Yamaha MBK YQ100 Manuale di Servizio Pagina 21

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SPEC
2-4
Cylinder head:
Warp limit *** 0.02 mm
* Lines indicate straight edge
measurements.
Cylinder:
Bore size 52.002 ~ 52.012 mm ***
Taper *** 0.05 mm
Piston:
Piston clearance 0.044 ~ 0.045 0.10 mm
Piston size 51.958 ~ 51.967 mm ***
Measuring point* 10 mm ***
Oversize: 1
st
52.52 mm ***
2
nd
52.50 mm ***
Piston rings:
Sectional sketch (BxT)/Type:
Top ring 1.2 x 2.05 mm/keystone ***
2nd ring 1.2 x 2.05 mm/keystone ***
End gap (Installed):
Top ring 0.15 ~ 0.35 mm ***
2nd ring 0.15 ~ 0.35 mm ***
Side clearance (Installed):
Top ring 0.03 ~ 0.05 mm ***
2nd ring 0.03 ~ 0.05 mm ***
Piston pin:
Outside diameter 13.996 ~ 14.000 mm 13.975 mm
Piston pin to piston clearance 14.004 ~ 14.015 mm 14.045 mm
MAINTENANCE SPECIFICATIONS
ENGINE
MAINTENANCE SPECIFICATIONS
Model Standard Limit
B
T
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