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  1. K

    1997 40hp 4 cylinder.

    Serial number 0G580734. 40ELPTO. so long story story short. The motor would run for a while then lose all spark to all cylinders. I replaced the stator and switchbox. Engine fired right up on the hose. I replaced the fuel filter at this time. Took it to the launch. Ran it wide open to my dock...
  2. K

    1997 40 horsepower

    new to outboards guys, so I put the pontoon in the water. It fired right up, sounded great. Ran for about an hour on and off. Started back to dock. At about 3k rpms she sputtered and died. Now no start or even tries. Just turns over
  3. K

    1997 40 hp oil

    So I just picked up pontoon, equipped with a 97 40 hp merc. My question is what oil should I be running? I believe the old owner told me he ran quicksilver. I know the oil is blue in the tank. But I’ve done some research and there seems to be multiple quicksilver types. Any help would be great...
  4. K

    Oil priming

    Seadoo 1998 gtx 951 Okay, so in my previous post. I had to replace my starter and bendix. I got the ski back together. I bled the oil system lines(pre pump lines). I then held the oil pump open and the small lines to cylinders filled. I’ve notice their seems to always be air bubbles in the...
  5. K

    1998 seadoo gtx starter noise.

    New to he seadoo world. When I pulled my seadoo for the last trip to the lake. When trying to start it turned over a few times. Now makes a whinning noise when trying to start. Bad starter? Low battery possible?
  6. K

    1998 v8

    Okay, sorry for limited information here. But a relative of mine has a Thompson Santa Cruz cabin cruise. We were on the water for about 30 mins. When it just shut down. Basically down revved to nothing. Wouldn’t start back up. Dude to a bot full of people we drug it back to shore. And trailered...
  7. K

    Prop specs.

    4.3l merc on a 19 foot open bow. So last night my numbers are 4600-4800 rpm wot, approx 40 mph. My prop is a 19 pitch. So my question is are these numbers correct?
  8. K

    New prop!

    Okay so my current aluminum prop is a 14 1/2 19 pitch. I’m wanting to upgrade to a stainless. But can’t seem to find the exact match. What are the equivalent? And best price. Also the boat is a 19 foot open bow with a 4.3 merc. Thanks!
  9. K

    Plug gap!

    Anyone know the correct sparkplug gap for a 1991 celeb open bow. It’s the 4.3l engine serial is 0D601730. Thanks in advance!
  10. K

    Colder temps.

    Ive got the itch to start working on the boat. Well here in PA, we’re looking at colder temps as in next Monday the low is 32 degrees. So I’ve always been custom to 26 degrees or colder for 6 hours is bad. Should I be worried about the 32 degree night?
  11. K

    New prop!

    I’m lookinf to upgrade to stainless prop on my 18 foot open bow, merc 4.3l. I’m not sure on what pitch to go go with. I’m not positive on the current pitch. But I’m looking for all around prop. I do occasionally pull a tube. Update the prop says 231019. Thanks!
  12. K

    4.3 parts verification!

    I have a 1991 celeb open bow with a 4.3l, I?m looking to do a tune up. Also the fuel pump lost pressure at the end of the season. So I?ll be replacing that too. I?ve narrowed down parts that I believe are all correct. If anyone could verify them. It would be greatly appreciated. Engine serial-...
  13. K

    Fuel filter?

    Hello, I've been searching the forums for some advice. I found similar post but wanted to throw this out there. I have 1991 4.3l merc. 2bbl carb. And the tb5 ignition. First trip out boat runs great. But I noticed on the 2nd trip when you reach 4600 rpms and above it starts to surge. And...
  14. K

    1991 4.3l merc first run.

    I spent 2 hours on the water yesterday. Mostly running/idling. I pulled the dipstick and saw what looked to be great looking oil. Not milky at all. But apears to be a quar or so too full. I assume 2 hours running time would easily be enough to turn new oil milky if water was entering? The oil...
  15. K

    Alpha one gen 2 bellows

    Alpha one gen 2. It appears the ujoint bellow has been replaced, along with the shift bellow. But the water pickup hose shows signs where it was not replaced. Is it possible to replace this without removing the bell housing? Or what are my options? I'm very handy when it comes to this type of...
  16. K

    4.3l carb parts

    I have a 1991 celebrity, 4.3l merc. Boat runs perfectly as. But the (what I believe is a bull nose) on top of the carb which holds the flame arrestor is broke off while doin some winter maintenance. My fault I know. But anyways does anyone know where I can get that part?/ a used junk carb? it's...
  17. K

    outdrive help!

    Merc 4.3l with a alpha one drive. When I hooked it up to the muffs yesterday. All was good in neutral. I went to engage forward and it kinda grinded while in gear. Same in reverse. But the drive spins free in neutral. I however did ease into gear. Also the motor was idling a little high from...
  18. K

    Help! Flame arrestor!

    I have a 4.3l merc. The mount in the carb is broke off which holds the stud for the flame arrestor/cover. What are my options here? Possible jb weld?
  19. K

    Exhaust bellow!

    I'm currently doin some winter tlc to a 1991 celebrity 180 cox The boat is powered by a 4.3l v6. Merc. My exhaust bellow has a tear in in. The other two bellows appear to be in great shape! I've have a Volvo before that just had half bellow? My question is should I change it? Put a half bellow...
  20. K

    Fuel pump whine!

    Okay the boat is a 1993 volvo penta 430b. An excel 20sl. The fuel pump went. I've looked everywhere for a new one. It's the pump cell in the front of the motor. It's electric pump. It pumps up to the carb. The number on it are 3041b 926. I cannot match them anywhere. Does anyone know the right...
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