Motorhispania MH7 Naked, Руководство по ремонту

Страница: 83 / 138

92
6 ENGINE
CHECKING THE CYLINDER
• The cylinder should show no traces of scoring
or seizure.
• Cylinder diameter: 54.000 to 54.018 mm.
CHECKING THE PISTON
• The piston should show no traces of scoring or seizure.
• The rings must be free in their grooves.
• Measure the piston diameter at 4.5 mm from the
piston skirt.
• Piston diameter: 53.977 to 53.996 mm.
• Cylinder & piston set: 0.020 to 0.028 mm.
• Utilisation limit: 0.15 mm.
CHECKING THE PISTON RINGS
• Carefully remove the piston rings.
• Place a ring in the bore parallel to it and measure the
gap using a feeler gauge.
• Piston ring gap: 0.15 to 0.30 mm.
• Utilisation limit: 0.4 mm.