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GS650G range

  • Thread starter Thread starter renegadmonk
  • Start date Start date
My suggestion: Gas up at no more than 130 miles until you have some experience with it. Use the trip meter to tell you when to fuel up. The tank is advertised to hold 4.2 gallons, but I never got more than 4.05 in mine. (Never ran it dry to find out for sure) and usually only 3 3/4.

I have several magazine reviews of the 1981 GS650G. A photo of the instrument cluster shows no fuel gauge, and the text's description of the instrument cluster does not include a fuel gauge. My 1982 GS650G had a fuel gauge.

My 650G never got less than 40 mpg, city or highway. For most of the miles I rode it, I got 42 to 44 mpg. At about 7K miles, mileage jumped (in a single tank) to 55 or so mpg, and stayed there for 6K miles. I think that it took that long for the rings to seat completely. Later, I had to store the bike for several years. I had a Suzuki dealer take care of it, and he basically poured oil in everything, as far as I can tell. After it came out of storage, it never got above 47 mpg again. Power was still there, but not the high mileage.
 
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