How many kilometers you have yo change fiat uno 1100 cc timing belt?

Fiat Uno 1100 Engine code 138B.000/048 Check/replace if necessary every 12,000 miles Replace every 36,000 miles Miles to Kilometres conversion Multiply miles by 1.6 to get Kilometres 12,000 mls = 19,200 kms 36,000 mls = 59,600 kms.