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  1. M

    Yamaha cavitation plate repair

    A pic would be great Can you not just fit one of them bolt on cavitation plate extention fins ? I have a " Permatrim " on my Honda or am I missing something ( thats not my boat .... just an image off the net )
  2. M

    Deep Cycle Battery not good for starting??

    I use a solar panel and budget charge controller to charge my extra batteries when the boat is parked between outings.
  3. M

    M15D2 Excess Fuel in Lower Cylinder

    My feeling is that there may have been another issue close to the main jet ....like maybe it wasnt tight or sealing around the base of the jet allowing extra fuel to bypass the jet , or a blocked air corrector jet. If there is raw fuel ( as opposed to atomised fuel ) flooding the inlet it...
  4. M

    Tohatsu M70B Cylinder Head

    The bore of your engine is 74mm..... so is the 60hp so Im thinkin that head would fit too , as long as its about the same age . Usually a good eyeballing will show if it will fit ( get lots of pix if buying one remotely ), it will be either the same or wildly different . Some of these...
  5. M

    2015 Honda BF90 won't start

    Sounds like a flat battery .... or a bad connection . Was the new battery delivered charged ? If it really is showing 12v then it probly needs charged . It should show better than 12.6v , 13v would be good . I know it doesnt sound much but it makes me think that the battery is flat. Hook...
  6. M

    Winterize Tohatsu 50hp 4-stroke on boatport . . .

    I dont really have a freezing issue here in south NZ (I did loose my waterblaster pump a year or 2 ago ) so not a lot of experience but I cant see an issue with drilling a drain hole as racerone says , granted you would have to be careful as to just where the hole is put (as MattFL says )...
  7. 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
  8. 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 .
  9. 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...
  10. M

    Prop Shear Pin Needed

    Even a brass bolt the correct dia can be used , just cut the head and thread off
  11. 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 )
  12. 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...
  13. 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...
  14. M

    M15D2 Excess Fuel in Lower Cylinder

    Broken reed valve petal ?
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