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  1. #1

    Default Chrysler Sea King 15hp

    Yes I have a Chrysler Sea King 15hp and having problems dialing in the carb. I put it in the drum and I get it to idle and run great. Put it in gear and prop turns and it idles great without cutting off. Get to lake and it will not go full speed with WOT. Any answers as to what's going on?
    Also this is my model number and stuff.
    VWB 52119E Serial# 48X 30664

    Where do these new serial numbers come from and how can I find out which one was assigned to my serial number ? makes it hard to find parts when everyone wants a serial number and I can't give it to them.

    Thanks

  2. #2
    Join Date
    Dec 2015
    Location
    maplevalley WA
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    4,748

    Default Re: Chrysler Sea King 15hp

    Look under 1984 chrysler 15hp here you should be able to get the part numbers.
    It takes a nickle to go first class!
    If it aint broke dont fix it!!

  3. #3
    Join Date
    May 2010
    Location
    Sebastian ,Fl
    Posts
    2,517

    Default Re: Chrysler Sea King 15hp

    The #s you gave VWB etc. is for Sea King.
    Even though Chrysler made it, it's still a Sea King.
    FranzMarine or Mastertechmarine can get the parts for those #s

    kimcrwbr1 gave you something you can use.
    88 Bayliner with 2002 225 HP Mercury EFI

    Buy American made Cars and Trucks!!!Towing insurance for a boat,a GREAT thing.
    ​Tools to make my life easier: Battery tester, die grinder, temp.gun, compression tester, DVA meter.

    In Scenic , Beautiful San Sebastian by the sea Florida

  4. #4

    Default Re: Chrysler Sea King 15hp

    Yes thanks. I found out how to get parts and parts numbers.

    Does anyone have a answer to the WOT problem ? I have rebuilt the carb. Replaced all the fuel lines. rebuilt the fuel pump. Put new spark plugs in and also a new impeller. But put it in the tank and get it purring like a kitten and go to the lake and crank it and it runs fine. But when I go to WOT it want go and just bogs down ?
    Any Answers or suggestions.

  5. #5
    Join Date
    Dec 2015
    Location
    maplevalley WA
    Posts
    4,748

    Default Re: Chrysler Sea King 15hp

    Did you adjust engine sync between throttle opening and spark advance? You will need a manual to confirm the adjustment,
    It takes a nickle to go first class!
    If it aint broke dont fix it!!

  6. #6
    Join Date
    Dec 2015
    Location
    maplevalley WA
    Posts
    4,748

    Default Re: Chrysler Sea King 15hp

    There is a mark on the throttle cam you want the carb to just begin to open as that mark passes center of the roller on the throttle lever. I am not sure how you make that adjustment.
    It takes a nickle to go first class!
    If it aint broke dont fix it!!

  7. #7
    Join Date
    May 2010
    Location
    Sebastian ,Fl
    Posts
    2,517

    Default Re: Chrysler Sea King 15hp

    Cutting out at wide open: fuel pump, fuel lines collapsing(ethanol), the tank vent closed, bad coil, float not set right, reeds broken/missing.
    88 Bayliner with 2002 225 HP Mercury EFI

    Buy American made Cars and Trucks!!!Towing insurance for a boat,a GREAT thing.
    ​Tools to make my life easier: Battery tester, die grinder, temp.gun, compression tester, DVA meter.

    In Scenic , Beautiful San Sebastian by the sea Florida

  8. #8

    Default Re: Chrysler Sea King 15hp

    Check for spark. It sounds like you could be running on one cylinder.

  9. #9

    Default Re: Chrysler Sea King 15hp

    Thanks. Sorry it took so long to get back. I'm gonna see if I see what your talking about when it gets a little warmer here LOL

  10. #10

    Default Re: Chrysler Sea King 15hp

    fuel pump rebuilt, reeds are fine. New hoses put on all the way to tank. Float is where it's supposed to be. How would you go about testing coil ? Oh I have ran it with the fuel tank vent closed and open. Still the same results. Thanks

  11. #11

    Default Re: Chrysler Sea King 15hp

    I'm trying to find out some info on this.

