Poulan Pro PPG 6000, Service Manual, Page: 6 / 43

Generator
Maintenance and Adjusting Data
Tolerance Parameters
Parts Item Standard Extreme Max/Min
Max Speed
3750+ 150, No Load
-
Cylinder Pressure
588-
834KPa@600RPM
85-120PSI@600PSI
-
Cylinder Cylinder bore diameter
88.00mm, 3.465" 88.17mm, 3.471"
Warpage
.10mm, .004"
Valve bushing
6.60mm, .260" 6.75mm, .2657"
Outside Diameter of piston skirt
87.985mm, 3.464" 87.85mm, 3.459"
Gap of piston and cylinder
.015-.052mm, .001" .12mm, .005"
Inside diameter of piston pin hole
20.002mm, .787" 20.042mm, .789"
Outside diameter of piston pin
20.00mm, .787" 19.95mm, .785"
Clearance of piston and piston pin hole
.002-.014mm, .0006" .08mm, .003"
Flank clearance of Piston ring
.030-.060mm, .002" .15mm, .006"
Closed gap of the first and second ring
.20-.40mm, .012" 1.0mm, .039"
Closed gap of the oil ring
.20-.70mm, .002" 1.0mm, .039"
Width of the first ring
2.0mm, .079" 1.75mm, .069"
Width of the oil ring
2.8mm, .110" 2.7mm, .106"
Small end diameter
20.005mm, .7876" 20.07mm, .790"
Large end diameter
36.025mm, 1.418" 36.070mm, 1.420"
Large end clearance
.040-.066mm, .002" .12mm. .005"
Large end flank clearance
.1-.7mm, .019" 1.0mm, .039"
Crankshaft Crankshaft pin outside diameter
35.985mm, 1.4167" 35.93mm, 1.4146"
Intake valve adjusted clearance
.15+.02mm,
.006+.001"
Exhaust valve adjusted clearance
.20+.02mm,
.008+.001"
Intake valve stem diameter
6.59mm, .259" 6.44mm, .253"
Exhaust valve stem diameter
6.55mm, .258" 6.40mm, .252"
Valve guide inside diameter
6.60mm, .260" 6.66mm, .262"
Clearance of intake valve and guide
.010-.037mm, .001" .10mm, .004"
Clearance of exhaust valve and guide
.050-.077mm, .002" .12mm, .005"
Valve seat width
1.1mm, .043" 2.0mm, .079"
Spring free length
39.0mm, 1.535" 37.5mm, 1.476"
Intake valve cam height
32.44-32.60mm,
1.279" 32.24mm, 1.269"
Exhaust valve cam height
31.94-32.10mm,
1.260" 31.74mm, 1.249"
Camshaft collar
15.984mm, .6292" 15.92mm, .6268"
Crankshaft case cover Camshaft hole
16.0mm, .6299" 16.05mm, .6318"
spark plug Spark plug gap
0.7-0.8mm, .027-
.031"
spark plug capacity Resistance
7.5-12.5K ohms
Resistance of primary coil
.8-1.0 ohms
Resistance of secondary coil
5.9-7.5 ohms
Air Gap
.4+.2mm, .016+.007"