Cub Cadet Challenger Series Service Manual page 45

Item
Cam
Dimensions
Intake
Exhaust
Camshaft
Run out
limit
Cam Chain:
Number of links
Adjustment Method
Rocker arm
Inside diameter
Rocker shaft outside
diameter
Arm to shaft
clearance
Valve Dimensions
"A" Head Diameter
Ex
750 UV Engine Specifications
Metric
"A" 30.06-30.16mm (1.1835-1.1874in)
"B" 35.69-35.79mm (1.4051-1.4091in)
"A" 30.11-30.21mm (1.1854-1.1894in)
"B" 36.50-36.60mm (1.4370-1.4409in)
Automatic
12.000-12.018 mm (0.4724-0.4731 in)
11.976-11.991 mm
0.009-0.042 mm
IN 29.9-30.1mm
31.9-32.1mm
Standard
130
(0.4715-0.4721 in)
(0.0004-0.0079 in)
(1.1772-1.1850 in)
(1.2559-1.2638 in)
2-4
Service Wear
Limit
29.96mm(1.1795in)
35.59mm(1.4012in)
30.01mm(1.1815in)
36.40mm(1.4331in)
0.03mm (0.0012in)