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Recent content by William01

  1. W

    BF100A over heat alarm issue

    What if your water pump isn’t 100%, say the base plate or the cup is slightly warped or out of round? At idle you don’t have enough revs. to push enough water thru the water pump due to a weakness somewhere in the pump assembly. At higher revs. the volume is enough to overcome any issues with...
  2. W

    Suzuki DF50 Rpm Issues

    From a DF90A Service Manual, depending on your year yours might be similar.
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    DT4 tell tale inconsistent

    With the engine running at idle try shoving some weed wacker line up into the telltale discharge. Maybe some debris clogging the discharge? If that doesn’t help… I’d suggest you replace the entire water pump with an OEM kit. You don’t give a year but a water pump kit for an 1989 engine is $20...
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    DF150 with C-10 gauges. Both gauges read the same motor?

    https://www.suzukioutboardforum.com/forum/general-discussion/suzuki-outboard-parts-forum/4380-forum-resource-suzuki-nmea2000-networks Maybe something in the above link will help. Unfortunately the site isn’t maintained so many of the experts have left. If you can’t find the answers you’re...
  5. W

    BF 9.9 Dies soon after starting

    From my 2014 Service manual
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    DT75 powerhead compatibility

    Forgot to mention, Suzuki doesn’t offer much for 2 cycle parts in North America, yet they still manufacture and sell 2 cycle engines overseas so you might have to expand your search overseas.
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    DT75 powerhead compatibility

    Your part number doesn’t find a match on boats.net website. Go to boats.net website, find your part/parts, select the part and scroll down to the “diagrams” section. There you will find a list of Suzuki engines that use the same part. Handy feature when looking for old compatible parts.
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    BF 9.9 Dies soon after starting

    See Post #2. Bad/old fuel? Water in the fuel? I know with my ATV (Honda) old fuel will act like you’re describing. Starts and idles good, put it into gear and try moving it falls flat on its face. I don’t think the tiller model has an overheating alarm, only low oil pressure. To confirm...
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    BF 9.9 Dies soon after starting

    https://www.selffixer.com/outboard.motors/honda/ Perhaps you can find a service manual from the above link. Even if you can’t find your exact year it will give you some troubleshooting ideas for various scenarios. Your description “There is no alarm, it just looses power and rpm for about 10...
  10. W

    BF 9.9 Dies soon after starting

    When was the last time your water pump was serviced?
  11. W

    BF 50 runs very uneven

    https://www.selffixer.com/outboard.motors/honda/Honda.BF40A.BF50A.Outboards.htm Maybe this will work for you?
  12. W

    BF 50 runs very uneven

    How old is the fuel? Your symptoms doesn’t sound like stale fuel but it’s always a possibility? Spare parts. Complete water pump kit, oil and filter, fuel filter, spark plugs, extra fuel/water filter, Seafoam or equivalent fuel stabilizer Service Manual(genuine Honda) Suggestion. Label and...
  13. W

    2003 yamaha 90 4 stroke hesitation at mid throttle

    Spark plugs?
  14. W

    Longer DF90A battery cables

    Screenshot taken from a 2009 DF90A Setup Manual. See the third note
  15. W

    Water pump problems

    If you have to disassemble again, put a drill on the drive shaft (after protecting the splines) and check that the impeller is pumping water. Running water backwards thru the water pump doesn’t check if the impeller is actually pumping.
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