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    Yamaha 115 V4 2 Stroke 1980's era - Issue at operating tempature

    Hi all, I'm new and I need help; I have a 1986/7 vintage Yamaha 115 V4 2 stroke engine giving me trouble. To start at the beginning the engine overheated and as a result I had to be rebuild in one cylinder. At the time I discovered this one cylinder had no compression and when I dug deeper I...
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    Yamaha V4 115 1986 Fuel problem

    Hi all, I have a problem and require the experts advice again! Last week I put my Yam 115 back on the trailer running perfectly. When I launched it today it ran perfectly for 20min and then ran as though it was starved of fuel for the remainder of the day of either on either of my two tanks...
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    Yamaha 115 V4 cylinder 3 problem

    Help! Hello all can anyone help me with the following?? I had to replace 1 cyclinder number 3 in my yamaha v4 2-Stroke 115 1986. It was bought this way as it overheated. All the hard work is done but it wont run??? Spark is ruled out and it is also getting healthy fuel. Compression.... I...
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