KEEWAY Matrix - User Manual

Questions and Answers

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Devon LopezAug 25, 2025
Why does my KEEWAY Matrix Scooter engine lack power?
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  Kayla HoffmanAug 25, 2025
  If your KEEWAY Scooter engine lacks power, several factors could be responsible. These include excessively worn cylinder or piston rings, stiff piston rings, gas leaks from the crankshaft oil seal, or incorrect spark plug gaps. Other potential causes are a clogged air cleaner element, a float-chamber fuel level out of adjustment, a fouled spark plug, air being sucked in from the intake pipe, a slipping or worn V-belt, damaged/worn rollers in the movable drive face, a weakened movable driven face spring, or a fuel/air mixture that's too rich due to a defective starter system. Depending on the cause, you might need to replace worn parts, clean components, adjust settings, or retighten connections.
O
oharperAug 25, 2025
What to do if KEEWAY Matrix Scooter engine stalls easily?
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  smithjamesAug 26, 2025
  If your KEEWAY Scooter engine stalls easily, the issue might stem from carbon deposits on the spark plug, a defective CDI & ignition coil unit, a clogged fuel hose, clogged jets in the carburetor, or a clogged exhaust pipe. Try cleaning the spark plug, fuel hose, carburetor jets, and exhaust pipe. If the problem persists, consider replacing the CDI & ignition coil unit.
M
Michelle ZamoraAug 26, 2025
Why is my KEEWAY Matrix engine overheating?
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  Richard BakerAug 26, 2025
  If your KEEWAY Scooter engine is overheating, the cause may be heavy carbon deposits on the piston crown, a defective oil pump or clogged oil circuit, a fuel level that is too low in the float chamber, air leakage from the intake pipe, use of incorrect engine oil, use of an improper spark plug, or a clogged exhaust pipe/muffler. You should clean carbon deposits, replace or clean the oil pump and circuit, adjust or replace the fuel level, retighten or replace the intake pipe, change the engine oil and spark plug, and clean or replace the exhaust pipe/muffler.
S
Sarah GuerreroAug 27, 2025
How to fix KEEWAY Matrix with poor idling?
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  Sara EdwardsAug 27, 2025
  If your KEEWAY Scooter idles poorly, several potential issues could be the cause. These include excessively worn cylinder or piston rings, a stiff piston ring, gas leaks from the crankshaft oil seal, spark plug gaps that are too wide, a defective CDI & ignition coil unit, a defective magneto stator coil, a float-chamber fuel level out of adjustment in the carburetor, clogged jets in the carburetor, or a broken or damaged reed valve. Depending on the cause, you may need to replace worn parts, adjust the spark plug gaps or fuel level, or clean clogged jets.
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Gene KerrAug 27, 2025
Why is my KEEWAY Scooter producing dirty or heavy exhaust smoke?
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  David SimpsonAug 27, 2025
  If your KEEWAY Scooter is producing dirty or heavy exhaust smoke, it may be due to too much engine oil or the use of incorrect engine oil. Check the oil pump and consider changing the engine oil.
J
Jorge HoodAug 28, 2025
What causes a KEEWAY Scooter engine to run poorly at high speeds?
- B
  Bailey HuertaAug 28, 2025
  If your KEEWAY Scooter engine runs poorly in the high-speed range, it could be due to several reasons: excessively worn cylinder or piston rings, a stiff piston ring, spark plug gaps that are too narrow, ignition not advanced sufficiently due to a poorly working CDI & ignition coil unit, a defective magneto stator coil, a float-chamber fuel level that is too low, a clogged air cleaner element, a clogged fuel hose resulting in inadequate fuel supply to the carburetor, or a clogged fuel cock vacuum pipe. You may need to replace worn parts, adjust spark plug gaps, clean components, or prime the fuel system.
S
Sonia WillisAug 29, 2025
Why is my KEEWAY Scooter engine so noisy?
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  michaelgordonAug 29, 2025
  If your KEEWAY Scooter engine is noisy, the source of the noise can help pinpoint the problem. If the noise seems to come from the piston, it could be due to a worn piston or cylinder, carbon fouling in the combustion chamber, a worn piston pin, bearing, or piston pin bore, or worn piston rings or ring grooves. If the noise seems to come from the crankshaft, it might be caused by worn or burnt crankshaft bearings or worn or burnt conrod big-end bearings. If the noise is coming from the final gear box, the gears may be worn or rubbing, the splines badly worn, or the bearing of the drive shaft or rear axle shaft worn or damaged. Depending on the location, cleaning or replacing the affected parts may be necessary.
T
Tim WongAug 30, 2025
What causes starting trouble in KEEWAY Matrix?
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  Michael StewartAug 30, 2025
  If you are experiencing starting trouble with your KEEWAY Scooter, it could be due to a clogged starter jet, air leaking from a joint between the starter body and carburetor, air leaking from the carburetor joint or vacuum hose joint, or a starter plunger that is not operating properly. You should clean the starter jet, check the tightness of the starter body and carburetor, check and replace any leaking joints, and check and replace the starter plunger if necessary.
S
Samantha LewisAug 30, 2025
Why is the clutch slipping on my KEEWAY Matrix?
- R
  ronaldhernandezAug 31, 2025
  Clutch slippage in your KEEWAY Scooter may be due to worn or damaged clutch shoes, or a worn clutch drum. Consider replacing these parts.
R
rhondahessAug 23, 2025
How to fix KEEWAY Matrix Scooter engine that won't start?
- S
  Samuel KingAug 23, 2025
  If your KEEWAY Scooter's engine is not starting or is hard to start, several issues could be the cause. Low compression due to worn cylinder or piston rings, stiff piston ring, gas leaks, or a damaged reed valve could be the reason; consider replacing the affected parts. A damaged, dirty, or wet spark plug, or a defective CDI & ignition coil unit or stator coil might also be at fault; in these cases, clean and dry the spark plug, or replace the defective components. Finally, check for fuel delivery problems such as a clogged fuel tank cap, a clogged or defective fuel cock, a defective carburetor float valve, or a clogged fuel hose; clean or replace these parts as necessary.

