SAFARI BSVI SERVICE MANUAL

WHEELS AND TYRES 7 C. WEAR CAUSES PROBLEM CAUSE PATTERN Shoulder Wear Both Shoulders wearing faster than the centre of the tread 1. Under Inflation 2. Repeated high-speed cornering 3. Improper matching of rims and tyres 4. Tyres haven't been rotated recently Centre Wear The centre of the tread is wearing faster than the shoulders 1. Over-inflation 2. Improper matching of rims and tyres 3. Tyres haven't been rotated recently One-sided wear One side of the tyre wearing unusually fast 1. Improper wheel alignment (especially camber) 2. Tyres haven't been rotated recently Spot wear A part (or a few parts) of the circumference of the tread are wearing faster than other parts. 1. Faulty suspension, rotating parts or brake parts 2. Dynamic imbalance of tyre/rim assembly 3. Excessive run out of tyre and rim assembly 4. Sudden braking and rapid starting 5. Under inflation Feather-edged wear The blocks or ribs of the tread are wearing in a feather-edge pattern 1. Improper wheel alignment (faulty toe-in) 2. Bent axle beam