PIAGGIO Carnaby 125 - Inspecting the Cylinder Head

Inspecting the cylinder head
Head check
- Using a trued bar and feeler gauge check that the
cylinder head surface is not worn or distorted.
Maximum allowable run-out: 0.05 mm
- Check that the camshaft and the rocker pin ca-
pacities exhibit no wear.
- Check that the cylinder head cover surface, the
intake manifold and the exhaust manifold are not
worn.
Standard diameter
A Ø 12.000 ÷ 12.018 mm
B Ø 20.000 ÷ 20.021 mm
C Ø 37.000 ÷ 37.025 mm
- Using a trued bar and feeler gauge check that the
cylinder head surface is not worn or distorted.
Maximum allowable run-out: 0.05 mm
- Check that the camshaft and the rocker pin ca-
pacities exhibit no wear.
- Check that the cylinder head cover surface, the
intake manifold and the exhaust manifold are not
worn.
Characteristic
Carnaby 125 - 200 Engine
ENG - 143