Stihl MS 170 - Crankshaft and Bearing Condition; Carburetor

© STIHL Inc., Virginia Beach, VA 2013 US/STR
confidential
27. Crankshaft and Bearing Condition
 See if the flywheel moves in and out or up and down
 There should not be any loose play in the crankshaft
bearings
© STIHL Inc., Virginia Beach, VA 2013 US/STR
confidential
28. Carburetor
 Pressure test the carb no higher than 10 PSI and it should hold
steady
 Open and close the butterfly and it should open smoothly
 Verify that the throttle shaft does not have any excessive side
to side play
 Inspect the carb for any physical damage
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