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    2008 Yamaha F40 running rough

    I recently purchases a fishing boat with a 2008 Yamaha 40 4-stroke model F40BMLH. This is the first 4-stroke that I have owned. I have had it out three times trolling in the last three weeks. The motor starts up on the first pull and I let it warm up, as recommended. It seems to have plenty...
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    2008 Yamaha F40 install the optional rectifier/regulator

    I recently purchased a 2008 Yamaha F40. This is the manual start with a tiller arm. I read in the owner's manual that an optional rectifier/regulator can be installed so one can charge a battery for electronics, lights and electric trolling motor. So I purchased a kit and got it in the mail...
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    1978 Evinrude 70 exhaust gasket

    I just took off my exhaust manifold to replace the gaskets(I had moister getting into the #3 cylinder). I was pretty happy when I saw that I was right about the gaskets being broke. Amazingly the old part number is still on the gasket(317227) I noticed that the gasket that replaces this part...
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    Replacing Exhaust Gaskets on 1978 70hp

    I have a 1978 70 hp Evinrude (model #70873c). In diagnosing some acceration and idling problems, I noticed some moister in the #3 cylinder when I removed the spark plug. I figure it is a faulty head gasket or exhaust manifold gasget. I have order a head gasket and head cover gasket as well as...
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    Lower units compatable for an Evinrude 70

    I have heard that the lower units for a number of different years for the Evinrude 70s are the same. I have an 1978 Evinrude 70 mod# 70873C with a sheared shaft at the spline in the lower unit. I really don't want to tear into it right now to verify the condition of the gear cluster and see if...
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