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    90 Hp Merc, 17' Aluminum fishing boat with windsheild

    Gents: A friend bought a boat with an early 90's Merc 3 cylinder. I think the motor is propped wrong but it has exhibited something I've never seen before. With a 19" Prop, motor turns about 4000 RPM at WOT (I think too much prop). With a 17" Prop, motor will turn beyond 6000, I would have...
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    serious prop problem-t think

    History: I had a 12 foot short shaft aluminum boat. Had a 2004 2 stroke 9.9 merc on it. Transom measured 15 inches. Motor measured 20 inches from cavitation plate to just below the cowl. So, this should be a long shaft motor? Can you confirm? So, my problem is, I bought a 12 foot...
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    2003 Merc 90 hp 2 stroke classic. Alarm Test

    Can anyone tell me how to test the low oil alarm and the overheat alarm on a 2003 Mercury 90 HP 2 stroke classic? At this point, I have no concerns regarding how the motor is running. However, for peace of mind I would like to make sure that both these system are operational. I purchased this...
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    Why replace spark plugs?

    So, I regulary replace my spark plugs. My question is why do spark plugs require replacement. What I mean is that if they are cleaned, gapped properly is not a surface gap plug and put back in the motor what's the difference between a new plug and a cleaned plug. Sure, I understand that...
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    Radio cutting out

    Boat has a 2003 90hp Mercury. Purchased brand new by me. Maybe 200 hours on it. Boat was also new. I have one single battery on the boat. Also from 2003. Boat starts and runs fine. Good cranking. No issues with motor at all. Never have to charge the battery get's enough charge from use...
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    Mercury Speedo question

    I have a 2003 90 hp classic with factory gauges. This year when I put my boat in, the quicksilver 65mph speedo did not work. Was not the pick up tube or the speedo tube. Gauge was done. Anyway, tried to fix it by taking gauge apart. Got it too work but was off by about 10 mph. Bought a new...
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    1977 Mercury 75 7.5 HP

    Couple of problems with my outboard. No one else can start it but me. Took it into the shop and it does start. Shop adjusted the choke. Here is my start procedure: Pump bulb to hard. Pull choke out. Pull start motor. Coughs about 50% of the time and stalls. Push choke in. Pull start...
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    Starting Instructions Mercury 7.5 '77

    I'm stuck. I've had starting issues with this motor since I got it. Would not start at start of season. Took it to the dealer. Suggested a carb re-build.<br /><br />He charged me 30 minutes labour. Checked spark and carb. Adjusted choke. Assured me that the only thing wrong was the choke...
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    Starting Instructions Mercury 7.5 '77

    I'm stuck. I've had starting issues with this motor since I got it. Would not start at start of season. Took it to the dealer. Suggested a carb re-build.<br /><br />He charged me 30 minutes labour. Checked spark and carb. Adjusted choke. Assured me that the only thing wrong was the choke...
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    Hard(ly) starting '77 Merc 7.5

    My old Merc is still hard to start. Has great spark and went it starts runs great!<br /><br />Here is where I'm at:<br /><br />Put outboard on back of boat for first time this year (stored properly etc. etc.). Pulled and pulled and pulled. Nothing at all. Zero. Zip. Nada.<br /><br />Pull the...
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    Gamefisher primer bulb

    I'm looking for a part number (and source?) for the primer bulb on a Sear Gamefisher 5hp, year unknown. Model number is 225601951.<br /><br />It is the bulb in the engine case.<br /><br />Tx.<br /><br />Joe
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    Hard starting 7.5 Merc?

    I have a Mercury 75, 7.5 hp from the late seventies(1977?). Canadian serial number is 7106267.<br /><br />It runs well. Idles smoothly and WOT is smoth also.<br /><br />It is difficult to start. Once it starts, it will restart easily. After about <br />30 minutes of rest, it is difficult to...
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    '03 90 HP 2 Stroke Ignition System Work?

    How does the ignition work on this motor?<br /><br />I know how most outboards work:<br /><br />Stator produces electrical current. Switch box (or power pack etc.) in combination with a flywheel trigger decides voltage sent to a particular coil for appropriate firing of spark plub.<br /><br...
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    '03 Ignition System Work?

    How does the ignition work on this motor?<br /><br />I know how most outboards work:<br /><br />Stator produces electrical current. Switch box (or power pack etc.) in combination with a flywheel trigger decides voltage sent to a particular coil for appropriate firing of spark plub.<br /><br...
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    Small Outboard reverse performance

    I have a Mercury 7.5 hp of late seventies vintage.<br /><br />Reverse is not very effective. The prop spins, seems to ventilate a whole lot. Increasing throttle above idle is useless.<br /><br />Motor is on a 12' aluminum boat. Of course reverse performance with more people aboard, is...
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    '03 90 HP classic-ignition work?

    How does the ignition work on this motor?<br /><br />I know how most outboards work:<br /><br />Stator produces electrical current. Switch box (or power pack etc.) in combination with a flywheel trigger decides voltage sent to a particular coil for appropriate firing of spark plub.<br /><br...
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    '03 90hp Merc-NO SPARK!

    I have a 90hp Merc on a 17' bowrider. It is put into the water in May and remains there until late September.<br /><br />Motor has maybe 50 hours. I don't have an hour meter but figure I put 150 gallons of gas over the past two seasons. I don't use it alot.<br /><br />Friday evening, wife and...
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    Digital Camera Pics and DVD players

    Just got a digital camera. Have a DVD/CD burner.<br /><br />Want to burn digital pics onto a cd or dvd for use in a DVD player.<br /><br />Have a DVD player purchased in 1999 and one purchased in 2004.<br /><br />Don't have the manual any more.<br /><br />When I burn pics on CD or DVD, get disc...
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    Bait Cast advice

    My whole life I've used used spin reels. Since everyone that is serious about fishing uses bait cast reels, I decided to buy a decent combo, Bass Pro house brand.<br /><br />6'6" Medium action with a bait cast reel.<br /><br />My neighbour uses only bait cast reels. He can make my rod cast...
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    Intermittent Spark Problems

    My mercury 7.5 hp is having some restart problems.<br /><br />Are intermittent spark problems common?<br /><br />When the motor is running, it runs well. Excellent spark. I can disconnect either spark plug wire, and motor will run with less RPM.<br /><br />When I can't restart, the one time I...
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