ATV 200 - Page 20

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StandardItem
Limit value
Valve spring
Outside spring:
Free length:intake/exhaust
Setting length when valve is closed:
Compressing pressure when asembling:intake/exhause
Limit value of squareness:intake/exhaust
Twisting direction of spring(top view):intake/exhaust
Valve,Valve seat,valve guide
Valve clearance(it s cold):intake
exhaust
Size of valve
“A”diameter of valve head
“B” width of valve face
“C” width of valve seat
“D”limit thickness
Outside diameter of valve stem
Inside diameter of valve guide
Clearance between valve stem and guide:exhaust
intake
Roundness of valve seen
exhaust
intake
intake/exhaust
intake/exhaust
intake/exhaust
exhaust
intake
intake/exhaust
Piston ring
First ring
Type
Size(B ¡ÁT)
Clearance of endface(in assembling)
Clearance of side(in assembling)
Second ring
Size(B ¡ÁT)
Clearance of endface(in assembling)
Oil ring
Type
Size(B ¡ÁT)
Clearance of endface(in assembling)
Clearance of side(in assembling)
37.2mm
32.0mm
162.8-200.1N
Clockwise
0.05-0.09mm
0.11-0.15mm
28.4-28.6mm
33.9-34.1mm
1.7-2.8mm
0.9-1.1mm
0.8-1.2mm
5.960-5.975mm
5.975-5.990mm
6.000-6.012mm
0.025-0.052mm
0.10-0.037mm
Bucket-shaped back round
1 ¡Á2.5mm
0.25mm
0.035mm
Flat type
1 ¡Á2.6mm
0.25mm
0.035mm
2 ¡Á1.78mm
0.4mm
2.5¡ã/1.6mm
1.6mm
0.10mm
0.08mm
0.03mm
0.35mm
0.05mm
0.35mm
0.05mm
0.7mm