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  1. J

    Loud warning tone when at idle speed

    If it alarms only after a few minutes of idling then I would suspect a worn water pump impeller that just doesn't move enough water at low speed.
  2. J

    Suzuki 2007 DF115 Cranks But Won't Fire

    Finally got engine serviced by a Suzuki dealer. The high pressure fuel pump was bad plus the mechanic said the entire fuel system (hoses, low pressure fuel pump, bulb) were deterioated and needed replacement. I have always used 100% gas and treated gas with Stabil before storing boat outside...
  3. J

    Suzuki 2007 DF115 Cranks But Won't Fire

    Engine has about 160 hours on it. Used only in the summer. It has fired right up every summer after being covered outside all winter in Tennessee, until this summer. Charged battery, verified fuel in filter bowl, 5 gallons of gas in tank (treated with Staybil last November), new plugs in 2020...
  4. J

    Bow Nav Lights Keep Blowing

    The port and starboard nav lights on my pontoon boat keep blowing after a couple of outings, usually one or the other, not both. I have replaced the starboard bulb 3 times and the port 2 times. The bulbs are the standard 8 watt (CP10) I think. Any suggestions? John
  5. J

    Suziki DF115 Oil Filter?

    My new engine now has 20 hrs and is due for an oil and filter change. What is the oil filter part number, and is there a suitable replacement in the automotive or motorcylce oil filters at the local auto parts store? John
  6. J

    New Suzuki DF115 - Throttle Sensitivity

    We just took delivery of a pontoon boat with the DF115 engine last week. After a couple of uses I have two questions: 1. The throttle ramps up very quickly with initial movement of the throttle lever -- it is difficult to select an engine speed between 750 rpm and 2000 rpm. Is this typical...
  7. J

    Suzuki 90 or 115 Best for Pontoon Boat?

    We are getting a 22 ft pontoon boat (2 toons) and have ordered a Suzuki 115 four stroke for it. But in looking at the engine specs I see that both the 90 and 115 have the same engine displacement. The 115 has a higher hp rating due to its higher maximum rpm range. Most of our pontoon boat use...
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