See the fan replacement thread below. Dianna has a recommendation in the fourth or fith thread down about coolant and additives.
05 VN 750
KURYAKYN grips, helmet locks, and highway pegs
Saddleman saddlebags/sissybar bag
Highwayman gelseat with Protac backrest
self canx turnsignals
Diamondstar headlight modulator
Jardine 2 into 2
MCC turn signal relocator and floorboards
Extended passenger backrest
KURYAKYN LED voltmeter
Custom tank bra with analog clock
Snider paint protector on tank side
130 DB horns
ahh cool i just had a scare. Yesterday I picked up my bike from my buddies house and he said that he filled the coolant in it. He used regular antifreez that is safe for aluminum and other metal componet engines.