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Recent content by typhoon

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    US people- Mariner 48-60 Yamaha based twins.

    Have any of you US guys ever actually seen these engines in the flesh? I'm asking because no one in the US ever seems to have seen a 48/50/55/60 twin and some of us in Australia are having issues with engine synchronisation. I suspect, due to the fact all we can find are aftermarket US based...
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    To much oil cause a bad/non idle?

    I rebuilt my Mariner 60 twin and it's been running on a really oily mix, around 35 to 1. It needs choke to start and won't come down to a nice slowish idle. It sort of comes down, then starts to slowly falter, then dies over a course of 10 seconds or so. The idle mix screws definitely affect the...
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    Yamaha tach wiring

    How do I wire this one up? Regards, Andrew
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    Mariner 60 twin video.

    Not enough photos or video on this forum, so thought I'd share. I finally got my 60 twin to run for more than 10 seconds at a a time, plenty of adjsutment of synch to throttle etc got it there It still won't do a nice, slow idle, but I'm getting closer with it. I really need to find a factory...
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    Never overlook proper cranking speed!

    When chasing a no start problem, especially on a two stroke, which needs a high cranking speed to achieve proper dynamic compression. I pulled apart my brand new starter today and found a brush wire crimp barely holding on, it clearly couldn't carry proper current, it had been acting as a...
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    Freakin engine is killing me!

    Sp I rebuild my Mariner 60 twin last summer (6 months ago). At the time, it starts and runs perfectly, I onlu ran it about 30 seconds as I had no lower unit on the leg, so no cooling. Six months on everything all together and it just wouldn't start. I cranked it for several days on and off, best...
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    Mariner 60, fresh rebuild no start.

    I have a 60hp Mariner twin outboard I rebuilt the powerhead on in December, it fired right up at that time and held a good idle etc, although I only idled it about 30/45 seconds at that time. Everything was synched well, carbs nice. Now, I've been trying to start it the last couple of days...
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    Some 60hp powerhead photos

    "I was so impressed with teh l "I was so impressed with teh lack of corrosion on this engine I thought I'd post some photos. Also thought some may be interested to see a 60hp engine's innards. Look how well teh chromate coating in the coolant passages has protected the alloy, and look how...
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    Good source for Mariner twin parts

    "Once again a great Australian "Once again a great Australian company, Golden Seal has come through for me. They were great a few years ago when I was running a 125 redband merc, always had or could get the parts and always the right parts first time. I bought a complete powerhead gasket set...
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    MarinerYamaha twins

    "Just bought a 1984 60 Marine "Just bought a 1984 60 Mariner twin. Looks very similar to the 40 hp mariner twin the boat used to have under teh cowl, except for the carbs and intakes. Leg looks beeffier too. Is the leg/lower unit on these motors similar in any way to inline six gear? Teh...
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