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  1. M

    6HP four stroke operating temp

    I have a 6HP 4-stroke that was clogged. I cleaned out the water passages I could get to, I replaced the water pump and the thermostat. When I run the motor at idle in a pail the pee stream is really strong but the valve cover gets so hot I cannot touch it. I am going to shoot with the temp...
  2. M

    6HP Four stroke hot with strong tell tale

    Water was dripping our of the tell tale extremely hot. So I replace the impeller and ran a wire up the tube to clear any blockage. Hot the tell tell is peeing very string but the thermostat housing gets so hot you cannot touch it, just running at idle. So I pulled the thermostat and it was...
  3. M

    6HP Fourstroke burns oil once I get to half throttle

    Just got a 6HP FourStroke. Bought it from a friend that hardly used it. When just idling or going slow it is fine, but when I want to really get going I smell burning oil and it starts to smoke. Someone suggested it maybe the crankcase breather dumping oil into the carb. Any thoughts?
  4. M

    8.1 MPI oil pressure switch/sender

    My port side engine runs at 40-43 PSI at 3,200 RPM. My starboard runs at almost 50 PSI at 3,200 RPM. I wouldn't expect it to be exactly the same but I would like to see it a little closer. So I want to rule out the oil pressure sender and gauge. Looking at the parts diagram there are two...
  5. M

    Crusader 8.1 - Alternator Question

    My starboard side Alternator is not charging the house bank like it is supposed to. I took the alternator to a shop and had it tested and it tested fine. The batteries have just been replaced and I do not see any errors on the Charles Industries Regulator.I have checked all wiring and fuses...
  6. M

    Neutral Safety Switch on ZF Hurth

    I have Crusader 8.1 motors and Hurth Transmissions. The Starboard motor is giving me problems starting. The neutral switch is not reading right. I have to play with the shifter to get the engine to start even though I know the engine is in neutral. Where is the Neutral sensor that the engine...
  7. M

    Tiara 3100 Open running cable

    Installing new electronics on the boat this year. I have removed all of the gear in the dash and am now pulling out all of the old cabling. I pull the helm forward and there is a rigging tube that I thought went into the engine room. Well it doesn't. My guess is I have to pull the electrical...
  8. M

    Water Flow on a 1985 Evinrude V4 90HP

    I just picked up a 1985 (I think) 90 HP Evinrude V4. Engine runs great, needed regular maintenance items but nothing out of the ordinary. I do have one issue how ever. The Starboard bank is running very hot while the Port side is cool. So I have a blockage somewhere. I have already replaced...
  9. M

    Hole Pattern on Evinrude

    I picked up a 17' center console that had a 50HP Evinrude on it. The 50 was too small so I picked up a 90HP Evinrude of the same vintage. The foot print of the mounting bracket is identical but the holes that were midway down the bracket on the old 50HP are not present on the 90HP and the...
  10. M

    When a heat exchanger goes bad

    My neighbor at the marina has 8.1 Crusaders and the expansion bottle on his port engine has been filling up and pressure has been pushing the coolant out. He is thinking he may have a bad heat exchanger and is taking in sea water. Is that common? When my heat exchanger went bad I was loosing...
  11. M

    Shell Rotella 15-40 for diesel engines only?

    Doing an oil change on my 8.1's. Rotella jug says for Diesel engines. Is it ok for use in the 8.1?
  12. M

    Stuck canister on FCC

    I am changing the fuel filters in the Fuel Control Cell for the first time. So of course I change the starboard one first because it is easily accessible and this is my first time doing it. Well it was a piece of cake. 10 minutes and I was done. So I am confident now and move over to the port...
  13. M

    Shift Cable Replacement

    I have a 2002 Tiara 31 open with Crusader 8.1's and Hurth Transmissions. Last year I had a "Running hot" situation on the starboard engine. The shift cable was resting on the elbow and started to melt. Now the shifting is stiff and I want to replace that melted shift cable. Is there anything...
  14. M

    What batteries to use?

    I was working in the engine compartment yesterday and took a look at the batteries. I have only had this boat for one season so I have no idea how long these batteries have been on the boat. I am going to load test but I figured "Lets see what is on here now". Currently installed are West Marine...
  15. M

    Wide Open - how often

    I tried to search but could not find anything. I typically do not like to run my boats very hard. After only one season with inboards I realize that aside from the sea trial I have never run the boat wide open. In all of my years with 2 stroke outboards where I opened her up every time out for...
  16. M

    Electronics to display Crusader engine data

    I have 2002 Crusader 8.1's. I am looking for a new electronics package for next season and I am interested in getting the engine data on the Multi Function Display. It is possible to hook these engines up to the newer electronics platforms?
  17. M

    Painting over old Gel Coat

    Considering purchasing an older 17 foot skiff. The boat is sound and has a fiberglass hull that is in good shape but it is green and very faded. I am getting the boat for shallow water and rock pile fishing so I am planning on banging it around a bit. But I can't own anything thing that does...
  18. M

    How often WOT

    I have 2002 8.1 Crusaders. I was talking with someone over the weekend that has Merc 8.1's and he was told to go WOT for a short stretch every time he goes out. I did that with my 2 stroke outboards but those are a different animal. I cruise at 3100 RPM's with these Crusader 8.1's, how often...
  19. M

    How long for plug wires

    First off I want to thank everyone for the input on my one engine running hot. I think I have resolved that problem. Last night while running the boat at the dock I notice the port motor transmission really making that clanking noise at idle. Kick it up a few hundred RPM and it goes away. So...
  20. M

    running hot, can hoses collapse

    I have a new to me boat with twin crusader 8.1's. Starboard engine is running hot. Changed the risers, oil cooler, impeller in water pump and had heat exchanger cleaned. Riser is still very hot hot and engine temp climbs over 190 and then I back it down to keep temp from hitting 200. I...
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