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Recent content by kentrx1

  1. K

    Carburetor adjustment question

    1987 Yamaha 70 hp. Never could get carbs that were with engine when I got it to run well at mid throttle. Put on a set from a 1989 70 hp Yamaha. Runs really well at mid and open throttle now. Trying to adjust idle mixture screws and set at 1 5/8 as manual for 1987 says. Can tell any...
  2. K

    Carburetor swap question

    I have a 1987 etlh 70 hp Yamaha that I got used and had sat for a long time. I have disassembled carbs, cleaned, ultrasonic cleaned, recleaned and still can not get mid level acceleration smooth. Cranks good, idles good, runs 3/4 throttle up good. Have a set of 1989 Yamaha carbs off 70 hp...
  3. K

    Precision blend adjustment

    i am looking at the same manual with same picture. i just do not see the marks the manual references. i will post another picture with it in default position. the default without rod on it actually is in wide open position which i would assume is a safety feature if rod came disconnected.
  4. K

    Precision blend adjustment

  5. K

    Precision blend adjustment

    1987 etlh 70 hp Yamaha. Trying to adjust oil blend lever. Manual says to line up punch mark on pump lever with line on pump body. I can not locate a punch mark. Has anyone tried doing this?
  6. K

    Rough mid throttle

    Have 1987 70 hp 2 stroke Yamaha etlh. Have been trouble shooting for 2 seasons. Problem is with rough mid range acceleration. Idles fine. From 80 percent to wide open throttle fine. In between throttle response sluggish and seems to vibrate. So far I have cleaned and rebuilt carbs(cleaned...
  7. K

    70 hp Yamaha 1987 not charging

    My engine quit charging this past weekend. My depth finder shows batter charging and suddenly it was not showing water depth and voltage dropped down to battery voltage (12.6) instead of the 16 plus volts it usually shows. After tracing wiring I discovered battery terminal bolt from battery was...
  8. K

    1987 70 hp etlh acceleration rough

    I have a 1987 2 stroke 70 hp Yamaha outboard that sat several years before I got it. Compression 130,130, 125. I cleaned carbs well getting all jets open. Put new fuel pump and fuel lines on. Replaced water pump. It cranks and idles great. It runs very smooth from 2/3 idle up, and if...
  9. K

    help please on 1987 johnson 90 hp

    I have acquired an old pontoon project and need some help please. the engine is a 1987 johnson 90 hp that was rebuilt about 5 years ago according to some bills that came with the boat. the quality of the rebuild/rebuilder is unknown. what i do know is i purchased it very inexpensively as the...
  10. K

    2004 bombardier remote control question

    have a new to me 2004 carolina skiff with a 50 hp 4 stroke johnson. this past weekend the remote control "froze" in the forward position-----after applying quite a bit of pressure, it broke loose and worked fine in forward. it then would not go all the way in reverse until i worked it quite a...
  11. K

    2005 johnson 50 hp 4 stroke question

    i bought a 16 foot center console with a 2005 johnson 4 stroke engine on it late last fall----looks like a new boat and engine physically looks perfect. when i bought it weather was already too cold to take it out on the lake, but i hooked it to muffs and cranked and ran fine. i hooked it up...
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