1997 Yamaha YFM600FWAK ATV Service Manual, Page 97Get this manual
TIRE INSPECTION
2)Tire pressure below the minimum specification could cause the tire to dislodge from the rim under severe riding conditionsThe following are minimums: Front 27 kPa (0.27 kgcm2, 3.9 psi) Rear 24.5 kPa (0.245 kgcm2, 3.5 psi) 3)Use no more than Front 33 kPa (0.33 kgcm2, 4.7 psi) Rear 30.5 kPa (0.305 kgcm2, 4.3 psi) when seating the tire beadsHigher pressures may cause the tire to burstInflate the tires slowly and carefullyFast inflation could cause the tire to burst MAXIMUM LOADING LIMIT 1)Vehicle load limits: 220 kg (485Ib)Total weight of the cargo, trailer hitch vertical load, rider, and accessories2)Storage box: kg (4.4 Ib) 3)Trailer hitch: Horizontal load: 550 kg (1,212 Ib) Total weight of the trailer and cargoVertical load: 15 kg (33 Ib) Vertical weight on the trailer hitch jointBe extra careful of the machine balance and stability when towing trailer