Cub Cadet Challenger 750

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