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  1. boatdude100

    Fuel fouling (rich/spark) or oil leak?

    1 and 4 cylinders get black fouled plugs.... almost immediately I would say closer to sooty ... not wet or shiny Single barrel Holley carb- 3L/ Compression good-avg 160 Any clues if I should I be looking towards 1) Carb adjustment (previous owner did mess with the settings, but wouldn't this...
  2. boatdude100

    How do I set fuel/air mixture 3L Holley carb?

    2007 - new to me Stingray boat GLP-E Last ditch effort to fix this myself before joining the lineup at dealer which means my "new" boat will be back mid July- August if I'm lucky :-( Plugs 1 and 4 foul black almost instantly. Previous owner has popped the tamper proof covers and messed with...
  3. boatdude100

    Volvo grease substitute? - on impeller O ring

    Replacing Impeller today Manual calls for "Volvo Penta grease p/n 828250 to be applied on a new O ring before installing. Don't have any. Can I substitute anything else? Is this just to help it fit in or *** Is this grease super important? *** i.e if not used, then it may leak and water...
  4. boatdude100

    How to change cap and rotor?

    Any tricks to this? Simple answer would be... Remove cap (special tool?) Don't mix up wires Pull rotor, keep new one oriented in same direction when installing (is this hard?) Replace cap in same orientation Is there anything more to know about this job or is it that easy? (Tune up time-...
  5. boatdude100

    How to test for spark?

    3L volvo Penta... What exactly... is the screwdriver method or similar please? I recall something like putting a screwdriver in plug boot and placing close to block maybe? Then turning over engine in idle or something like that?? Thanks so much
  6. boatdude100

    What is normal temperature 3L Volvo Penta?

    I've searched and just can't find a straight answer. What temperature is "normal"? Mine is running 180 deg at plane (according to gauge) 2007 with I assume.. 160 deg thermostat New to me boat with Impeller I suspect has never been changed Thanks!
  7. boatdude100

    Impeller- Red paint- remove before removing screws??

    New to me boat. 3L 2007 This is an odd one to me... the entire engine is painted red. OK. Sadly so are the 4 visible screw threads on the water pump (impeller change time) Guessing its never been changed... 1) Do I use paint stripper or just put a socket on and start removing these 4 screws...
  8. boatdude100

    3L rough idle, one black spark plug

    First cylinder plug is black, rest are good, Hard starting after it has been run... Has visually maybe... too big a plug gap? cant find my gap tool and will check when I get one however.... What is the most likely cause of this please? New to me boat. Hopefully not cruel to me boat! lol Any...
  9. boatdude100

    lubricate impeller with what? Volvo 3L

    Anyone ever tried a glycerine based hand moisterizer? This Glycomed I have here is Chamoile and Glycerine I read a Volvo Penta uses a glycerine based lubrication is the OEM Read petrolium jelly is not a good idea, water based KY dish soap and is OK Does lubrication matter? Surely it would be...
  10. boatdude100

    Is Volvo Penta 3L a good engine?

    I'm sorry I know more details are probably required, but I'm looking at possibly buying a boat and that's all the info I have until I arrive and have to make a decision on the spot. Because that's the way it goes more often than not. The boat is made in 2000. Thanks!
  11. boatdude100

    water temp gage shorted?

    Installed bimini top, may have drilled into wire. I jostled wires in that area and water temp gage jumped from zero to full and back repeatedly. Then it wouldn't move at all. Replaced tan send wire but still no movement so...... Question: 1) If it was temprarily shorted or whatever made it...
  12. boatdude100

    Bogs down at half throttle classic 50 1986

    Runs fine up to 1/4 throttle and idles well Further acceleration does nothing although the carb control levers are moving on both carbs. Interestingly, when carb cleaner sprayed in 1st (upper) carb it tries to stall motor, when sprayed in second (lower) carb, no change. Why won't this motor...
  13. boatdude100

    how to change voltage regulator 3L LX

    I may have fried mine with big spark while grounding centre terminal of distributer. Alternator doesnt seem to be charging Id like to start by changing voltage regulator Where is it? 3L LX 1995 Digital Electronic Ignition Is it an easy swap? Thanks!
  14. boatdude100

    how to replace automatic choke

    3L Digital ignition LX 1995 I think maybe mine is fried. It is still over 1" wide after giving a pump to cold start engine. Is this difficult to replace- is there a set up required that I can easily screw up after replacement? Thanks!
  15. boatdude100

    What is sound when key first turned on 3L LX?

    3L LX Digital Electronic Ignition 1995 OF367647 When i First turned key there used to be a sound. I guessed it was fuel priming? maybe auto choke? I stupidly grounded the centre cable that goes to the distributor to the engine when compression testing now no sound. And automatic choke doesnt...
  16. boatdude100

    Is driving boat without power steering belt ok?

    3L 1995 Mercruiser. Have to get it to the boat launch, pulley bracket broken so I was thinking I would remove belt and drive it over. Can I wreck something doing this? It is a single dedicated belt, not a serpentine...
  17. boatdude100

    Broken power steering bracket 3.0 L

    I can't figure out how to get the pump off of the bracket which is cracked at the bottom! Do I really have to remove the pulley? The rear bolt came out but there seems to be a sleeve that won't budge so I can't remove the pulley even if I got the front bolt out! Whats up with that? The front...
  18. boatdude100

    How do I lenghten idle cable? 3.0 LX

    Can someone clarify how to do this? Unreliably returns to idle between 1000-500 rpm and I noticed there is a bit of cable slack. I cant figure out how to adjust it so cable exerts pressure on idle adjust screw. I think this is the problem after reading the following post...
  19. boatdude100

    other gas filters than main one in 3.0 Mercruiser

    We all know there is one main gas filter under the fuel pump. I have read there are other inline (perhaps) gas filters... maybe one in the fuel pump... maybe one by the carb. I see none. Where exactly are they please. 1996 3.0 L Alpha with electronic ignition.. Engine bogging down on...
  20. boatdude100

    9.8 wont shift into forward

    1982 vintage, grinds gears into forward, Its like its not going all the way into gear. Any thoughts? Thanks!
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