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    Question on OX66

    My neighbor just bought a used boat with a newer OX66 Yamaha 225HP. He had a mechanic check it out and said it all looked good and everything is still original. My neighbor says it runs a little rough at lower RPM's but runs smooth at higher RPM's. The mechanic told him that the reason for this...
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    89 Mariner Intermittent Starting

    Motor is a 89 mariner 150HP 6cyl. Sometimes the motor will start right up and will run OK. Sometimes you go to start it and it will not crank. When it does this there is no fire at any spark plugs. Motor does not run rough and has not died while running ever. have checked and rechecked my...
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    Life span of thermostats?

    I have 92 60HP Johnson. I have done the upgrades to the cooling system and put a new waterpump on last year. I am going through thermostats like crazy. They all fail to where the engine starts running too hot. One even had the plastic housing go to pieces. I seem to get 6 months out of each...
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    Help I Fried My Regulator

    I recently replaced my stator and was in a hurry and accidently crossed 2 wires. There are 2 yellow wires from the stator that connect to 2 yellow wires to the regualtor. I somehow in a moment of haste connected 1 yellow to yellow and the other to the grey wire of the regulator. I noticed my...
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    No Idle Caused By Loose Center Magnet

    I'm posting this to maybe help some other poor individual like me that this happens to. I have been posting about a 92 60HP 3Cyl that wont idle but will run only if you push the throttle halfway and then at speeds around 1800 RPM. Have checked and rechecked everything I knew. However sometimes...
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    Help on service bulletin info

    I am in the process of replacing my stator and powerpack on my 92 60HP Johnson Tracker. I noticed there was instructions with the stator that tells about relocating the telltale to the top of the cooling jacket. This boat just came from the dealer here a year ago and was not caught then. After...
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    Upgrading CD3 Ignition

    After having trouble with missing and erratic motor problems, i have determined my ignition system is bad. I pulled the flywheel and found the pickup coil coated with a white powdery haze and the stator cracked and melting. The little fuse in the red holder that runs to the stator has been...
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    Help 60 HP Fuel Problem?

    Hello. Motor is a 92 60HP 3cyl. Went out yesterday morning and motor cranked up ok and trolled down the bayou to the store and shut it down. Came back 10 mins later and cranked right up. Ran 5 miles open 39mph out and suddenly the engine stalled for a second or two and then pulled right back up...
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    How To Turn 60HP Into 70HP?

    After having removed my powerhead and resealing the case, I got VERY familiar with the manual. I noticed that the 60 and 70HP are the same block and all. I asked my dealer what makes the difference and he said it had to do with bigger high speed jets and timing. He did not know anymore than...
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    No Ignition Problem

    Just got back around to tinkering with my motor tonight and found a no spark condition. Turned starter over several times and no spark. Checked wire connectors and wiggled them. Tried it a second time and still no spark. Got mad and punched the powerhead in the side where the exhaust plate is...
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    How much slack?

    I am currently in the process of sealing a case leak (see previous post). Was wondering about slack in the motor. Are 2 stroke motors supposed to have some slack when turning the crankshaft. Motor was quiet and smooth while running. However, now with the case opened up, if I rock the crank back...
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    Case Leak on 60HP

    Well, I finally got a call from the mechanic today and they said that my case has a leak between the 2 halves that is sucking outside air in and causing it to run rough and not idle. They said this would be about a $1500-$2000 bill. They cannot get to this type repair until after the summer is...
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    Should I Be Ticked Off?

    Brought my boat in to the shop and was told it could take up to 2weeks before they could get to it. I said OK because they are the closest to me and have always been treated exceptionally well by the counter person when I've needed parts. <br />Well today it's been 2 weeks, 2 days 12 hours and 4...
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    Sneezing through top carb

    Ok, I'm stumped! My motor was idling poorly a few months ago and fixed it by a sync&link adjustment per the manual. Everything ran great after that. Now motor is sneezing through top carb and won't idle. Checked plugs and changed. Checked coils and tried adjusting fuel mixture, pulled needle on...
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    Strange noise in engine. But seems OK

    Noticed a strange change in tone of my motor today. Not like a knock or grinding noise. It lasted about 2 to 3 seconds. Was running down a pipeline canal and was full throttle until the end when I slammed the throttle shut. I usually don't do this! Was just too much fun though! What could that...
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    115 Gas in Oil

    My friend has trouble with his Yamaha again. This time it has excessive oil in crankcase, 1 inch above full. It smells real strong of gas. Oil was changed before weekend trip of about 10-15 hours then checked on yesterday. Oil was changed and drained yesterday and another trip out of about 4...
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    115 Regulator Overheating

    Has anyone else had problems with the regulator failing on 4Stroke motors. My buddy's motor is a '02 115HP and first one failed and was replaced with new one. This one overheated and stopped charging but after cooling down, started working again. Battery is perfect condition and there are no...
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    Tach all over the place

    Didn't know whether to post this here or in the lectronics forum. I have a '92 60HP Johnson Tracker. The tach is about 8 months old and has only been out about every other weekend. The problem started yesterday while going out to camp with a FULLY loaded boat. The gauge was showing 6000 Rpm's...
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    Tilt Motor Troubles

    What is the deal with these little tilt motors? I have a 92 Johnson and the motor went out a few months after I bought it. The motor priced at $240, so I took it apart to try to rebuild it. No motor rebuilder will touch the thing! Found water had gotten in from wire penetration. Sealed it with...
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    QL77JC4 Plugs

    I went to Waly World the other day to get some plugs for my 92 60HP Tracker. They were out of the QL77JC4 plugs that I originally had in them. They did have L77JC4 plugs. Was told these will work fine in my motor and the only difference is they don't have the resistor for electrical noise...
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