Name: Zontes ZT125/310T-M
Brand: Zontes
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ZT125/310T-M

Maintenance Manual

2022-09-23

Table of Contents4
Content4
Vehicle Information12
Know before Service12
Body Label13
M310 Technical Specification14
Front Wheel/Steering System14
Rear Wheel/Suspension System14
Brake System14
Battery/Charging System15
M125 Technical Specification15
Front Wheel/Steering System15
Rear Wheel/Suspension System16
Brake System16
Battery/Charging System16
Lamp/Speedometer/Switch Description17
Tightening Torque17
Bolt Tightening Torque of General Tightening Part17
Cable/Cable/Pipe/Electrical Device Distribution Map18
Distribution Map of Lamps and Lanterns18
Throttle Cable18
Brake Upper Pump and Brake Hose19
Calipers, Brake Hoses and Wheel Speed Sensors19
Distribution Map of Brake System Accessories20
M31020
M12521
Oil Supply System22
M310 Fuel Evaporation22
M125 Fuel Evaporation23
M310 Fuel Supply23
M125 Fuel Supply24
Distribution Map of Cooling System Accessories24
M31024
M12525
Electrical Device Layout26
Intake and Exhaust System28
M31028
M12529
Tool30
Swell Nail Description32
Maintenance33
Know before Service33
M310 Maintenance Schedule34
M125 Maintenance Schedule35
M310 Air Filter (Filter Element), Air Inlet Filter Element36
Support the Vehicle Firmly36
Remove the Left Engine Cover36
Remove the Air Inlet Cover36
Replace the Air Inlet Filter37
Remove the Air Filter Housing37
Replace Air Filter Element37
Inspection Air Filter Waste Oil Pipe37
Reinstall38
M125 Air Filter (Filter Element), Air Inlet Filter Element39
Support the Vehicle Firmly39
Remove the Left Engine Cover39
Replace the Air Inlet Filter39
Remove the Air Filter Housing40
Replace Air Filter Element40
Inspection Air Filter Waste Oil Pipe40
Reinstall40
Bolts and Nuts of Muffler41
Check for Air Leaks at the Engine Exhaust41
Check for Nut and Bolts at the Muffler41
M310 Spark Plug42
Disassemble the Spark Plug42
Check the Spark Plug43
Refer to the Steps to Remove the Spark Plug to Restore All Parts43
M125 Spark Plug44
Disassemble the Spark Plug44
Check the Spark Plug45
Refer to the Steps to Remove the Spark Plug to Restore All Parts45
Engine Oil45
M31046
Drain the Oil46
Replace Fine Filter46
Add Oil46
Change Gear Box Oil47
Confirm the Oil Level47
M12547
Drain the Oil47
Replace Fine Filter48
Add Oil48
Change Gear Box Oil49
Confirm the Oil Level49
M310 Throttle Valve Body49
Do Not Dismantle the Throttle Body to Clean up Carbon Deposits49
Remove the Stepper Motor and Clean up Carbon Deposits49
Remove the Throttle Valve Body Assembly to Clean up Carbon Deposits51
Disassemble the Three-In-One Sensor52
Throttle Valve Body Troubleshooting Process53
M125 Throttle Valve Body53
Do Not Dismantle the Throttle Body to Clean up Carbon Deposits53
Remove the Stepper Motor and Clean up Carbon Deposits53
Remove the Throttle Valve Body Assembly to Clean up Carbon Deposits54
Disassemble the Sensor55
Throttle Valve Body Troubleshooting Process55
Throttle Cable56
Inspection56
Adjust the Throttle Cable Clearance56
Lube Door Cable56
Idle Speed57
Check Idle Speed57
Fuel Evaporative Pollutant Control System58
M310 Fuel Evaporation58
M125 Fuel Evaporation58
Radiator59
M125/310 Check the Coolant59
M125/310 Add Coolant (Antifreeze) to the Coolant Expansion Tank59
M310 Add Coolant to the Radiator60
Put Coolant60
M31060
M12560
Check Whether the Fins of the Radiator Water Tank Are Deformed or the Air Duct Is Blocked61
M31061
M12561
Check All Water Pipes for Leaks; Aging62
