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    Quicksilver Optimax / DFI oil for premix use?

    Hello guys, My friends Merc. Optimax 115 outboard is stolen, and now he bought a fourstroke Yamaha. He has still 4 gallons of Quicksilver Optimax/DFI synthetic blend 2-cycle oil left, and does'nt need it anymore of course... I have a Yamaha c85 without the autolube (1991) My question is: Is...
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    1991 Yamaha 85HP

    Hi all, My 1991 Yamaha 85HP is not equipped with an autolube system ,thank god, but is there anyone who can give me a decent advice about mixing the fuel? My dealer told me this model Yamaha is an Endurance motor (??) and built for the 1:50 pre-mix. Another dealer says that all Yamaha 2-stroke...
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    setting on tacho switch

    Hi all, I'm busy with an original Yamaha digital trim/tacho switch on my 85hp 1991 yamaha outboard. I have everything working, but don't know how to set the switch on the back of the gauge. If I switch it while motor is running I would say "no 12" is the right one, but I am not sure. The boat...
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    what year and model?

    Last week i bought a new prop for my motor. I told the guy in the shop it was for a 1990 Evinrude 140 VRO. When he saw it. he told me it was an 1989 model... My modelnumber is BE140TLCEB and the serial number is QO2351823 My bill of sale says its from march 1990. Is my boatshop right and my...
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    1990 Evinrude 140HP VRO

    I'm having a problem with my Evinrude. Since the last 2 runs with my boat, the motor jumps out of his gear on full throttle. When i take it back to neutral and shift it in gear again, it has the drive back, but when i give it full power again, it jumps out again... When i take it to full speed...
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