1986-1988 Honda TRX 200SX Fourtrax Service Manual, Page 200Get this manual
TROUBLESHOOTING
POOR PERFORMANCE AT HIGH SPEEDS
Pro bable Cause
1Check Ignition timing and valve clearance adjustment
CORRECT
INCORRECT (11 Imp roper valve clearance (2) Fault CO unit 13) Faulty pulse generator (4Imporper flvwheel installation FUEL FLOW RESTRICTED-11 Lack of fuel In tank (21 Clogged fuel line (3) Clogged fuel tank cap breather hole 14 Clogged fuel valve CLOGGED- Clean
2 Disconnec fuel lube at
carburetor FUEL FLO WS FREELY
3 Remov arburetor and
check jar clogged jet NOT CLOGGED
4 ChJck valve timing
CORRECT
INCORRECT- _Cam sprocket nOI installed properly
5 Check valve spring tenSIOn