Cub Cadet MTD 70 Series - Manual (Page 123)

Crankshaft, piston and connecting rod
117
Cam shaft bearing ID
(sump) 0.559 14.200 0.560 14.218 0.559 14.200 0.560 14.218
Intake lobe rise 0.213 5.400 0.228 5.800 0.237 6.020 0.239 6.060
Intake lobe base circle
diameter 0.433 11.000 0.433 11.000 0.433 11.000 0.433 11.000
Exhaust lobe rise 0.217 5.500 0.232 5.900 0.220 5.900 0.235 5.980
Exhaust lobe base circle
diameter 0.433 11.000 0.433 11.000 0.433 11.000 0.433 11.000
Compression ring end
gap 0.006 0.150 0.012 0.300 0.006 0.150 0.012 0.300
Scraper (second) ring
end gap 0.006 0.150 0.012 0.300 0.006 0.150 0.012 0.300
Compression ring to land
clearance 0.001 0.030 0.003 0.070 0.001 0.030 0.003 0.070
Scraper (second) ring to
land clearance 0.001 0.030 0.003 0.070 0.001 0.030 0.003 0.070
70 75
minimum maximum minimum maximum
SAE mm SAE mm SAE mm SAE mm