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    MR-1 U Joint Bellows Leak

    I got my muscle helper back and pulled the drive back out and discovered that the lever and roller on the gimbal housing was not engaged properly in the receiving end on the cable. Not an easy task to get it right, but I managed to engage those two as my helper pushed the drive into the bell...
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    MR-1 U Joint Bellows Leak

    Thanks Scott. The shifter lever was straight forward and the receiving lever on the unit slid right in. Looking up from the bottom, the engaged shifters are at 12:00 in forward and 2:00 in neutral, although the propeller is locked clockwise in both forward and neutral. It will not go into...
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    MR-1 U Joint Bellows Leak

    So, I got the clamp back firmly on the bellows with no visible leaks during the trip to the launch, although my lchase boat did have to tow me the last mile because of the stalling problem. I finally got help to pull the drive and inspect today. There was a small amount of water laying between...
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    MR-1 U Joint Bellows Leak

    All good advice. The boat came out of the water on the lift as soon as I noticed the leak and remains there. The bilge pump can handle the leak as it existed when I put the boat on the lift and I will try to get the clamp back on or a zip tie around the bellows. It is good to get confirmation of...
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    MR-1 U Joint Bellows Leak

    My 1974 140 Mercruiser had water entering the bilge from the rear of the engine. With the boat up out of the water on our boat lift, I had my son get in the currently very cold N. Idaho water to inspect the bellows with the drive full up. He said the big hose clamp on the U Joints bellows was...
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    140 Mercruiser Fuel Filter

    Thanks Bondo. I hadn’t considered water as being a cause. Perhaps it is time for a fuel water separator.
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    140 Mercruiser Fuel Filter

    I was tracking down a stalling problem in my 1974 mercruiser 140 and checked the fuel filter in the ”bowl” on the top of the fuel pump. When I removed the filter, both of the metal ends fell off, revealing ugly white material that left pieces all over, as shown in the attached photo. I put the...
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    Boat altenators

    My 5. 7 L has two idlers, per the attached diagram.
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    Power Trim Control Panel

    That makes sense. Hopefully you can ignore the dash switches and go with those on the control arm.
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    Power Trim Control Panel

    Attached is the 1988 Sylvan sales brochure. The picture of the 209 shows a different control than you have. The picture of the dash is not clear enough to tell of it includes what you showed in your first picture.
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    Power Trim Control Panel

    You attached this photo in another post. What does the red toggle switch below the arm do?
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    Power Trim Control Panel

    I see now that Rivergator has posted elsewhere that his boat is an ‘88, along with pictures of the shift/throttle arm, apparently eliminating my idea of the arm being added later. The 3 button switch being in the manual makes me think the switches in picture 1 substitute for the three button...
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    Power Trim Control Panel

    Rivergator has not said what year his unit is, but the three button panel shown in his picture #2, from his boat manual, was the mercruiser trim/tilt switch setup used before the switches moved to the shifter/throttle arm. Pushing the top button trimmed the drive up. Pushing the bottom button...
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    1976 Mecruiser 351W Trim System

    It pays to periodically look again for NLA parts. If you google mercruiser part number 45942A1, you will see two listed for sale. A bit spendy for a switch.
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    1976 Mecruiser 351W Trim System

    Good luck trying to find the limit switch at the top of the outdrive. I’m glad you found the lockout switch at Seaway, but last I checked, neither they or anybody else has the trim limit switch. In my experience with my ‘1974 Jolly Roger (cousin to the American) with MC1 Mercruiser, the...
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    Only runs when cranking

    I once trailered in a heavy rainstorm, got to the lake late, parked the boat on the trailer next to the cabin, and awoke to the sound of the engine trying to start on its own, and running only when the starter was turning. Turns out that overnight water had gotten into the ignition switch and...
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    Engine dies after running for several minutes

    The condenser has not been recently replaced. Everyone always tell me they seldom need replacement. The coil is not hot to the touch. I will measure coil voltage when running and after it dies when I get back to the boat. Thanks for the ideas Alldodge. Am I correct that the ballast resistor is...
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    Engine dies after running for several minutes

    My 1974 140/3.0 liter starts and runs well for 10 to 12 minutes, then shuts down, usually with one short surge as it is dies. It first did it last summer, so I replaced the fuel pump, confirmed clear fuel lines, cleaned the tank take up tube, elbow, and ball check valve, treated the fuel with...
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    Mercruiser MR-1 leg goes down, nothing on up

    Well, sometimes ideas are thrown out there because we have been there, done that. You are lucky, as when I jumped across the solenoid while the shifter was in reverse, as you did, a trim cylinder virtually exploded and split the tube, so I can also tell you where to get those parts.
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    Mercruiser MR-1 leg goes down, nothing on up

    Any chance you have the shifter in reverse and the reverse lockout is preventing the drive from going up?
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