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  1. M

    Water passage grommet location

    2005 J15 2 stroke. Does anybody know the exact location of pn 345188 (#5 in Cylinder diagram). Its a water passage grommet. It looks to be near exhaust cover. I pulled the cover and dont see it. I ve got a hot head at higher RPMs only and already gone through the cylinder head, pump, t stat...
  2. M

    15 hp powerhead interchangeability

    I’ve got a 2005 Johnson 15 2 stroke that runs hot. Pulled the head, exhaust cover and powerhead to change tube grommets. New thermostat and pump. Still get over 230 f on the head. The block is corroded around the outside of the cylinders pretty bad , missing chunks. thinking I’m just going to...
  3. M

    Johnson 15 2 stroke 2006 timing spec

    Can anybody tell me What the timing should be at idle? Wot? Can't seem to find this Info. Is it measurable with timing light on this motor?
  4. M

    Charge coil replacement 2006 15hp

    Anybody replace p/n 0584840 charge coil and lamination (discontinued) ? Aftermarket coil ( CDI P/N: 173-1670) available but have to swap the lamination. Directions are a little hard to follow. Says fold top lamination up and bottom lamination down to secure coil but having trouble picturing...
  5. M

    If I blow air up water pick up will it come out of telltale?

    Not pumping water right, no pee telltale. If I blow air up the copper water pick up tube should it blow out the telltale if un obstructed?
  6. M

    No tell tale pee but coming out weep hole

    Pulled the leg and impeller looked ok. Water pipe and fitting looked ok. Tell tale hose is not blocked. Was working fine when put up in the fall. Just cleaned the carb. Water was coming out the prop when on muffs. Also ran in tub. Water coming out of the week how in extension. Exhaust is going...
  7. M

    Advice need: replace float or rebuild carb

    Advice needed: bought 2006 J15 in 2012, PO said fresh carb cleaned/ serviced. In 2016 had issue with stalling in gear at idle, then hard to start, wait ten minutes and will restart and fuel leaking out of carb. Ended up changing the float and seat and doing a quick clean and blow dry. Fixed it...
  8. M

    2006 J15 thermostat cover leak

    Leaking out of thermostat cover. So planning to replace thermostat and the cover seal. Do you guys add additional sealant ( like a high temp gasket maker/ rtv)?
  9. M

    Supercharger on a marine TBI?

    Have any of you guys ever heard of anyone doing this? or have any thoughts on it at all? http://www.tbi-superchargers.com/
  10. M

    how many Knock sensors on 2001 GM 350 TBI

    Anybody know if there is one or two knock sensors on a 2001 GM 350 TBI?
  11. M

    Low pressure fuel pump inlet screen

    Does anyone know if there is an inlet screen on the low pressure fuel pump of the 2001 5.7 HO TBI? Do you remove the 90 barb to access?
  12. M

    Wot hesitation and spark knock or backfire

    Ive got a WOT hesitation with backfire/ spark knock that I can't figure out. It's a TBI. I've checked the fuel pressure. Ran off portable tank. Both fuel filters are new. Distributor cap, rotor and plugs new last year. Plug wires new. Checked the timing. I've got a EFI live data scanner...
  13. M

    How to rebuild carb

    Can anyone suggest a good manual or video on how to rebuild carb on a 2006 J15?
  14. M

    Base timing procedure

    Can someone tell me the procedure to set base timing on a 2001 Seamaxx 5.7 HO TBI? ive been searching for two days and can't find! thanks
  15. M

    New prop doesn't fit

    Ordered a new prop for my 15 hp 2 stroke. Went with a Solas high thrust 10x5 4 blade. But the back of the prop is touching the lower unit when I tighten it down. Has any one used this brand? they sell a hardware kit I quess I can try. I figured I could just use the thrust washer and spacer...
  16. M

    ZF Hurth rattling in nuetral

    2002 ZF Hurth 450-A2, 2.03:1 ratio. Shifts fine, no noise in gear, but there is a distinct rattle in nuetral. Paired with a PCM 350. I googled it, looks like it could be a Damper plate. Anybody have any experience with this problem?
  17. M

    About to pull the trigger, please advise!

    So I'm about to buy a boat with a 2002 Sea Maxx 5.7L with 300 hours on it. The service manual says maximum cruising rpm is 3800. The engine data read out displays 155 hours at 4000-5000 rpm. The previous owner says he cruised at 4200 rpm and that PCM said it was "ok". I reached out PCM but of...
  18. M

    Towing capacity Vs. pulling from water

    about to buy a bigger boat. My 4x4 truck's towing capacity is 5800 lbs. the boat and trailer weigh 7000--7300lbs Not planning to tow on highway But anybody know if I will be able to just pull the boat out of the water at the ramp for winter storage?
  19. M

    swapping a 350with a 454

    Does anybody know if it is ok to run a 454 on a transmisson that has a 350 currently paired? i dont know the exact model trans right now as this is on a boat i am cosidering to buy. but I will find out today. the 350 is a pcm sea maxx 5.7 HO. i belive the big blocks are crusador. thanks
  20. M

    Opinions on 2002 BF225

    Im getting ready to buy a boat with a 2002 Honda BF225. Can anyone share their experience, good or bad? Any known issues with this year model? Thanks
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