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    Help with Tachometer installation

    I'm in the process of installing a "Teleflex Marine" tachometer on my Mercury 4-stroke 50 HP O/B. The instructions say to set a small dial on the back of the Gage to "1/2 number of Alternator poles." Have no idea what an Alternator pole is or how many my engine has. Anybody know what I'm...
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    Prop for 50HP Mercury 4 stroke

    Hello, I recently purchased a 2000 Sylvan aluminum fishing boat with a 50 HP Mercury 4 stroke engine, model 50 ELPT 4 S. According to the sticker on the lower unit the engine is supposed to use a 12X22 prop. I can't find any markings whatsoever on the prop so I'm not sure if it's the original...
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    Compression for 50 HP Merc 4 stroke

    Hello, Recently purchased a 2000 16 Sylvan aluminum fishing boat with a 50 HP Mercury 4 stroke engine, model # 50 ELPT 4s. Engine starts easy and runs smooth. However, it is extremely slow out of the hole and only has a top speed of 27 MPH according to boat speedo when trimmed out. I'm not...
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