Honda BIG RED 2009 Owner's Manual page 233

Quick Reference
Tires
Tire Pressure (cold)
Spark Plugs
Coolant
Fuses
Quick Reference
Front & Rear
25 10.00 12 NHS
2P.R.KT953
Front & Rear
10 psi (70 kPa)
standard:
BKR5E-11 (NGK) or
K16PR-U11 (DENSO)
Ethylene glycol antifreeze (silicate-
free) for aluminum engines in 50/50
solution with Pro Honda HP Coolant
or an equivalent distilled water
main: 30A
circuit: 15A 2 , 10A 4