  12. #12

    Default Re: Chrysler Sea King 15hp

    I'll check that out. Put new plugs on it and when I replaced them they looked fine. There was no wet fuel on the plugs. Idling it runs perfect so I never checked on a spark plug not firing.

  13. #13
    Join Date
    May 2010
    Location
    Sebastian ,Fl
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    2,517

    Default Re: Chrysler Sea King 15hp

    Did it ever get wide open?
    How old is the impeller?
    Is this a new motor on an old boat?
    New set up?

    What RPM's at wide open?
    88 Bayliner with 2002 225 HP Mercury EFI

    Buy American made Cars and Trucks!!!Towing insurance for a boat,a GREAT thing.
    ​Tools to make my life easier: Battery tester, die grinder, temp.gun, compression tester, DVA meter.

    In Scenic , Beautiful San Sebastian by the sea Florida

  14. #14
    Join Date
    Dec 2015
    Location
    maplevalley WA
    Posts
    4,748

    Default Re: Chrysler Sea King 15hp

    Engine sync is very important for those engines between spark advance and throttle opening.
    It takes a nickle to go first class!
    If it aint broke dont fix it!!

  15. #15

    Default Re: Chrysler Sea King 15hp

    Yes it has ran wide open before.
    New impeller
    old motor on old boat
    no new set up
    Use to before the speed was about 20-25 mph now when in WOT it's about 8-12 mph

  16. #16

    Default Re: Chrysler Sea King 15hp

    Do you have any information on how to sync or where things should be. I received email from walbro carburetors and they said carb discontinued model. Asked if there was a replacement to change it and they said no.

  17. #17
    Join Date
    Dec 2015
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    maplevalley WA
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    Default Re: Chrysler Sea King 15hp

    What kind of boat are you pushing?
    It takes a nickle to go first class!
    If it aint broke dont fix it!!

  18. #18
    Join Date
    Dec 2015
    Location
    maplevalley WA
    Posts
    4,748

    Default Re: Chrysler Sea King 15hp

    On the throttle cam under the points plate is a mark. Line the mark center of the follower roller and the carb should be fully closed and just begin to open as the mark passes center of the roller. I dont know how to make that happen.
    It takes a nickle to go first class!
    If it aint broke dont fix it!!

  19. #19
    Join Date
    May 2010
    Location
    Sebastian ,Fl
    Posts
    2,517

    Default Re: Chrysler Sea King 15hp

    Usually you don't need a new carb.
    99% of the time a cleaning works.

    You do a compression test?
    Spark test?

    Any fuel coming back through the front of the carb? (reeds)

    The fuel line connectors have rubber seals in them.
    They can go bad and suck air under load.
    Try hooking direct to the carb and see if it helps?
    88 Bayliner with 2002 225 HP Mercury EFI

    Buy American made Cars and Trucks!!!Towing insurance for a boat,a GREAT thing.
    ​Tools to make my life easier: Battery tester, die grinder, temp.gun, compression tester, DVA meter.

    In Scenic , Beautiful San Sebastian by the sea Florida

  20. #20
    Join Date
    Nov 2005
    Location
    Chi West, IL, USA
    Posts
    784

    Default Re: Chrysler Sea King 15hp

    Quote Originally Posted by tjustice View Post
    ..............
    Use to before the speed was about 20-25 mph now when in WOT it's about 8-12 mph
    Are you getting the rpm's?
    Make a mark on the prop and check for slippage.

  21. #21

    Default Re: Chrysler Sea King 15hp

    14' aluminum jon boat

  22. #22

    Default Re: Chrysler Sea King 15hp

    ok ill look at that and see if I see anything.

  23. #23

    Default Re: Chrysler Sea King 15hp

    have a new tank I have not got to try yet. Also all the hoses from rebuilt fuel pump to the carburetor to the tank are all new.
    Yes if you pump the primer bulb until it gets hard usually 1 more little squeeze let's a little fuel come out of front of carburetor.
    I'm going to get tester from auto shop and check compression next.

  24. #24

    Default Re: Chrysler Sea King 15hp

    it's something to do with fuel supply to carburetor or something. I have messed with the thing that you can move on top of carburetor and got it to go WOT but if I adjust it, it don't help.

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