2006-2009 Suzuki LT-Z50 QuadSport ATV Factory Service Manual, Page 181Get this manual

2006-2009 Suzuki LT-Z50 QuadSport ATV Factory Service Manual, Page 181

SERVICING INFORMATION ENGINE RUNS POORLY IN HIGH SPEED RANGE Symptom, possible causes and remedy Weakened valve springs Worn
timing advance circuit Defective CDI unit Defective ignition coil Defective generator coil Low float chamber fuel level Clogged
fuel hose, resulting in inadequate fuel supply to the carburetor Clogged fuel valve Clogged air cleaner element Sucking air