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  1. M

    Mid section filling with water

    Tested my motor today (1988 XP150) after replacing my water pump/impeller and had great pressure through tell tale and it shifted well. However, when I pulled the boat out of the water I noticed a considerable amount of water draining from the 3 weep holes towards the top of the lower unit right...
  2. M

    Motor stalls when shifting into gear

    I’ve been messing with my 1988 Evinrude 150XP for a few months now, and I’m fairly certain something I did to it is causing this issue as it never did this before and the odds of this happening on its own at this exact time seems slim. My initial issue was the overheat alarm went off back in...
  3. M

    Lube cylinder walls after pulling heads?

    I pulled my heads to replace swollen water deflectors, I had to wipe the cylinder walls a bit to clean up some debris from the old gasket and what not. I have the motor put back together but haven’t started it, now I’m worried that the walls will be too dry and I’ll have issues. Can I spray...
  4. M

    Prepping heads/block for new gasket

    I’m getting my ass kicked here cleaning prepping the block/heads/water jacket cover for new gaskets. I’ve got them all maybe 95% cleaned up but this last little bit is driving me crazy. I started with this and I’ve gotten to here . I still have some light pitting/corrosion, especially right...
  5. M

    1988 XP150 Overheat alarm

    My 1988 150STLCCA had the dreaded overheat alarm go off on me the other night. Water was still coming out of the tell tale when it happened, I shut motor off immediately. Earlier in the day I noticed my RPM gauge quit working, when I first purchased the boat 8 years ago the RPM gauge wasn’t...
  6. M

    Slight motor knock

    My 1988 Evinrude XP150 developed what I would describe as a knock when on the water today. Would only do it between 1000-1500 RPM, other than the noise the motor ran perfect. No loss of power at idle or full throttle. Kinda seems like this is the beginning of the end for this old girl. Any...
  7. M

    88’ XP150 fuel problem

    Went to jump on plane this morning and 10 seconds after taking off my motor died, primer bulb was completely empty. Re primed the ball and took off again and the same thing happened, and again and again. I started idling back to the ramp and the motor would die every 20-30 seconds. Eventually...
  8. M

    Water pressure TOO high?

    I’m having a weird issue on my 1988 XP 150. I installed a water pressure gauge last year and would get around 2-6 psi idle and just over 20 at WOT. This spring I changed my impeller (old one was still in great shape) and now I’m getting closer to 10+ psi idle and 25-28 psi at WOT. At first I was...
  9. M

    Alarm buzzer quit working

    I was just checking my temp sensor wires on my 1988 XP150, I turned the key on and touched the tan wire to ground and the buzzer went off for a second or two and then I removed the wire from ground and tried again and it didn’t buzz the second time. I turned the key off and turned it back on...
  10. M

    Is water from here normal?

    I believe this is called the lower mounting bracket cover, I'm not sure if this is normal or not (it's coming from the cover)
  11. M

    Shift rod pin head broke off

    I was planning on changing out the impeller on my 1988 XP150 this week, I put it in reverse and started removing the shift rod pin and then the head broke off of the bolt. There is maybe 3/8's of a inch of thread exposed on the port side now, I tried spinning the rest of it out with a long pair...
  12. M

    Water pressure question

    Just installed a water pressure gauge on my 88' XP150 and was wondering what kind of PSI I should be hoping to see?
  13. M

    88' XP 150 bogging down at 2500RPM

    88' XP 150 bogs down at 2500 RPM Finally got the boat on the water for the first time this year. Started up good and idled well for 15 minutes before I went to plane out and she had no power past 2500 rpms. Couldn't get on plane and after a couple more attempts she died on me. I could get it...
  14. M

    New stator question

    Just installed a new Rectifier and Stator on my 88' XP 150. My old stator had the brown/yellow wires going to the starboard side and the Browns going to the port. My new stator had shrink wrap around the yellow stator wires going towards the wire terminal and the solid brown wires so I just have...
  15. M

    CDI electronics

    Stators from CDI are almost $100 cheaper than OMC ones. Is CDI a good brand or should I just stick to OMC parts? What's the difference ?
  16. M

    Air leak question

    Ok so my 88' XP150 gets up on plane quick and has lots of power and then dies about 20 seconds later. My primer bulb goes flat and after pumping it the motor starts right back up. I have two tanks and it does this with both of them. I replaced the primer bulb/hose and the in line fuel filter and...
  17. M

    Help diagnosing rectifier/stator problems

    I have a 1988 XP150 I bought late last year and the tach has never worked. I did some reading online and saw that it could be a bad rectifier so I jumped the tach from the rectifier directly to the stator and it started working. So does that definitely mean my rectifier is bad? I did a rectifier...
  18. M

    Motor dies after planing out

    88' XP 150 will idle perfect all day long, I'll go to throttle down and it gets up on plane really quick with lots of power and everything seems great until about 15-20 seconds later when the motor just dies. It doesn't seem to sputter or matter if I back off the throttle, it seems to just be...
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