M31062
M12564
Fuel Pipe64
Check the Fuel Pipe for Leaks with the Help of an Endoscope with LED Light64
Replace High Pressure Oil Pipe64
Fuel Pump65
Use Oil Pressure Gauge to Measure Fuel Pressure65
Simple Test of Fuel Pump65
Treatment of Abnormal Fuel Pressure65
M310 V Belt67
System Components67
Maintenance67
Remove the Belt67
Disassemble the Continuously Variable Transmission Components68
Inspection69
Assembly70
Common Fault Phenomena/Troubleshooting72
The Engine Can be Started, but the Rear Wheel Does Not Rotate72
Engine Stall or Lack of Power72
Insufficient High-Speed Power72
When the Engine Is at Normal Idling Speed, the Rear Wheel Rotates Rapidly72
Braking System73
M310 Braking System Component Diagram73
M125 Braking System Component Diagram73
Check the Brake Components74
Check the Front and Rear Brake Switches75
Check the Brake Switch75
Replace the Brake Switch75
Lubricate the Movable Parts of the Brake Handle75
Lubricate the Front Brake Handle75
After Lubricating the Brake Handle75
Replacing the Brake Handle75
Adjust the Brake Handle75
Replace the Brake Pads76
Replace the Front Brake Pads76
M125/31076
Replace the Rear Brake Pads76
Abnormal Sound of Brake Pads77
Replace the Brake Disc77
Replacing the Front Brake Disc78
Replacing the Rear Brake Disc78
Brake Hose79
Brake Fluid79
Add Brake Fluid to the Main Pumps of the Front and Rear Disc Brakes79
Replace the Brake Fluid80
Replace the Front Brake Brake Fluid80
Replace the Rear Brake Fluid80
Brake System Exhaust81
Tire81
Check the Tires81
Replace Tires82
Steering Mechanism82
Check the Steering Mechanism82
Adjust the Steering Mechanism82
Maintain Steering Bearings83
Malfunction83
Front Fork83
Check the Appearance83
Check the Shock Absorption Performance84
Remove the Front Shock Absorption84
Correct the Front Fork Tube84
Troubleshooting84
Rear Shock Absorption84
Check84
Adjust the Preload85
Adjust the Right Rear Shock Absorption85
Adjust the Left Rear Shock Absorption85
M31085
M12585
Replace the Shock Absorption86
Bolts and Nuts for Body and Engine Installation86
Check the Fasteners for the Critical Parts86
Check Engine Fasteners87
Valve Clearance Adjustment (M310)88
Maintenance Information88
General Information88
Assemble Torque Value88
Tools, Measuring Tools, Accessories88
Operation Steps88
Side Bracket92
Check92
Lubrication92
Main Bracket93
Check93
Lubrication93
Install the Main Bracket93
Replace the Return Spring Post of the Main Support93
Sound, Light, and Electrical Device Inspection94
Check94
Headlight Height Adjustment95
Fuse Box96
Troubleshooting97
Right Hand Switch97
Right Hand Handle Vice Switch97
Left Hand Handle Auxiliary Switch98
Horn98
Left Hand Switch99
Light100
Windshield Failure100
EFI System101
Know before Service101
Error Code102
M310 Read the Fault Code through the Meter102
Read the Fault Code through the Diagnostic Tool102
Error Code103
Clear Fault Code103
M310 Manually Clear103
Use the Diagnostic Tool to Clear103
EFI Parts Layout104
Fault Diagnosis and Elimination of EFI Parts105
Dump Switch105
OBD Port105
Fuel Pump105
Carbon Canister Solenoid Valve106
EFI Relay106
Fuel Injector106
Ignition Coils107
Throttle Valve Body108
Common Failure Phenomena108
Disassembly108
Troubleshooting Process108
Sensor108
M310 Three-In-One Sensor108
M125 Sensor108
Water and Oil Shared Sensor108

Brand	Zontes
Model	ZT125/310T-M
Category	Motorcycle
Language	English

Zontes ZT125/310T-M User Manual

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