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  1. 3

    Water in my oil

    I have a 2012 Mercury 115 4-stroke. It is kinda new to me. I ran it a few times over the summer and went to change to oil (ran on muffs to warm up before draining oil) a few weeks back and there was a little water in the oil. I replaced the oil and let it set for a few days. Ran on muffs for...
  2. 3

    Thermostat closing position

    Good morning. I have a 2012 Mercury 115 efi. I changed the oil the other day and noticed some water in the oil. Not a whole lot, but enough for concern. From my reading, the thermostat could be the culprit if it’s not closing completely. I installed a new thermostat last year when the boat...
  3. 3

    Prop selection help

    I have a new to me 2012 Lowe ss230 pontoon with a 2012 Mercury 115 four stroke on it. I am new to the world of prop selection. Now that I have done some trial and error, maybe you all can help me dial this in. The engine is rated for wot rpm at 5800-6200. The following tests were done with...
  4. 3

    Beauty mark or compromised log?

    Scraped up my log yesterday. Now that I am done crying, I would like some opinions on whether the scrapes are deep enough to warrant a repair or just call them beauty marks and get back to fishing. Thoughts?
  5. 3

    Dust in intake

    I have a 2012 Mercury 115 efi that I bought used. The motor idles rough. As I am becoming more familiar with the motor, I noticed it has a dust oil build up inside the intake. The motor came from west Texas. I wiped out the throttle body and cleaned the IAC valve. I also wiped the MAP...
  6. 3

    Dirty motor

    I just bought a 2012 Mercury 115 Efi (on a pontoon) from west Texas. It runs great, but idles rough. The more familiar I get with the motor, the more I see dust mixed with oil inside the intake. I carefully wiped out the throttle body, and cleaned the IAC valve (which seemed to improve the...
  7. 3

    Annode location

    Hello all, I have a 22’ Lowe pontoon and I was pondering putting an Annode or two on the toons. I am wondering where to put them. I have lifting strakes on the inside of each toon and was thinking of attaching them to it. (Inside of strake ? Outside of strake?) My thoughts being that...
  8. 3

    Pontoon trailer setup

    My new to me pontoon trailer seems to not be set up right. I need some help figuring out what is off. With the trailer level, the equalizer is slanted forward about 15-25 degrees and the front axle tires appear to be bearing more weight than the rears based on the visual that the tires with...
  9. 3

    White Smoke😑

    I have a 1985 Suzuki dt65. It is barely running. It starts with the throttle lever up and then will idle very rough and smoke (blue smoke). But when I put it into gear or accelerate, it will die and produce lots of white smoke. Then it won’t start again for the rest of the day. I looked at the...
  10. 3

    Dt65 oil injection

    I have a 1985 Suzuki dt65. The oil injection does not work properly. The oil only pumps to the impulse ports/check valves on the crank case, but not past. Today, I removed the hoses from where the connect to the intake and filled them with oil. The top cylinder hose held oil, but the #2 just...
  11. 3

    Suzuki dt65 oil injection

    Hello, I have a 1985 Suzuki dt65. The oil injection does not work properly. The oil only pumps to the impulse ports/check valves on the crank case, but not past. Today, I removed the hoses from where the connect to the intake and filled them with oil. The top cylinder hose held oil, but the...
  12. 3

    Transom height advice

    Hello, I am restoring a Lowe 1448 Jon that I will be putting a 15 hp mercury on. The anti ventilation plate is about -1 1/2” below the bottom of the boat. Based on what I have read in other posts, I feel like I need to raise where the motor sits. I have read that the anti vent plate needs to...
  13. 3

    Oil injection ports dt65

    Hello all. I have a 1985 dt65. I am trying to get my oil injections system up to snuff. I just can’t seem to get oil to the connection ports consistently. Each line seems to get oil at a different rate. The pump appears to be pumping and it does not appear worn on any of its internal parts...
  14. 3

    Idle timing process

    Hello all. I have a 2001 Mercury 15M. The motor is new to me and so is the process of adjusting the timing. It runs alright, but I’m trying to get it dialed in well. I have a Clymer manual that provides pretty straightforward instructions on the subject, however I am struggling with step 1🤪...
  15. 3

    Suzuki dt65 parts or project?

    I have a 1987 Suzuki dt65 that I purchased as a parts motor. I bought it from a guy who said the head was seized. Turned out to be just a rusted drive shaft bearing in the lower unit. So the power head turns smooth, no scoring on cylinders. I was hoping that the motor was restorable...
  16. 3

    New aluminum prop rubs slightly

    I have a 1985 Suzuki dt65. I bought it used with a stainless steel prop on it that seemed to fit just fine. I have since bought an aluminum prop to replace it. The new prop spins fine until I torque it down to the specified 40 ft/lbs, then it rubs just ever so slightly slightly on the gear...
  17. 3

    Driveshaft bearing race

    I have a 1987 Suzuki dt65 that I have no idea what the history is. I have been taking apart the lower unit to see if it is worth salvaging. All the components I have pulled so far seem to be in good shape. However, the driveshaft bearing pretty much fell apart when I pulled the driveshaft...
  18. 3

    Prop shaft help

    I have a 1985 Suzuki dt65. I bought a new aluminum prop to replace the stainless prop it came with. When I torqued the alum prop down (40lbs) it would rub against the bearing carrier housing, the stainless one didn’t. After looking at the parts diagram it appears to be missing the washer that...
  19. 3

    Suzuki dt65 years of parts compatibility

    I have a 1985 Suzuki dt65. Suzuki’s are fairly rare in my area. There is a 2002 dt65 with a seized head for sale nearby that cosmetically looks to be in very good shape. And frankly (from pictures) looks very similar. would the 2002 model have very many parts compatible with my 1985 model?
  20. 3

    Oil injection ports dt65

    Can the oil injection ports on a 1985 Suzuki dt65 be cleaned or replaced? Motor is new to me and I don’t know it’s history, but was not running when I took ownership. I don’t think oil is getting to the crankcase. When I blew compressed air through the port on the #2 crankcase fitting, I...
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