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  1. flabob1

    Shift Rod Frozen

    I have a 150xb 2019 Yamaha engine. It's 21/2 years old and the shift rod froze. Used anti-seise oil and it freed some but still NG. Looks like I have to replace the bracket . Which brings me to my question, How do I change it . Has anyone replaced it before. If so please post some info . Thank You.
  2. flabob1

    2001 115 can not get above 2500 RPM

    Yamaha F2001 115 HP Advancing the throttle can not get over 2500 RPM. Same in reverse . OK in natural over 5000 RPM All fuel filters have been changed , Using a separate fuel tank, vent open. injectors have been changed. Engine has a fuel pump going to the fuel rail than the injectors. Could it...
  3. flabob1

    Engine will not start

    A friend has two 150 four stroke . Engines start OK but after running for a while and shutting down one engine will not start. After a while ,I guess when it cools down it starts OK. No over heat warnings noted. Don't have a manual to see what could cause it. Is it fuel or ignition the problem...
  4. flabob1

    Manual needed

    Re-powered with two new Yamaha 150 . Finely got rid of my 150 HDPI after 14 years .Great engines but the everything else kept failing. Like the oil system etc. So what I need now and can't find are maintenance manuals for 2019 engines. The closest I found was up to 2010. Does anyone know how...
  5. flabob1

    150 HDPI Oil warning Alarm sounding .

    Hello Here's my story. The low oil alarm went off .Filled the tank on the engine ran OK for a short period. Than alarm sounded again. The pump works and pumps oil to the engine tank when the switch on the engine is held. I have twin engines and compared the engine tank sensor to each other ...
  6. flabob1

    HPDI 150 Throttle will not advance

    I have twin 150 HPDI 1004 engines. Been having a problem with one engine not going over 3000 rpms . Went the route of changing filters ,plugs etc. no help On my last trip I did get up to 3700RPM with Throttle full advanced. Ran it all day . Thinking it was just a throttle adjustment. Today about...
  7. flabob1

    Engine flushing and weep hole flow

    Engine F115TXRZ 2001 . A Just bought a used engine and changed the water pump. Hooked the water to it and had flow but not from the weep hole on the right rear side of the engine. Checked for blockage checked OK as far back as I could go. On the water during a test run there was water flowing. I...
  8. flabob1

    Spark Plug Question

    Are spark plugs interchangeable between NGK BKR6EKU and NGK BKR7EKU ?. Ok simple question that I can't find a answer for . Some people say they should work ???. I have Yahama 2004 150 HPDI
  9. flabob1

    Throttle Adjustment twin HDPI 150 hp

    I travel mostly at 3700 RPMs and my right throttle is about two inches pasted the left. It's been this way for a long time and I kinder got use to it . Should I tinker with this. I don't want to knock everything out of adjustment if that is possiable. Is it just a simple adjustment at the...
  10. flabob1

    Blowing Fuse on Fish Finder ??.

    Ok new problem now. I just installed a Hummingbird Helix 7 unit. Wired it to my main bus. When I turn on my other GPS Unit the Helix goes dim nd erratic. I was told that interference from other unit is causing it. Was told to wire it by itself. So I wired it directly to the engine battery switch...
  11. flabob1

    2004 150 HPDI oil alarm sounding.

    I had my engine alarm go off indicating low oil on the engine tank. The pump in the main tank was not pumping oil to the engine. I had this problem on my right engine a while back . It was corrosion on a pin in the plug at the main tank . Thinking it was the same problem it was not. Swapping all...
  12. flabob1

    2004 150 HPDI will not addvance over 30K

    No sooner I get one problem I have another. Advancing the throttle in gear to full throttle all I get is a max of 3000 rpm. If I advance the throttle out of gear it shuts down. I Checked battery and all connections checked ok. Also checked to see if I had ignition at each cly. all checks ok...
  13. flabob1

    2004 150 hpdi will not crank

    When turning the key to start nothing happens , no crank and no alarm. The switch has been changed with no help. Try starting again after 20 min or so and it will start. Also once working the switch a number of times and it started. So far it has always started after waiting or was I just lucky...
  14. flabob1

    Voltage output high ?

    New day fishing and a new problem . I have twin 2004 150 HPDI engines . My left engine reads 18 volts and my right engine reads 13.5 to 14 volts. Eighteen volts seams to high to me. Is there any adjustment I could make . Any help as always are welcome and thanks ... Bob
  15. flabob1

    Engine will not shut down

    Hi Guys , got a good one this time. Most people have problems starting a engine mine will not shut down. I have twin 2004 Yamaha 150 HPDI . When I turn the key off the engine will continue to runs and idles OK for about 15 sec. to 30 sec. than shuts down with the key in the off position...
  16. flabob1

    Is it possiable to hook up battries in Parallel

    I have two batteries, one hooked up to the engine and the other hooked to my accessories. The one battery on the engine is being charged by the engine. The other is not. My question is could I hook up the two batteries in Parallel so they are both being charged by the engine ?.Or would this be...
  17. flabob1

    Engine will not shut down

    I have twin 150 HPDI ,2004 engines. Got something new ,it's always something. When turning the engine switch to off the engine will continue running. Will shut down after 5 to 30 seconds later. Engine runs smooth and shuts down. This happen twice on different days. Any Ideas ????
  18. flabob1

    2004 150Hp HPDI will not start untill trottle is advanced

    Cranking the engine it will not start. That is until I advance the throttle lever forward and back a few times. Than it will start. Also Tuning the key on the alarm will not cutout after a sort time period. There must be a switch stuck open or closed somewhere . Any idea where or what the...
  19. flabob1

    Adjusting tilt up posistion.

    I have 150 HPDI 2004. Is there a adjustment to regulate the full up position of the motor. Full up will contact my transom now. Thanks
  20. flabob1

    One dead cylinder not fireing.

    Just when I get one problem fixed something else comes up. When changing the sparks on my Yamaha 150 hp Z150TXRC motor I found one plug clean. No evidence of burning fuel. I swapped the coil with lead and end cap to another position. After a day of fishing plug was still clean. Problem did not...
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