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  1. S

    Tachometer on new engine seems wrong.

    I went from a yamaha 2002 90 tlr to a yamaha 1999 b115tlr I never had any issues with the tach before. On this new engine thought my tachometer goes off the chart at higher speeds. I found that you can calibrate it but I seem to be already as high as the tach can go, 6P. All other settings...
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    Overheat alarm with cold water coming out of engine

    1999 yamaha 115 inshore with a bobs machine stabilizer plate. I had an overhear alarm yesterday go off so I shut it down immediately and waited a while. I am pretty sure I’m under propped because at half throttle the tachometer says 6000. So I back off to 5500 max. Still trying to get a...
  3. S

    Mystery lower unit

  4. S

    Mystery lower unit

    I bought a 1999 2 stroke yamaha 115. It has a low water pickup on the lower unit. Bobs machine says it’s not their nose cone and it’s a stock part, but I’ve never seen another lower unit look like this. I can’t get the photo to upload, but basically the water intake isn’t on the side up...
  5. S

    Salt Water destroyed my engine. Quuestions.

    So my Yamaha 2002 90TLR is basically worthless now I think. I had low compression, took the head off and cylinders 2 and 3 have damage to the sleeves. The water passages on the side of those cylinders are completely blocked up with salt deposits. I do flushes after but I don't know how much...
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    Question about Yamaha Fuel Pump

    My boat uses this fuel pump. I have a question about it. https://www.crowleymarine.com/parts/442207.cfm For testing, with it not bolted to the engine with the gasket, I squeezed the fuel line bulb and the fuel pump leaks. The leak seems to start in the area of where the bolts are supposed...
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    Motors runs for a second and won't keep going.

    I have a 2002 90TLR 2 Stroke Yamaha Outboard. It ran very well last year. This year, not so much. Took it out a month ago. It didn't want to start so I gave it a bit of starter fluid to get the fuel flow going. I know, not exactly ideal but I couldn't seem to get the primer to get fuel to...
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    Low RPMs at WOT

    Here's a pic of my linkage for the CDI. In this photo I have the controller about half way forward, around the spot that I lose RPMs. What do those notches that I'm at mean? When I got WOT it actually goes all the way over to the left where I have marked "WOT?"
  9. S

    Low RPMs at WOT

    I've been running my boat for a couple years like this but really don't think it's running full strength. 24' Pontoon, 2002 90 HP TLR 2 Stroke. Symptoms. - Max RPM is 4000 at WOT. 13 MPH with just a few people on it. - Max RPM is down to 3000 if I have put a lot of people on it. Goes about...
  10. S

    Yamaha Outboard Water Hose goes to nowhere

    I don't understand how my 2002 90 HP 2 Stroke TLRA has worked these last few years. I'm chasing a different problem but when I took the lower unit off I was expecting to have to disconnect the water hose that pushes water back up to the engine from the water pump. It isn't connected though...
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