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  1. J

    Why is fuel leaking from my vapor separator?

    2006 60ELPTEFI 1B294476 Filled my fuel tank and my vapor separator started leaking out the top vent. Any correlation? Thanks, J
  2. J

    Is this a reasonable trigger test?

    Got a 9.8, A901055, misfiring. Top cylinder firing out of time. Really running on lower cylinder only. I put my meter on the trigger and rotated the flywheel past it by hand. Signals are created that correspond to the TDCs of the cylinders. I find no extraneous signals around the flywheel...
  3. J

    9.8 Running on One Cylinder Only

    9.8, 2 stroke. Serial A901055. Top cylinder not contributing. Compression at 125 psi, spark plug does fire and spark energy will jump 3/8" air gap. With the engine running I can pull the spark plug lead from the top cylinder and the engine performance does not change in the slightest. If I...
  4. J

    Badged as 9.8, Serial A901055 Running on One Cylinder Only

    This one I've never seen before. Compression 125/120 psi. Air gap spark tester, spark jumps 3/8" easy, both cylinders. Put it on the boat, take it out, no power. Like it's running on one cylinder. Bring it back to the barrel. Pull spark plug wires while running: Pull the top plug wire, no...
  5. J

    2006 60 ELPTEFI Spewing Fuel from Vapor Separator Vent

    Hi. Hope you're well. Got a symptom that's new to me. 2006 60 4 stroke EFI. I am having raw fuel spewing through the lower cover from the vapor separator top vent. What does this mean? Thanks, J
  6. J

    1998 25 EL Piston Ring Identification and Availability

    Hi. Hope you're well. I am working on a 1998 25 EL, serial 0G614644, that suffered a minor overheat and jammed a piston. The piston is a little scuffed but not bad at all. Very little aluminum in the cylinder. Anything there can be taken off the cylinder wall with a mild acid. The rings got...
  7. J

    2003 Mercury 25 hp 4 Stroke Coil to Plug Wiring

    I was recently looking at a 2003 25 hp 4 stroke that seemed to be low on power. On this engine, a single coil pack supplies power to each cylinder. I noted that the top coil output wire went to the top cylinder's spark plug and the bottom coil output wire went to the bottom cylinder's spark...
  8. J

    Lund Rebel 1650 Leaking

    Hi. I have been slowly bringing back a Rebel 1650 with a Honda 50, 4 stroke. Good news: it was given to me as partial payment for a job. Bad news: it was given to me as partial payment for a job. The engine seems firm. I have gone through it and last time out it started and ran very strong...
  9. J

    2001 Mercury 25 Timing Belt Change, Pulling Flywheel

    I'm replacing a timing belt on a 2001, 25ELPT 4S, serial 0T284681. The flywheel is giving me trouble. Can you point me in the direction of a good flywheel pulling instructional? Thanks, J
  10. J

    2001 Mercury 6 hp 4 Stroke Won't Start

    Hi. Hope you're well. I have a single cylinder 4 stroke 6 hp that won't even cough. Model ME6M 4ST, serial 0R019810. Compression at 65 psi. Spark jumps 1/4 to 3/8 inch air gap. Fuel spit right into cylinder. Can pull all day and get nothing. It's such a simple engine. Would timing have...
  11. J

    2005 Yamaha 50 4 Stroke Poor Water Flow at Telltale

    Hi. Long time. Hope you're well. Working on a 2005 Yamaha, model T50TLRD, serial 6C2L 1000653, that just dribbles water from the telltale. Flow improves with a pipe cleaner shoved up the telltale but you can only get up there 1 1/4" before hitting a T. One side of the T comes from the engine...
  12. J

    1983, 9.8 hp, Firing One Cylinder Only

    Hi. Been a while. Hope you're all well. I have a 9.8 hp, that appears to be a 1983 with serial 6403333, which is firing on one cylinder only. I swapped the coils to find that they are both good. So I think my problem is either a bad switch box (power pack) or a bad signal coming into the...
  13. J

    1997 Force 120 Leaking Fuel

    Hi. Been a while. Hope you are all well. I'm working on a 1997 Force 120 (serial unknown at this time). It's a 4 cylinder 2-stroke. I'm trying to keep it from stalling when shifted. During carburetor adjustments I noticed raw fuel coming out the front of the lower carburetor and fuel...
  14. J

    1981 20 hp Needs Prop

    I spun the prop on my 20 hp and don't know what to order. The only numbers stamped into the original are 9P A4. The diameter measures 10 1/4". Can someone point me in the right direction for pitch? Does the 9P indicate 9 inch pitch? Thanks. J
  15. J

    Water Pressure Gauge

    Hi. This is a new-to-me Sundancer Designer 200D with a water pressure gauge as part of the instrument array. What water pressure would this be monitoring? Where is the sensor? Thanks, J
  16. J

    1980 20 hp 5608805 Needs Drive Shaft Housing Engine Mount Covers

    Hi, Can anyone identify the part number for the round snap-fit mount covers for the lower engine mounts on the drive shaft housing? Thanks, J
  17. J

    US Marine L-drive Main Relay Access / Replacement

    Hi. i'm trying to replace the main relay on a US Marine L-drive. The bracket holding the electrical stuff including the main circuit breakers and main relay looks like it is held by two clamps. I removed the front clamp bolt and water started flowing in. I freaked out and reinstalled the...
  18. J

    US Marine / Force L-drive Main Relay Replacement

    I need to replace the main relay on a US Marine L-drive. The main relay is on a sheet metal bracket along with the main circuit breakers. I found this bracket is clamped to the floor, I think in two places and when I removed the bolt on the first clamp water started to shoot out of the bolt...
  19. J

    1969 Johnson 6 hp Won't Start

    Hi. I'm working on a 1969 Johnson 6 that will not start for me. I have spark and compression but am not getting fuel. I cleaned and rebuilt the carburetor and have the engine to where it will run if I entirely block the carburetor with my thumb allowing just a sliver of air. I call it...
  20. J

    0B145331 90 hp 3 Cylinder Won't Start

    Hi. I feel like I am chasing a ghost. I have a 90 hp 3 cylinder, sn 0B145331 that has no spark on any cylinder. On inspection I found one of the trigger wires burned off. I replaced the trigger. Still no spark. I disconnected the black/yellow ignition kill wires at the ECM. I disconnected...
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