Linhai 2005 ATV 260, Service Manual

Page: 40 / 341

CHAPTER 3A ENGINE
260/ 300 cc ATV SERVICE MANUAL07.0
CHAPTER 3 ENGINE PAGE. 3A- 3
I t e m
Standard Limit
Stem-to-guide clearance IN
EX
Stem runout limit
IN
Valve seat width EX
0.010- 0.037 mm
0.025-0.052 mm
…
0.9-1.1 mm
0 .9-1.1 mm 0.08 mm
0.1 mm
0.01 mm
1.6 mm
1.6 mm
Valve spring :
Free length (Inner) IN/EX
(Outer) INEX
Set length (valve closed) (Inner) IN/EX
(Outer) IN/EX
Com pressed pressure (Inner) IN/EX
(Outer) IN/EX
Tilt limit (Inner) IN/EX
(Outer) IN/EX
38.1 mm
36.93 mm
30.1 mm
31.6 mm
7 .8- 9.0 kg
37.22-42 .83 kg
…
…
361 mm
35.0 mm
…
…
…
…
2.5
°
/1.7mm
2.5
°
/1.7mm
Piston:
Piston to cylinder
clearance
Piston size "D"
Measuring point "H"
Piston pin bore
inside diameter
Piston pin outside diameter
0.02 - 0.04 mm
260;69.965-69.980 mm
300;72.465-72.480 mm
5mm
17.004-17.015 mm
16 .991-17 .000 mm
0.15m m
…
…
17.045 mm
16 .975 mm
Piston rings :
Top ring :
Type
End gap (installed)
Side clearance (installed )
2nd ring :
Type
End gap (installed)
Side clearance
Oil ring :
End gap (installed)
Barrel
0.15- 0 .30 mm
0.04- 0.08 mm
Taper
0 .30- 0 .45 mm
0.03 - 0.07 mm
0 .2- 0.7 mm
…
0 .45 mm
0 .12 mm
…
0.7 mm
0.12 mm
…
Crankshaft:
Crank width "A"
Runout limit "C "
59.95-60.00 mm
…