Valve clearance adjustment
Remove saddle and tank as outlined in the relevant paragraphs.
Remove spark plug (1), both head cover screws (2) and head cover (3).
Engage the 2nd gear and push and pull the motorcycle back and forth to bring
the piston to Top Dead Centre. In this condition, the holes (4) in the camshaft
gears will be located at the positions shown.
Cover parting line "A" is visible through the holes (4).
Use a feeler gauge to make sure clearance is 0.15 mm on the INTAKE side and
0.20 mm on the EXHAUST side.
If not so, remove the shim from under the valve bucket and measure its thick-
ness.
Depending on what you nd, replace the shim with a new shim with the required
thickness to achieve correct clearance (replacement shims are available in a
1.60 mm to 2.60 mm thickness range, in 0.05 mm increments).
Check valve clearances again. If clearances are correct, ret the parts you have
removed reversing the disassembly procedure.
For camshaft disassembly and reassembly, see Section “F” Engine disassembly
and Section “H” Engine assembly.
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