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  1. P

    Yamaha Throttle Control Wires...Help

    I hooked up a tach which connected to three wires coming out of the control box. There are three more wires that are unused. They are pink, yellow, and black. What do these wires operate? Or where can I find information on this. Thanks in advance
  2. P

    prop question

    I have a SS prop from an 81 140hp envrinude. I was wondering if it could be used on a 93 115hp yamaha. Thanks in advance.
  3. P

    gas/oil ratio for 1981 140hp

    was thinking 50:1?
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