!

    i know this is some wha of a revolving door question, but i have searched everywhere to find parts for my motor and cant seem to find the right ones. my engine id plae has the model no. 115799s and the serial no. j0003612. that is exactly as it appears on the i.d. plate. there are no errors...
Top