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  1. W

    to look at the valves I need to remove the exhaust covers....right?

    The exploded view of my 70 yamaha shows inner and outer exhaust covers....I just want to verify that these are what I need to take off to check out the valves, and not the cylinder head cover. Not that I know what 'check the valves' really entails. I need to put the bad cylinder into...
  2. W

    is a valve cover the same as a cylinder cover?

    I have been asked to remove the valve cover and look at the valves...but, stupidly, can't find it/them in the SELOC diagrams for my 70hp 2-stroke outboard. help?
  3. W

    is the 703 remote control box compatible

    Is the 703 remote control box that we have with our yamaha 70hp 2-stroke (1997), compatible with our new yamaha 60hp 4-stroke (~2006)?? Also, what needs to be done to convert the new 60hp 4-stroke from tiller to remote control?? I'm worried that the 2-stroke is on its last legs and that we...
  4. W

    70hp yamaha 2-stroke compression test

    Is it mandatory to ground the plug wires when doing a compression test? Or can I just engage the kill switch? (remove the little red clip under the key start) thanks!
  5. W

    1997 70hp Yamaha 2-stroke throttle adjust question

    We recently started having problems with our 70hp outboard engine. It started fine in the morning, ran great for 30 minutes (cruising time to our first site), and then wouldn't start up again after sitting for an hour or so. I checked all the plugs, the fuel filter, and the battery...
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