Exmark 127-9041 Service Manual page 7

34 Cylinder Head
35 Oil Filter
1.2 Engine Specifications
Part
Engine
Cylinder head
Sleeve Taper / Out of Round
Cylinder
Skirt outside diameter
Clearance to cylinder
Piston
Piston pin bore inside diameter
Piston – pin clearance
Piston pin
Outside diameter
Ring to Groove (Top and Middle
End gap (top and middle )
Piston ring
Width (top)
Width (second)
Width (oil ring)
Small end inside diameter
Connecting rod
Big end inside diameter
Big end side clearance
Crankshaft
Connecting Rod Journal Diameter
Clearance(cold) (intake)
Clearance(cold) (exhaust)
Valve
Stem diameter (intake)
Stem diameter (exhaust)
Inside diameter (intake, exhaust)
Valve guide
Stem to guide clearance (intake)
Stem to guide clearance exhaust)
Valve seat
Seat width
Valve spring
Free length
Height (intake)
Cam shaft
Height (exhaust)
Outside diameter (bearing)
Stud Bolt M8×39
Nut M8
/
Item
Ile speed
Operating RPM
Warpage
3.0315"-3.0319" (77 – 77.01 mm)
(Inside Diameter)
3.0301-3.0305" (76.965-76.975 mm)
0.00098-0.0017" (0.025-0.045 mm)
0.66937- 0.66961" (17.002-17.008 mm)
0..00016-0.00063" (0.004-0.016 mm)
0.6689-0.6692" (16.992-16.998 mm)
0.6695-0.670" (17.006-17.017 mm)
1.5735-1.5744" (39.966-39.991 mm)
Standard
P/N 127-9041
1800 RPM's
3600 RPM's
0.0008-0.0024" (0.02-0.06 mm)
0.0079-0.01578" (0.20-0.40 mm)
0.0382-0.0390" (0.97-0.99 mm)
0.0460-0.0469" (1.17-1.19 mm)
0.0650-0.0728" (1.65-1.85 mm)
1.575-1.576" (40.015-40.025 mm)
0.0010-0.0031" (0.024-0.079 mm)
0.004-0.006" (0.10-0.15 mm)
0.006-0.008" (0.15-0.20 mm)
0.258-0.259" (6.565-6.58 mm)
0.257-0.258" (6.545-6.56 mm)
0.259-0.260" (6.6-6.615 mm)
0.0008-0.0020" (0.02-0.05 mm)
0.0016-0.0027" (0.04-0.07 mm)
0.0027-0.0031" (0.7-0.8 mm)
1.55-1.60" (39.5-40.5 mm)
1.15-1.18" (29.95-30.05 mm)
1.15-1.18" (29.95-30.05 mm)
0.628-0.629" (15.966-15.984 mm)
Maintenance
11 Ft. Lbs. 14 N.m
13 Ft. Lbs. 17 N.m
9 Ft. Lbs. 12 N.m
Service Limit
P/N 127-9041
+ or – 100 RPM's
+ or – 50 RPM's
0.0020" (0.05 mm)
3.0354" (77.1 mm)
3.0219" (76.755 mm)
0.01000" (.255 mm)
0.67402" (17.12 mm)
0.0014" (0.029 mm)
0.6654" (16.9 mm)
0.0043" (0.11 mm)
0.0177" (0.45 mm)
0.0354" (0.9 mm)
0.0433" (1.1 mm)
0.0630" (1.6 mm)
0.6712" (17.05 mm)
1.577" (40.065 mm)
0.0051" (0.129 mm)
1.555" (39.5 mm)
－
－
0.256" (6.515 mm)
0.258" (6.495 mm)
0.262" (6.665 mm)
0.006" (0.15 mm)
0.007" (0.17 mm)
0.051" (1.3 mm)
1.535" (39 mm)
1.17" (29.75 mm)
1.17" (29.75 mm)
0.626" (15.916 mm)