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  1. A

    ignition yamaha 6hp

    Hi everyone, I'm working on a Yamaha 6hp (6M8) 2-stroke and trying to set the maximum ignition timing (35° BTDC). The service manual says to set the flywheel to 35° and then align the timing marks on the magneto base and flywheel, but I can't find these marks anywhere. I've looked everywhere...
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    Yamaha 6hp ignition

    היי לכולם, אני עובד על ימאהה 6 כ"ס (6M8) דו-פעימות ומנסה להגדיר את תזמון ההצתה המקסימלי (35° BTDC). במדריך השירות כתוב לכוון את גלגל התנופה ל-35° ולאחר מכן ליישר את סימני התזמון על בסיס המגנטו וגלגל התנופה, אבל אני לא מוצא את הסימנים האלה בשום מקום. חיפשתי בכל מקום מסביב לגלגל התנופה ובסיס...
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    Mariner 8M HP

    I have a Mariner 8M HP outboard motor. I understand it’s equivalent to the Yamaha 8B. I wanted to know what year it is, and whether anyone has a service/manual for this engine. Thank you very much.
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    Yamaha 8B

    I have a Mariner 8 HP outboard motor. I understand it’s equivalent to the Yamaha 8B. I wanted to know what year it is, and whether anyone has a service/manual for this engine. Thank you very much.
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    Spark plug for 8hp Russian

    Hello, I hope I'm in the right forum. I have this engine from a Russian company, 8hp. I tried to find out which plugs can be put in (compatible with ngk or bosch) what I found was only a plug from some Russian company that I probably couldn't get. I would be happy to help. ‏
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    Low compression

    I have a 2023 Mercury 4hp 2 stroke, I bought the engine stuck and I was able to release it by pouring oil into the cylinder but the compression is only 75 psi. I tried to start it and it emits a very strong backfire from the exhaust, it's hard to start but when the engine starts it is very...
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    15 hp only runs on Choke

    Hello, Mercury 15hp 2 stroke. engine only runs on choke position, and when I press the primer fuel squirts from the hole. What could be the reason for this? Thank you
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    5hp 2 stroke compression

    Hi, what should be the compression pressure Mercury 5hp 2 stroke? Thanks
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    Flywheel

    Hello, I've been doing some work on my 1991-92 Mercury 4HP 2 stroke Does anyone happen to know the torque specs for the flywheel nut? Thank you for your help!
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    Flooding carburetor

    Hello, I have a Mercury 2 stroke 4hp and the carburetor is flooding. I want to perform a pressure test for the carburetor, how many psi to inflate in order to perform the test? Thank you
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    Check valve

    Hello, I have a Mercury 4 hp engine and I ordered a new valve. I wanted to know how I should place it according to what I understand the correct direction for assembly is to allow the crankcase oil to pass to the cylinder and not the other way around? Thank you.
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    Check Valve 4 hp

    Hello, I have a Mercury 4 hp engine and apparently I accidentally threw away the check valve when I replaced the old tube. What is the role of the valve and is there a problem in running the engine without the valve? Attached photos for illustration Thanks.
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    Mariner 5 hp 2 stroke water in gear oil

    Hello After I disassembled the lower unit I noticed that water with rust came out of it. After a pressure test I noticed that the gasket from the transmission shaft was broken. After I replaced it and did an 18 psi leak test and also put it in a barrel with water the test did not indicate an...
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    Problem shift shaft

    שלום, יש לי מנוע מרינר 2 פעימות 5 כ"ס. לאחרונה פירקתי את הברך כדי להחליף את אטמי מוט ההילוכים כשניסיתי להרכיב אותו בחזרה, ההילוכים לא עבדו ואני מרגיש כאילו ידית ההילוכים לא נכנסת עד הסוף, היא רק יושבת קצת בפנים סובבתי את גל ההינע ויחידת הדש לא נכנסת למצב ניטרלי אולי יש צורך לדחוף בכוח? תודה
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    Carburetor problem

    Hello, I have a problem with a Mercury 4 hp 2 stroke engine When I shift into gear and turn the throttle the engine chokes and shuts off If I turn the lever in gear slowly and past the point where it is about to shut off the engine will respond normally I note that this only happens when I...
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    Noise in plopeller rotation

    Hello friends, after replacing the gasket in the shift shaft, I put everything back together, when I turn the plopeller manually in neutral and then shift into forward gear, there is a strange noise. I am attaching a video. Thanks https://youtube.com/shorts/fGXvMn8JRHQ?feature=share
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