On 3 engines same bike:
6,000 miles (OEM engine, 2008 BRP requirement @6,000 miles)
12,000
24,000
36,000+ front cylinder exhaust shim
48,000
60,000
72,000+ all front and rear cylinder I and E shims
84,000
98,000 miles (engine #2) (2010 BRP requirement @12,000 miles)
110,000
122,000+ all front...