2006-2009 Suzuki LT-R450 Service Manual, Page 20Get this manual
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TAPPET SHIM SELECTION TABLE (EXHAUST) ITAPPET SHIM SET NO 12800-4181 0) 1
2.40 2.45 2.50 2.55
2.45 2.50 2.55 2.60
2.50 2.55 2.60 2.65
2.55 2.60 2.65 2.70