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  1. M

    Mercruiser Buying Advice

    Son-in-law is looking to get into boating. My experience is outboards only, so I am of no help to him. Chances are the boat will be 17-18 ft, so the I/O will be "smallish". Any tips for what to look for as far as problems when buying these things, as in, problematic items with Mercruisers in...
  2. M

    Lug Nuts

    Wonder if all lug nuts for 12"-20 studs are 60 degree cone angle? Pulled my wheels and the nuts came off very hard. They were 3/4 hex nuts and the cone was deformed from many years (20+) of on/off and the coning was somewhat dished. Not sure what the cone angle ever was; it surely isn't 60...
  3. M

    Super Tech Marine Grease Changing Color

    Picked up my grease gun to lube my axle bearings and found that the grease coming out of the gun was a light tan color. Imagine my surprise. I thought maybe I had inadvertently put a different lube in the gun. Pulled the tube and it was light tan on the end that the grease comes out and the...
  4. M

    Bore Scope or Small Camera for Cylinder Inspection

    Anybody know of an inexpensive bore scope or small camera that can be used to look around in the cylinders? If camera, I'm guessing this would be USB plug into laptop. I'm curious what lurks inside without pulling the heads. I used to have a little light pipe that I used on rifles to check...
  5. M

    Re-Torque Head Bolts?

    Motor is 1986 Johnson 110HP. I'm in the middle of trying to diagnose a problem which could mean leaky heads. Compression is an even 120# across all cylinders. Is there ever a reason to re-torque the head bolts other than within 10-20 hours after having new gasket installed? And, could I have...
  6. M

    Spark Plug Wires

    I have replacement spark plug wires for my 1986 Johnson 110HP motor (CD Ignition). The original wires were solid wire core with a resistance of 0 (zero) Ohms. The replacement wires (Sierra) have an internal resistance of 350 Ohms. Will this cause any problems or changes as to how hot the...
  7. M

    Johnson 110HP Running Lean?

    Wondering how I can tell if I am running too lean, don't want to blow the powerhead again. My spark plugs on the bottom 2 cylinders have ground electrodes that are almost white, while the upper two cylinders plugs have ground electrodes that are brown. This is only after 4 hours on the plugs...
  8. M

    Searching the forums...

    I've been wondering what I may be doing wrong when doing a search. I get "Sorry - no matches" when I know that there are plenty of matches. My particular case is when searching the Johnson/Evinrude forum and searching for VRO. I know very well that there are tons of "VRO" to be found, but the...
  9. M

    Spark Plug Question, Indication of Problem?

    Motor is 1986 Johnson 110HP. Plugs are QL77JC4; I do a lot of low speed operation, so gap is .040". Last fall I gave it a pretty good decarb with Seafoam, per the well known methods. Engine temp is correct, somewhere around 135 - 140F. After the decarb, put in NEW plugs and ran it pretty...
  10. M

    Garmin GPSMAP 182C Software Upgrade

    Wonder if anyone knows if the GPSMAP 182C software upgrade also upgrades the GSD 20 sounder module as well (if connected). My GPS is with me up north and my sounder is attached to my other boat which is in Florida. If the sounder gets upgraded as well, I'll want to hang on to the upgrade card...
  11. M

    1996 Merc 40HP 2 Stroke 4 Cyl Overheat Alarm Question

    I have a friend who brought an overheat sensor to me for a soldering repair (he had to cut wire to get a socket on the sensor). I know nothing about how Mercury does their overtemp/overheat alarming, so here goes. The owner has had an overheat alarm, but the engine was not "hot" to the touch...
  12. M

    Garmin GPSMAP 182C Bule Chart Data Card Updates Possible???

    I have a Garmin GPSMAP182C and use a Southwest Florida Blue Chart Data Card (NOT SD) and it is old. Buoys are not in the correct positions and channels have been added/changed. Is there any update available that can be done, or am I buying a new GPS unit to get this done. I see where Garmin...
  13. M

    Yamaha 2 stroke Winterization Question

    Actually, the motor is going into storage for the summer months (Florida), so here goes. I have a 2003 90HP Yamaha 2 stroke. I'll be putting it away until I return next December. I've seen conflicting information (even from Yamaha) on whether to drain the carbs or not. Stablizer will be run...
  14. M

    Cheap Boat Covers

    Looking for a cheap boat cover (need in a hurry) for Florida storage. Time is of the essence, so a custom made cover is not an option. Been looking at the big box sporting places such as Bass Pro and Cabela's, as well as this forum's (iBoats) parts. Prices are similar. All seem to be $260 to...
  15. M

    2003 90HP Yamaha Overheating

    I know I'll get blasted for not providing enough information or not reading the manuals, but here goes anyway... I bought a used boat. Motor is a 2003 90 HP Yamaha, 2 stroke, carbureted. The motor ran fine on my test drive, prior to buying. BUT, at the RPM's that it was test drove, there was...
  16. M

    Guidelines for adjusting trailer tongue weight

    I have a new to me Century 1700CC boat. The trailer is a Performance (defunct) galvanized bunk trailer. As received, the tongue weight was excessive, my rough initial guess was 400+ pounds, based on how it sucked down my truck. My scale bottomed out at 352. I am a "snowbird" in Florida and...
  17. M

    Removing stuck screwss from fiberglass

    I have recently purchased a used fiberglass center console boat (Century 1700CC). There are screws through instrument brackets (on the top of the console) which are seized. Prior to me, someone tried to remove several, shearing off one head and rounding out the crosshead on another. (Getting...
  18. M

    Trailer guide-on post question

    I am getting a used boat/trailer and the boat's beam is 80", but the trailer is built to accommodate a boat with a much wider beam. The PVC post guide-ons can not be adjusted any closer than several inches from the hull. I would like the posts to be no more than an inch from the hull. The...
  19. M

    2003 Yamaha 90HP 2 stroke ??

    I'm looking at a boat in Southwest Florida tomorrow that has a Yami 90 on it. Motor looks clean. Any things I need to know about that could be problematic? We'll do compression check, measure head temps, crack a few bolts to see if they move. Anything else? Thanks for the input. I'll check...
  20. M

    2001 70HP Johnson Questions

    I'm looking at a used boat here in Southwest Florida. It is a 16' Palm Beach with a 2001 70 HP Johnson motor. I have no experience with this year motor. Are there any things to watch out for or any notorious maintenance issues? This baby has been in salt water and I have not seen it...
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