eXmark S series Propane engine surging

landandhome351

LawnSite Member
2016 eXmark S series Kohler Propane 60" 3100 hours. Runs great. Uses very little oil. The engine rpm's rise when moving down hill or in thin grass. It does not idle down all the way when throttling down. Possibly a governor issue? Any input would be appreciated. Thanks
 

Top