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  1. CLi87

    Where to find this fitting for closed cooling exhaust?

    I'm trying to find this brass connector that connects from my exhaust manifold to the closed cooling hose on my Mercruiser 5.7. It's a 1" OD barb type fitting with a 45 degree bend to a 1" NPT, I've tried looking everywhere and can't find it, anyone know where I could find one?
  2. CLi87

    Mercury 115 2 Stroke ELPTO Service Manual

    Does anyone know where to find a service manual for a 2005 Mercury 115 2 stroke ELPTO outboard? Thank you.
  3. CLi87

    2005 Mercury 115 ELPTO No Spark

    2005 Mercury 115 ELPTO Carb'ed 2 Stroke No Spark. Was running fine on the water then would not start back up. Already replaced all 4 spark plugs, all 4 coil packs, flywheel, and stator. Already disconnected the black/yellow wire at the engine to eliminate any problems at the helm. Not sure what...
  4. CLi87

    2008 Volvo Penta 5.0GL Carb Problems

    Hey all, I'm working on my 2008 Starcraft with a Volvo Penta 5.0GL with the 2 barrel holley carb. When I got it it had some issues running, when I looked down the carbs I saw one side was dripping fuel fine while the other was only letting out a few drops, so I figured a carb rebuild was in...
  5. CLi87

    Volvo Penta SX Trim Motor Part Number

    Anyone know where the part number for the trim motor for the volvo penta SX outdrive? I've disassembled my pump assembly and found the motor to actually be surprisingly working, but very rusted from water intrusion. I'm looking for just the motor itself and not the whole assembly which is quite...
  6. CLi87

    1998 Mercury 150 EFI Flooding Out

    Hey all, i'm working on a 1998 Mercury 150 EFI and the issue is it keeps flooding out, I can get it started by holding the throttle all the way down but if I let off it'll immediately die. At first I thought it was too much oil mixing into the gas as I saw a lot of blue smoke, but I completely...
  7. CLi87

    2004 Mercruiser 3.0 Water/Oil Mix Coming Out of Breather

    I did a search and found some similar threads but no real answer to my issue. I have a 2004 Mercruiser 3.0 with unknown history, supposedly the boat was winterized but I'm not sure if it was done properly. When I got the boat, the oil looked good and compression test was good, on the first trip...
  8. CLi87

    Will Optimax/EFI lower unit work on a 225 Offshore?

    I just recently bought a boat with a Mercury 225 offshore motor on it, the previous owner said it needed the lower unit replaced, can I use a lower unit from a optimax or EFI 225?
  9. CLi87

    Swapping 88' 454 Truck Engine to Replace 93' Mercruiser 454

    After multiple issues with the engine in my boat I've decided to just swap the block and heads out. My neighbor just happened to have an 88' 454 motor (Gen IV?) from a suburban with 100k miles sitting around so I got that from him and stripped it down. I know I have to move the accessory...
  10. CLi87

    Water leaking from block but pressure tested fine?

    This has got me really confused, Mercruiser 7.4 Gen V I was looking and saw some water dripping from the side of the block, naturally I would think cracked block but just did a pressure test and the cooling system holds pressure fine and I don't hear any air coming out?? I looped the two exhaust...
  11. CLi87

    Mercruiser 7.4 Oil Pressure Alarm Goes Off Randomly?

    I have an alarm that keeps going off randomly, sometimes I run the engine and it'll never go off, other times it starts buzzing and doesn't stop, I think it's the oil pressure sensor anyway, it's got a white with blue stripe wiring going to it. My oil pressure gauge on the dash reads perfectly...
  12. CLi87

    What are the 2 sensor on the thermostat housing?

    I have a Merc 7.4 and was wondering what the 2 sensors are on the thermostat housing, I'm sure one is a water temp sensor but what's the other one?
  13. CLi87

    Can water get into oil from failed exhaust parts?

    So I finally got my Merc 7.4 up and running and unfortunately after running it for about 20 minutes at idle on the hose I noticed my oil level was rising. I just put new head gaskets and intake manifold gaskets on so I don't think either of those are leaking. I also inspected the heads and block...
  14. CLi87

    Mercruiser 7.4 Gen V Trim Sender Wiring

    I've almost got everything on my engine put back together but i'm having a hard time figuring out where the trim sender wires attach to, the only wires left that aren't hooked up to anything are the purple and blue coming from one harness and the black and black/white stripe coming from another...
  15. CLi87

    How to do new distributor timing on Mercruiser 7.4 Gen V?

    I'm trying to reinstall a distributor and didn't mark the old one, what is the procedure for new distributor timing for a Merc 7.4 Gen V? I tried to look up some guides and they mention putting it in base timing mode either by shorting the purp wire or jumping the two white wires, but on my...
  16. CLi87

    Can I use slightly longer push rods than stock on 454 Gen V?

    So I had several bent push rods due to seized valves so I bought a full set on ebay that supposedly came from an 89 454, which should be the exact same push rod as the part #'s are the same for the push rods between the 89 454 and my 93 454 Gen V, but upon examination both the intake and exhaust...
  17. CLi87

    What is this guard around the valve spring?

    I'm rebuilding the cylinder head on a Merc 7.4 and was wondering if anyone knows what these metal guard things are around the valve spring? I don't see them in the parts diagram either.
  18. CLi87

    Are all Mercruiser 3.0 front sump oil pans the same?

    The bottom of my oil pan is rusted and I'm looking to replace it and was wondering if all of the front sump oil pans are the same between years? Mine is a 2007 Merc 3.0 TKS
  19. CLi87

    Is the Mercruiser 7.4 Gen V an interference motor?

    Does anyone know if a Mercruiser 7.4 Gen V is an interference motor? I tried researching it but i'm getting a lot of differing answers, I'm guessing it depends on the generation of the motor but I couldn't find a definite answer to if the Gen V was interference or not.
  20. CLi87

    Does anyone have pic of distributor on Merc 7.4 Gen V?

    I'm working on a 1993 Mercruiser 7.4 Gen V, it acts like it tries to start but will run for a second or too and then stop and backfire through the carb, I didn't touch the distributor, so I would think timing should be right, but the engine is new to me so no idea. I'm thinking the backfiring is...
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