S90 Maintenance Specs

I'm just starting to put this list together as I get acquainted with the new bike.

Item	Specification
Battery	6N6-1B (6 volt, 6 amp hours)
Tires	Front: 2.50-18 Cheng Shin C223 rib style Rear 2.50-18 IRC NR-2 universal style Another option is the IRC NR-53 front and rear in 2.50-18
Motor Oil	SAE 20 (below 60 deg F), SAE 30 (above 60 deg F), or SAE 10W30