Services TIRE CHANGING : $ 12.00 PER SET. FUN KART TIRE'S: $ 20.00 EA. FRONT END LAZER ALIGNMENT: $ 30.00. KART SCALING: $ 60.00. SEAT INSTALATIONS: $ 60.00. KART CLEANING AND RACE PREP: $ 150.00 CHASSIS STRAIGHTNING: $ 200.00. KART ASSEMBLY'S: $ 350.00 100CC/125CC TOP/BOTTOM REBUILD: $ 200.00 + PARTS. CARBURETOR REBUILD'S: $ 20.00 + PARTS. CLUTCH REBUILD'S: $ 30.00 + PARTS. GENERAL LABOR RATE $ 60.00 PER HOUR