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1986 Yamaha Moto 4 Air Filter Box

VFWVET

By VFWVET
in Yamaha ATV Forum

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VFWVET

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Just purchased one of these and I have a few questions:  Went to change the air filter and it fell apart, but there were two pieces of the foam wrapping the wire cage - Normal?  In addition there was about an inch of oil in the bottom of the air filter box - again - Normal?  The backing piece of plastic for the wire cage was laying in the bottom of the filter box and the bolt was also in the oil.   I am also looking for a recommendation on what to do with the machine as far as maintenance, it runs well, shifts fine, needs a new battery, but what else should I be checking?  The previous owner had it for over 25 years and does not have any records or memory of the last oil change or any other maintenance other than needing to replace the battery a couple of years ago and placing a car battery on the front rack and running wires to the starter.   Learning curve is sharp, but looking forward to the experience.   Thanks for your input.  

  • Ajmboy changed the title to 1986 Yamaha Moto 4 Air Filter Box
VFWVET Apprentice

VFWVET

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Posted (edited)

Thanks for the information, but it appears I am not allowed to download files.   I tried changing the oil today, and what appears to be the drain plug in the dark pictures of the manual does not have a nut pattern, it is completely round.   The plug appears to be located down and forward of the oil filter cap - am I trying to loosen something I am not supposed to remove?  I will attempt to upload a photo showing the area I am talking about.  

Moto4oilredarrow.jpg

Edited by VFWVET
  • 5 months later...

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