2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 90Get this manual
MAINTENANCE The engine con tains sufficient am ou nt of oil if the oil level is between he pper and lower level ma rks on he dipstickDIPSTICK
UPPER LEVEL LOWER LEVEL If the oil level is near or below the lower level mark, remove he il iller cap cover and oil fil ter cap, and add th recom me nded eng in oi up to he uppe level arkRECOMMENDED ENGINE Oil: Pro Honda GN4 or HP4lwithout ol ybd enum
add it ives 4stro ke il (U.S .Aa nd Can ada )or Hond 4-st rokeoill Canad on ly), equiva lent
m otorcycle il
API service classificat io n: SG hig he [except oi ls lab el ed as energy co nserving on th circular API se rvice la el]
JASO 903 st andardMA
Visco sit y; SAE 10W405W-30
Other viscos ities sho wn in the chart may be used when he average te perature in your riding area is within the nd icat ed rangeReinsta ll he oil fille cap, oil tiller cap coyer and dipstick