Recent content by Capt Ken

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    Timing

    Yamaha Engine management System. Port side front of intake manifold. Four plugs, two male two female. not labeled but plug the males into the females and it will lock the timing for setting.
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    Where is capt ken

    I haven’t passed to the great marina in the sky YET! But after passing my 70th birthday, I feel like I have, but forgot to fall down. 39 years in business and 31 of those in the Yamaha family has taken its toll. I no longer have the hustle and fortunately able to treat the business as a...
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    Yamaha Sterndrive Questions

    Contrary to popular belief, I have not died. But as some may or may not know, we did take a hit from Hurricane Michael, which has been upgraded to a Cat 5. One of only four that has ever hit the states. My shop took a hit but not so bad that we couldn’t get back up and running after a few...
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    2000 150 Optimax oddity

    I've got an Optimax in the shop driving me crazy. I have to admit that I'm not up on Optimax engines but this one is odd. Runs rich. In fact raw fuel runs out exhaust when idling. Fuel needle in VST tank has been replaced and no external leaks. Fuel pressure good and so is air pressure...
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    2000 Suzuki DT150 Quandry.

    Now it's your chance to help the mechanic. As the title says, 2000 DT150 EFI. It was given to me by a elderly customer that had sold his house and wanted it out of the yard. So working on getting it running to rehome it. Ok, the basics, spins over good, excellent compression. Fuel system...
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    Sport jet 90 Flywheel

    Anyone got a good used 90 flywheel laying around. A almost broke customer lost three of his magnets and I've already robbed every flywheel I had to repair others in the past.
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    Before Phoning Me

    Just wanted to get something off my chest. I've been biting my tongue for quite a while. I will get phone calls to my shop wanting to speak to me concerning the Yamaha Sterndrives. Many of these calls start off with, I just bought a bunch of parts and I need advice on installing them. My...
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    Even Experts Gets Stumped

    Just to let y'all know, even us so called trained experts gets stumped and this one has my tech advisor stumped also. HPDI 150, will run in start position but not in run. First thoughts would be ignition switch but I'm running it with a breakout box. Wired key in start position, disconnected...
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    One Upset Boat Owner

    Had a gentleman come into my shop last week to get an estimate on replacing the engine in his 2006 boat. I gave him a general estimate but then asked what happened to his. He said he got some water in the boat and just thought the starter had locked up but the marina where he kept the boat said...
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    Almost Wet Myself Today

    So I get a phone call at my shop from a gentleman wanting information before buying a used boat and motor. Wanted to know how much to reconnect a rod in an engine? I said, WHAT? Claimed the seller said that all was wrong was a rod had come loose and what was needed was someone to reconnect it...
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    Taking a Long Shot

    If any have paid any attention in the inboard section, my son and myself is helping an elderly man get a hydrofoil boat up and running that he has been working on for 40 years. One of the problems we are having is the reverse lock on the old Mercruiser I drive. its a 1967 model with the bronze...
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    Pirated Yamaha Manuals

    Guess I hadn't noticed before but Yamaha is getting serious about dealers copying their manuals and giving/selling it on the open market so all their electronic manuals have watermarks including the dealer's account number. I checked for myself and noticed my dealer number was now on everything...
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    Identify this Drive

    So who can be the first to ID this drive? When you do, I'll post pictures of the rest of the boat.
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    Need Thinking Caps

    OK, I know I'm suppose to be the guru of Yamaha Sterndrives but I've got a YEMS that is stumping me. So I thought I would bounce some stuff around here and maybe someone will come up with something I haven't thought of. YEMS, not firing. Came from another shop that probably couldn't spell...
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    Tip For Yamaha Sterndrive Water Pumps

    I get a lot of folks with water pump problems so here is a tidbit to see what condition your pump is in. While the pump is off and after replacing the impeller, block one of the ports and suck through the other. If you suck air, either front seal or Oring is leaking. Then unblock the port and...
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