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  1. M

    Why o' why?

    Is it possible that all the extra oil has been diluted with fuel ..... does it smell like oil. Its not unheard of for leaky float valves to allow fuel to drain into motor and dilute the oil
  2. M

    Yamaha 8 HP 4 stroke oil collection in cowling, housing

    Check its not coming out the crankcase breather , and that oil level is correct , measure the amount of oil recommended rather than rely on dipstick .
  3. M

    200 hp Saltwaterseries lift motor engaging on its own.

    If the trim switch seems sensitive ..... thats a good indicator that the switch is faulty and ,in this instance it shouldnt be to hard to prove . I think the point others are trying to make is that .... well imagine that the harness to that switch is worn thru some distance from the switch and...
  4. M

    Prop Shear Pin Needed

    Even a brass bolt the correct dia can be used , just cut the head and thread off
  5. M

    BF25D won't get above 1600 RPM

    A couple of things to check , is it actually getting full throttle at the carbs ( check the linkages to verify the throttle shafts turn nearly 90 deg . Is it running on all cylinders at full throttle ( it may idle on all cylinders but not at full throttle )
  6. M

    M15D2 Excess Fuel in Lower Cylinder

    Both pots will fire at the same time . Its called wasted spark . Rather than have a sensor for each pot they have only one and it fires the (dual )coil every 180 deg with one plug sparking harmlessly at BDC. When testing for spark both plugs need to be earthed or neither of them will...
  7. M

    Bad CDI?

    if you can replicate the fault by squeezing the cdi module , plus the thing working when warmed up ( the change in the temp of the cdi can cause things to "move about " ) makes me think of a dry joint somewhere in the cdi . Depends how brave you are :) , but I would have a look for dry...
  8. M

    M15D2 Excess Fuel in Lower Cylinder

    Broken reed valve petal ?
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