2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 169Get this manual
1D-27 Engine Mechanical: Camshaft journal wear Inspect the camshaft journal wear in the following procedures: 1) Determine whether or not each journal is worn down to the limit by measuring the oil clearance with the camshaft installed in place2) Use the plastigauge to read the clearance at the widest portion, which is specified as followsSpecial tool (A): 0990022301 (Plastigauge (0.025 0.076 mm)) (B): 0990022302 (Plastigauge (0.051 0.152 mm)) Camshaft journal oil clearance (IN& EX Service limit: 0.150 mm (0.0059 in)
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7) If the camshaft journal oil clearance exceeds the limit, measure the inside diameter of the camshaft journal holder and the outside diameter of the camshaft journalReplace the camshaft or the cylinder head depending upon which one exceeds the specificationSpecial tool (C): 0990020602 (Dial gauge (11000 mm, mm)) (D): 0990022403 (Small bore gauge (18 35 mm)) Camshaft journal holder I.D(IN& EX Standard: 22.012 22.025 mm (0.8666 0.8671 in) Special tool (E): 0990020205 (Micrometer (0 25 mm)) Camshaft journal O.D(IN& EX Standard: 21.972 21.993 mm (0.8650 0.8659 in)