Kohler Courage SV710-740 Service Manual page 27

Air escaping from crankcase breather ....................................................... Rings or cylinder worn.
Air escaping from exhaust system ............................................................. Defective exhaust valve/improper seating.
Air escaping from carburetor ...................................................................... Defective intake valve/improper seating.
Gauge reading in "low" (green) zone ........................................................ Piston rings and cylinder in good condition.
Gauge reading in "moderate" (yellow) zone ............................................Engine is still usable, but there is some
Gauge reading in "high" (red) zone ........................................................... Rings and/or cylinder have considerable
Leakdown Test Results
Troubleshooting
wear present. Customer should start
planning for overhaul or replacement.
wear. Engine should be reconditioned or
replaced.
Section 3
3
3.5