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  1. J

    Miss at High RPM's

    Hi all. I've got a 1997 Johnson 115 crossflow. Motor starts and runs great. I've owned new motors that didn't run this good. My problem starts around 4500 Rpm's and continues up through 5500rpm's. It will start to have a miss like a cylinder is losing fire. And it doesn't do it until the engine...
  2. J

    Tilt works going down but not up???

    97 Johnson 115 90deg Hello all. Tilt/trim worked fine the last time I used it which was about 6 weeks ago. I put the boat on the trailer and tilted the motor up and set it on the rest bracket. Today I went out to crank it since it had been sitting for a while. Tilt would not lift up. I picked...
  3. J

    Broke plug wire

    97 Johnson 115 xflow I managed to pull a plug wire out of it's boot. I stuck it back in so I could make it back to the dock. Do I need to replace this wire or will it be ok to run it like this??
  4. J

    What caused this????

    1997 JOHNSON 115 X FLOW I bought this boat knowing the power head had piston damage. One of the cylinders had been previously rebuilt with a .020 piston and the other three were stock. I was told the boat ran fine after the first rebuild/patch job, For a couple years. Then it dropped the other...
  5. J

    Yamaha Battery/Power cables

    Yamaha F115TXRZ I need new cables and was thinking of building them from Tinned marine wire with solder on lugs.. What size wire would I need to use?? Cables will be 8-10' long. Or would I be better off just ordering the Original yamaha cables?? Thanks.
  6. J

    1997 Thermostat question

    97 Johnson 115 Xflow Bubble Back I bought a boat with this motor on it. The motor had broke rings on 3 cylinders. I rebuilt it .020 over and replaced everything except rods and crank as they were undamaged and the crank checked out fine. I rebuilt the carbs and fuel pump also. Just wanted to...
  7. J

    I did something stupid

    Carburetors on a 97 Johnson 115 90deg. I put rebuild kits in them and in the process of knocking out the core plugs, I made a BooBoo. I was using a screw instead of a punch and after I knocked it in, I gave it an additional turn. It went deeper than it needed too. Now one of the holes that was...
  8. J

    Break in period on rebuild

    1995 Yamaha 200TXRT I rebuilt the powerhead. New Pistons,& bearings, and the bore was overed .020. What kind of break in procedure should I follow? I know the double oil part and don't just pour the oil in the tank mix it with gas first then pour it in, Right. What about RPM'S and how...
  9. J

    Broke Piston....Why?

    I am getting ready to put it back together now with all new pistons, bearings, etc. Everything but crank and rods. What could have caused this. Could this be a ethanol in gas situation. The other five cylinders are in great shape. Why only one? The motor is a 1995 Yamaha 200TXRT. I don't run...
  10. J

    Rodbolt, or somebody, i need your help. (again)

    1995 yamaha 200 txrt saltwater series- i am having oil injection issues. main tank on the engine will only fill to bottom line. i can fill it with the emergency switch so i know the pump and lines are good. replaced the sending unit on main tank last week with new one. made no difference. i...
  11. J

    need some advise Rodbolt

    1995 yamaha 200 txrt saltwater series. recentley purchased. when i start to crank it i turn the key and there is a 1 or 2 second delay before the starter spins but then it cranks fine. the problem is when i have to turn it over for more than a few seconds the ground cable gets extremely...
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