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  1. AMD Rules

    1993 Chaparral 2370 SL - Louvred Vent Covers

    Does anyone know where I may be able to find replacement vent covers like that shown, new or used? Also, I am about to begin making a full camping enclosure for this boat (replacing all existing forward canvas and clear windows as well), and I will need to install additional tubing/framing for...
  2. AMD Rules

    Transom Swivel Bushings

    Assembled a rebuilt power head from a few different years of parts.. "150hp Mercury V6. Mid 80's lower unit and transom assembly, Late 80's power head, early 90's cowling and mid-section. First trial run, doubled up on oil for break in period. So far so good." I bought a manual jack plate...
  3. AMD Rules

    Idle exhaust boot - Mercury V6

    In order to ask my question I need to explain what I have for a motor. Acquired the following: (1) 1985 Mercury 2.0L 150hp V6 complete (with a blown power head). 2) 1988 Mercury 2.0L 150hp V6 rebuilt power head only (3) Cowling with lower mounts from what appears to be a 1991 Mercury 135hp...
  4. AMD Rules

    '72 Glastron GT160

    Current project is a '72 GT160, a hull I have had previously. This one had a rotten transom and stringers although it was in great shape otherwise. Much better than the one I had before. Low investment so far, and I'm currently in the process of grinding the bare hull in preparation for...
  5. AMD Rules

    Glastron GT160 , 115hp Inline Merc

    Hey folks, I don't think I've ever posted in the prop section....so here goes. I've been toying around with a few props this past week, and I'm curious if someone may have valuable advice as to best route to take to squeeze a bit more speed out of this 'ol school vee hull. Some data: I was...
  6. AMD Rules

    8hp Yamaha 2-stroke - Model Year?

    Curious if anyone can identify the year of this motor for me? Model: 8SH Serial: 6G1-S-028614 I'd love to know for sure what year it is, so that I order the proper service manual. Thanks.
  7. AMD Rules

    Mercury 1967? problems

    To drain: Open the drain plug first, then open the upper vent plug. Inpsect drain plug for signs of metallic debris. Inspect oil for signs of moisture of contaminants. To fill: Use premium gear lubricant. Replace the plug gasket or seal with a new one. It is an often overlooked leak path...
  8. AMD Rules

    1972 Mercury 85hp will not go over about 5mph?! Thinking a sheared pin?

    Your prop hub is shot. Mark a line from the inner hub assembly to the outside. Run it, and if the line isn't aligned afterwards you can be sure its the prop. Not difficult to repair. Your local dealer or prop shop can have you back on the water in no time. There is no shear pin on your...
  9. AMD Rules

    Black rollers - marks

    If a roller is leaving black marks on my hull, is there any solution other than to replace it? Physically it appears to be in good condition, but the black marks gotta go. I'll buy a new non-black roller, but was curious to know if I could make this roller last a little while longer.<br /><br...
  10. AMD Rules

    Computer 24/7 below freezing....

    I have a PC in my garage running 24/7. Is there any concern with leaving it on all the time when temperatures are likely to be below freezing? I have it in power saving mode which means the monitor goes off, but the PC is in standy-by. Any key press brings it back to life where it left off...
  11. AMD Rules

    Help...I can't see.

    Wondering if anyone here has electronic experience, that may help. Many years ago I saved and saved to get enough cash to buy a huge monitor. At that point, a 19" monitor was very rare for personal use and very expensive. I spent nearly 800 dollars on a brand new Samsung monitor, the model...
  12. AMD Rules

    Help - Motor Identification

    Shown below are a few images of a motor, believed to be a 70's Johnson. I'm told it is bigger than a 40hp, perhaps a 70hp? It is a 2 cylinder, with 2 carbs.<br /><br />Can anyone identify it, year/HP? Guesstimate?<br /><br /> <br /> <br />
  13. AMD Rules

    Power ratings

    My boat displays conflicting information. The manufacturer's literature states horsepower is 60hp, and that is what I have. The manufacturer's nameplate shows max 40kw which would be about 53.6hp.<br /><br />The US Coast Guard capacity rating plate shows 4 persons and 80hp.<br /><br />Can I...
  14. AMD Rules

    1988 60hp -->>>> 3 ring vs. 2 ring Pistons ... Help ...

    I ordered 2 replacement piston for my motor, and am concerned that I've ordered the wrong parts. <br /> <br />Original pistons had 3-rings <br /> <br />Replacement standard pistons have only 2-rings. <br />Motor s/n OA732655 <br />I ordered part number: 774-9137A12 Qty (2) <br /> <br />Of...
  15. AMD Rules

    60HP Merc - Gear Ratio

    What is the standard gear ratio for my 88 60HP 3cyl 2 stroke Merc. Its the non-bigfoot model. ELPTO<br /><br />Newer ones are 1.64 to 1 .... same ?
  16. AMD Rules

    Purpose for water by-pass tubing?

    I've been trying to determine why the spray out the upper exhaust seemed <br />excessive. I've since removed the powerhead and exhaust plate. The new <br />shaft seals and power head gaskets are already installed, ready to re-mount <br />powerhead to solve my mysterious oily mess (I hope)...
  17. AMD Rules

    1988 60HP Mercury - Water Spray @ Upper Exhaust

    Motor is new to me, and I am getting discouraged trying to figure out why it is spitting a lot water out of the upper exhaust ports just beneath the cowling.<br /><br />New impeller has been installed. Pee stream is ok, but somewhat weaker than I expected. Blowing out the telltale tube...
  18. AMD Rules

    1988 60hp Oil Injection - Auto Lube

    I removed the autolube system from my motor and opted to pre-mix instead.<br /><br />I disconnected the wiring as well. The control no longer beeps when I turn the ignition on.<br /><br />Question:<br /><br />The oil injection had three wires in the connector (tan, black, and purple). Tan...
  19. AMD Rules

    Motor Stand?

    A couple of cheaper alternatives:<br /><br />1) Find a local auto parts retailer and buy a cheap motor stand, then mount a short piece of 2x10 on it to hang the motor on. Should be way less than 400 dollars.<br /><br />2) Get some scrap wood, and build one. Should only take part of an...
  20. AMD Rules

    Speedo Pitot Tube Routing

    What's the "normal" factory way to route the speedo tubing from the lower end pickup of a Mercury outboard to the dash console speedo?<br /><br />I have the new hose, and can attach it to the lower unit but am concerned about getting it pinched in the power T&T brackets. I'd like to install it...
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