Poor Medium And High-Speed Performance; Faulty Gear Shifting; Shift Lever Does Not Move; Jumps Out Of Gear - Hisun HS700UTV-4 Maintenance Handbook

Electrical system
Valve train
Air filter

POOR MEDIUM AND HIGH-SPEED PERFORMANCE

EFI system
Air filter
Muffler
Set out
Shift drum, shift forks
Transmission
Shift guide
Shift forks
Shift drum
Transmission
TROUBLESHOOTING
1、Faulty ignition plug
2、The performace of speed sensor become poor
3、Faulty ignition coil
Improperly adjusted valve clearance
Clogged air filter element
POOR MEDIUM AND HIGH-SPEED PERFORMANCE
1、 Broken ECU
2、 The performance of speed signal sensor become poor
3、 The main nozzle clog or loose
4、 Spoiled or pollute oil
5、 Broken inlet pressure / temperature sensor
6、 Air throttle position sensor loose
Clogged air filter element
Clogged muffler
The reverse signal error trigger

FAULTY GEAR SHIFTING

SHIFT LEVER DOES NOT MOVE

1、Groove jammed with impurities
2、Seized shift fork
3、Bent shift fork guide bar
Broken shift guide
4、
1、Seized transmission gear
2、Incorrectly assembled transmission
1、Broken shift guide mechanism
2、Broken shift flexible shaft

JUMPS OUT OF GEAR

Worn shift fork
1、Improper thrust play
2、Worn shift drum groove
Worn gear dog
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