My brother recently purchased a 2007 Honda Ruckus scooter and, as with almost all mechanical systems in the family, I'll be doing some work on it. Scooter has just a little over 900 miles on it and the previous owner stated he changed the oil at its initial 600 mile interval (the regular OCI's are 2500 miles/6 months per the manual) but would like to do a short change at 1000 miles as this oil has been in the sump a while. Manual is specific about using an API SJ rated, non-energy conserving 10W-30 oil though. Like to know if anyone might know of an HDEO or compatible MC/ATV oil.