ENGINE
2-27
D569-W02 May-2003
3.2 SERVICING SPECIFICATIONS
A. ENGINE BODY
a . Cylinder Head
0.75 ~ 0.9 mm
0.0295 ~ 0.0354 in.
1.3 ~ 1.5 mm
0.0512 ~ 0.0591 in.
1.15 ~ 1.25 mm
0.0453 ~ 0.0492 in.
3.24 ~ 3.73 MPa
33 ~ 38 kgf/cm
2
469 ~ 540 psi
0.05 mm / 100 mm
0.002 in. / 3.94 in.
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2.55 MPa
26 kgf/cm
2
370 psi
Item
Factory Specification
Allowable Limit
Cylinder Head Surface Flatness
Top Clearance
Cylinder Head Gasket Thickness Free
Tightened
Compression Pressure
(When cranking with starting motor)
* Variance of compression pressure among cylinders should be 10% or less.
b. Valves
0.25 mm 0.0098 in.
0.30 mm 0.0118 in.
1.047 rad. 60°
0.785 rad. 45°
1.047 rad. 60°
0.785 rad. 45°
0.2 ~ 0.5 mm
0.0079 ~ 0.0197 in.
0.040 ~ 0.070 mm
0.00157 ~ 0.00276 in.
7.960 ~ 7.975 mm
0.31339 ~ 0.31398 in.
8.015 ~ 8.030 mm
0.31555 ~ 0.31614 in.
0.8 mm
0.0315 in.
0.10 mm
0.0039 in.
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-
Item
Factory Specification
Allowable Limit
Valve Clearance (Cold)
IN.
EX.
Valve Seat Angle
IN.
EX.
Valve Face Angle
IN.
EX.
Valve Recessing
Clearance Between Valve Stem and Valve
Guide
Valve Stem O.D
Valve Stem I.D
c. Valve Timing
0.140rad 8° before T.D.C
0.611rad 35° after B.D.C
0.785rad 45° before B.D.C
0.140rad 8° after T.D.C
Item
Factory Specification
Allowable Limit
Inlet Valve
Open
Close
Exhaust Valve
Open
Close
015 mm 0.0059 in.
0.15 mm 0.0059 in.
1.047 rad. 60°
0.785 rad. 45°
1.047 rad. 60°
0.785 rad. 45°
0.2 ~ 0.5 mm
0.0079 ~ 0.0197 in.
0.040 ~ 0.070 mm
0.00157 ~ 0.00276 in.
7.960 ~ 7.975 mm
0.31339 ~ 0.31398 in.
8.015 ~ 8.030 mm
0.31555 ~ 0.31614 in.
4A220
4A200T
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www.mymowerparts.com
K&T Saw Shop 606-678-9623 or 606-561-4983
Summary of Contents for 8454
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Page 8: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 9: ...CHAPTER 1 GENERAL INFORMATION www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 10: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 22: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 23: ...CHAPTER 2 ENGINE www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 24: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 56: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 90: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 91: ...CHAPTER 3 CLUTCH www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 92: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 105: ...CHAPTER 4 TRANSMISSION SYSTEM www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 106: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 175: ...CHAPTER 5 FRONT AXLE www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 176: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 195: ...CHAPTER 6 HYDRAULIC SYSTEM www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 196: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 280: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 281: ...CHAPTER 7 BRAKE www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 282: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 299: ...CHAPTER 8 ELECTRIC SYSTEM www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 300: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 315: ...CHAPTER 9 CABIN SYSTEM www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...
Page 316: ...www mymowerparts com K T Saw Shop 606 678 9623 or 606 561 4983 ...