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  1. R

    Oil injector 2psi check valve correct direction.

    There is a new replacement check valve on this 86 Mercury 150 xr2, installed by previous owner. Either the Mercury parts book is drawn incorrectly or it’s install on my motor wrong. I just can’t see how the parts book drawing could be correct, with the check valve end going to the small...
  2. R

    86' Mercury 150 xr2 V6 pre mixed fuel blowing out of positive pressure ports of crankcase

    I have pre mixed fuel blowing out of positive pressure ports of the crankcase on a 1986 Mercury 150 V6 XR2. I noticed the fuel spraying out of the oil injection pressure line port on the motor to the 3 gallon oil reserve tank after the oil reservoir was slow to fill, also found premix in the...
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