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  1. Silvertip

    Merc 5.7L V8 bents/breaks push rod

    Lots of possibilities here: 1- worn rocker arms, 2 - worn rocker pivots, 3 - Improper adjustment, 4 - partially pulled stud, 5 - weak valve springs causing float, 6 - worn or sticky lifter and 7 - mismatched parts
  2. Silvertip

    Need help with a wiring issue on a restore

    There are a couple different wiring schems for Nav/Amchor switches. Some use a three terminal switch that requires a diode in the circuit. That diagram is attached. I also have a six terminal switch diagram but am having trouble locating it.
  3. Silvertip

    Mercury Verado limited to 2700 rpm

    Why rev above 2700 with no load? If it revs fine when you splash the boat then the perceived problem is protecting you from potential damage. If it didn't do this prior to now then perhaps a visit to the shop is in order.
  4. Silvertip

    Fuses keep blowing at the battery

    If it is blowing a 20A fuse it's a "big" short (meaning it should not be difficult to locate). Check the positive wire (the one with the fuse in it) as they tend to run over and through the framework of the boat. Disconnect that wire wherever you can get at it at the helm. Then try a new...
  5. Silvertip

    4.3L Mercruiser Milkshake

    Blown head gasket due to overheat is another cause.
  6. Silvertip

    New Switch Panel

    If it is perfectly square or rectangular there are lots of sources for generic panels. If you are looking for one specific to your boat your only choices are a boat salvage yard or the dealer for a new piece but good luck with that as boats are not like cars. There are few aftermarket...
  7. Silvertip

    Sumlog speedo

    So is the gauge in the boat? If it is the test process is the same AFTER you make sure it has +12 volts, ground and the paddle wheel connection is secure on the gauge. If any of these are missing, fix it and go for a ride. If the gauge still doesn't work it, the paddle wheel, wiring between...
  8. Silvertip

    Sumlog speedo

    connect +12 volts and ground, connect the paddle wheel and give it a spin with a squirt from and air hose to spin the wheel. And just so you know, indicated speed on this instrument is in knots -- not mph.
  9. Silvertip

    HELP! please

    They may not be used but are provided for optional accessories or features. You really need a Suzuki schematic for your specific engine. That diagram is provided in the "Service Manual" (not the operators manual) for your specific engine. No -- they are not free but if you had one, think about...
  10. Silvertip

    omc stringer 400 ignition switch fuse getting hot. (battery Pole)

    Depending on the manufacturers technique and preferances, some decided to send 12V power to the accessories including the instrument panel through the ignition switch. I dislike that because ignition switches don't generally like to carry heavy accessory loads. Others ran a separate 12 or 10...
  11. Silvertip

    A second set of the same New Gauges don't work???

    Assuming the "mechanic" knows how to connect this stuff if a stretch. They may know which end of a wrench to hold but many have less electrical knowledge than the average boater. Two sets of identical instruments that fail to work says it's a "workmanship/knowledge" issue or a the engine...
  12. Silvertip

    HELP! please

    You need to find the magneto wire in the engine harness. The diagram you posted showed the engine kill colors. Black is one of them. The other one is listed in the chart and if I remember was one of three different colors. The is shut off when the key is turned off which connects the two "M"...
  13. Silvertip

    Dead battery after sitting on trailer

    Key left in the on/accessory position? Radio has a station memory function. While that alone won't typically drain a good battery, it could add to whatever drained it. And new batteries, as older ones, can die suddenly. Is the charging system working properly. It is possible to be out a...
  14. Silvertip

    Prop Change?

    Before you throw money on a prop, make sure the engine is properly set up and running properly. No -- you cannot determine if the engine is running properly by how it sounds. If the engine is not making full power no prop is going to solve the issue.
  15. Silvertip

    Help with Boat Info

    Judging by the tail (stern) fins it is mid 1950's something. Although you asked for information on the boat, I will offer some advice since I know nothing about the manufacturer, make, or model of the boat. Looking at the pictures it appears the transome needs replacing and I would venture a...
  16. Silvertip

    HELP! please

    Look at the Suzuki column in the chart you provided. I have no idea what you meant about the white wire -- it makes no sense. But -- the white wire carries +12 volts so it does not get connected to the magneto. Ground is one of the magneto wires (black) and should go to ground. The other...
  17. Silvertip

    What was Causing this Clunking Sound? Binding Brakes?

    Surge brakes or electric?
  18. Silvertip

    Kill switch installation.

    Since you or us have no idea what wires are what because of lame wiring practices, you have to be the sleuth in this. Here is picture of what the ignition switch pins should be. Keep in mind the wire colors are for a Mercury outboard but these switches are very universal. The pins are...
  19. Silvertip

    Size of outboard

    I once owned a 16 foot side console with a 40HP Evinrude and was never in anyones way. It would plane nicely. 30 HP is a stretch, but 40HP will do the job.
  20. Silvertip

    Suzuki wire meanings. Please help

    The "starter solenoid wire" connects to the "S" terminal. You should have two ignition wires, one of which is a ground and connects to one the "M" terminals. The ground wire connects to the other "M" terminal.
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