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  1. coolkook

    not sure where to post this...tank issue

    Anyone have any tricks or tips to correct the gas cap issue on new tanks not venting correctly...plastic tank blows up like baloon on hot days and seems this is normal for this new type of tank....?
  2. coolkook

    rpms just dropped outa nowhere

    1977 mercury 850...so was out on the bay today..was out a cpl hours no prob..had lunch then headed home...was running about 20mph "not WOT" cause it was kinda choppy...out of knowwhere the rpms just dropped and we limped home at 6mph...when i got home i put engine in gear out of the water...
  3. coolkook

    40:1 ratio ok in merc 850 ?

    Just wondering if running mix at 40:1 will be ok..1977 mercury 850 85hp
  4. coolkook

    1970 80hp LU to a 1977 85hp doable ?

    Ty all for all the replies to my posts..so my lower unit is toast..its a 1977 850 85hp...i found what i beleive is a 1970 80hp lower unit...does anyone know if the 1970 80hp lower unit will fit the 1977 85hp LU
  5. coolkook

    1977 850 idle gear question

    I have a mercury 850...when engine is off in neutral prop spins freely...when i put it in forward or reverse gear prop will not spin freely....does this indicate the motor is going into gear ? The issue im having is when motor is running and put into gear..prop dosent go into gear..i cant seem...
  6. coolkook

    float pin drops out when bowl is dropped ?

    1977 mercury 850...wont idle.so i dropped one of the float bowls to see how dirty it was...super clean..looks like it was serviced recently..btw just bought it....anyways..when i dropped the float bowl the float pin dropped into bowl...is this normal? ...i put it back in place with rubber...
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