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  1. J

    89 yamaha v4 115

    Any one have any idea what type of metal yamaha uses for head bolts . Its shinny with a 8 on top . I think its just zinc plated . Dont believe stainless grades bolt like that and chrome likes to flake . Any help would be good . I would use oem but its at least 3 weeks out to maybe get them .
  2. J

    89 yamaha 4v 115 pee hole blockage

    i went to fire. the motor up the other day and had no water flow . After i took off the water outlet tube and the plastic piece on the bottom cowling i saw a yellow blockage the was about 2 to 3 inches long . Had a oily waxy type feel . Cleaned it all out and it worked fine . Went to fire it up...
  3. J

    81 honda b100l number 1 cylinder

    So this is probly a dumb question and I just cant find the info in the service manual. On a 81 Honda b100l , which cylinder is number 1 . the top or bottom . trying to set the idle rpm . thanks in advance
  4. J

    81 honda b100 question

    I am asking this cause i cannot find an answer . On a 81 honda b100l , What is the purpose of the throttle nozzle on the thermostat inlet tube?
  5. J

    honda bf100 bolt type

    Been posting a lot cause this site is very helpful. Last question, on honda bf100 yr. 81 , what is the the head bolt made of or what would be a good replacement . I would like to replace them all but not sure what to go with . Thank you
  6. J

    81 honda bf100b torque question

    I have a 81 honda bf100b and I was replacing a bunch of parts and new gaskets , long story short is I have the service manual but it is very limited on torque specs. Is there a rule of thumb with these motors for the 6mm , 8mm varies length bolts for torque . Like I said the manual is very vague...
  7. J

    crankshaft sealant question

    I have a older honda b100l that I replaced some gaskets on and I'm trying to find out what honda recommend for the crankshaft cover . There is no gasket , suppose to use sealant . Any help would be great . Thanks
  8. J

    should I rebuild or scrap

    I own a Honda b100l . I know it's a older motor but I got it next to free. Long story short I dismantled to see condition and noticed this about the block . The chip goes all the way to the wall . Is it safe to put a new head gasket or is that to narrow to trust . Please see pic
  9. J

    1989 yamaha 115 etxf wiring to 703 remote diagram

    does anyone have the wiring diagrams for a yamaha 115 etxf to a 703 remote . i installed the pro series digital multi funtion tach and need to get the oil alarm , trim , and overheat working I do see one harness in the motor not hooked up along with a couple individual wires . any diagrams would...
  10. J

    89 mercury 25 hp tach question

    I know this gets asked alot but I cannot find my answer . I do not have a alternator nor electric start . Where do I hook up the tach sender wire ? My serial number is od208113 . Any help would be great
  11. J

    89 mercury 25 hp leaking oil question

    I went salmon fishing the other day on the columbia river for 7 hrs. and I have to maintain above idle speed trolling to keep up with the river . The question is , When we were finished for the day and got back to the shor I tilted the motor up and oil came out of i believe the carburator area...
  12. J

    mercury 25hp light knock when under a load

    so my qestion is what would cause a knock when under a load ( does not happen in idle ) . It is a light knock or tap that sounds like it is just below the the cowling area . Does not do all the time . Mainly just at trolling or very low speeds . Sound seems to go away if I turn the motor . I...
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