SPEC
MAINTENANCE SPECIFICATIONS
2-3
MAINTENANCE SPECIFICATIONS
ENGINE
Model
YN50R
Cylinder head:
Warping limit
0.02 mm
* The lines indicate the measurement
Cylinder:
Internal diameter
39.993 ~ 40.012 mm
<Limit>
<40.1 mm>
Taper limit
0.05 mm
Eccentricity limit
0.01 mm
Piston:
Piston size
39.952 ~ 39.972 mm
Measurement point
5 mm
Piston clearance
0.034 ~ 0.047 mm
First clearance
40.50 mm
Piston ring:
Cross section
1.5 x 1.8 mm
B x T
Distance between ends
(installed)
0.15 ~ 0.35 mm
<Limit>
<0.6 mm>
Lateral clearance
0.03 ~ 0.05 mm
Crank shaft:
Width of crank shaft “A”
37.90 ~ 37.95 mm
Deflection limit “C”
0.03 mm
Connecting rod big
end clearance “D”
0.2 ~ 0.5 mm
Free play from small end “F”
0.4 ~ 0.8 mm
Free play “E”
0.004 ~ 0.017 mm
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Инструкции и руководства похожие на YAMAHA NEOS 50 YN50 (2002)
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