Huansong UTV 700 2009, Service Manual

Page: 358 / 361

7-3
POOR IDLE SPEED PERFORMANCE
POOR IDLE SPEED PERFORMANCE
Carburetor 1
、
Improperly returned starter plunger
2
、
Loose pilot jet
3
、
Clogged pilot jet
4
、
Clogged pilot air jet
5
、
Improperly adjusted idle speed (throttle stopscrew)
6
、
Improper throttle cable play
7
、
Flooded carburetor
Electrical system 1
、
Faulty spark plug
2
、
Faulty C.D.I. unit
3
、
Faulty pickup coil
4
、
Faulty charging/rotor rotation direction detection coil
5
、
Faulty ignition coil
Valve train Improperly adjusted valve clearance
Air filter Clogged air filter element
POOR MEDIUM AND HIGH-SPEED PERFORMANCE
POOR MEDIUM AND HIGH-SPEED PERFORMANCE
Carburetor 1
、
Improper jet needle clip position
2
、
Improperly adjusted fuel level
3
、
Clogged or loose main jet
4
、
Deteriorated or contaminated fue
Air filter Clogged air filter element
FAULTY GEAR SHIFTING
SHIFT LEVER DOES NOT MOVE
Shift drum, shift forks 1
、
Groove jammed with impurities
2
、
Seized shift fork
3
、
Bent shift fork guide bar
4
、
Broken shift guide
Transmission Seized transmission gear
Incorrectly assembled transmission