KEEWAY Matrix Specifications

General

Fuel System	Carburetor
Front Suspension	Telescopic fork
Front Brake	Disc
Rear Brake	Drum
Front Tire	120/70-12
Rear Tire	130/70-12
Width	700 mm
Cooling System	Air cooled
Transmission	Automatic

Summary

General Principles

Maintenance Tools

Lists essential tools for manual maintenance and repair procedures.

Type Identification

Details methods for identifying scooter models and component numbers.

Fuel and Engine Oil

Provides specifications for recommended fuel and engine oil types.

Break-In Procedure

Outlines initial running-in guidelines for new scooters.

Precautions and General Instructions

Highlights important safety warnings and general handling guidelines.

Specifications

Lists technical specifications for the scooter's dimensions, weight, and components.

Termly Maintenance and Repair

Maintenance Schedule and Procedures

Details intervals and steps for regular maintenance tasks.

Engine Components Maintenance

Covers servicing for key engine parts like spark plugs and cylinders.

Fuel and Lubrication Systems Maintenance

Explains maintenance for air cleaners, oil pumps, and gear oil.

Brakes and Tires

Covers inspection and maintenance of brake systems and tires.

Steering and Suspension

Details maintenance for steering stem and shock absorbers.

Engine

Engine Components Removal and Remounting

Provides instructions for disassembling and reassembling engine parts.

Engine Assembly Procedures

Details the step-by-step process for engine reassembly.

Bearings and Oil Seals

Explains the inspection and replacement of bearings and oil seals.

Crankshaft Inspection

Details procedures for inspecting crankshaft runout and bearing condition.

Automatic Clutch Inspection

Outlines checks for proper automatic clutch engagement and operation.

Drive Belt Inspection

Covers inspection for cracks, wear, and correct width of the drive belt.

Cylinder Head and Piston

Details inspection and maintenance of cylinder head and piston components.

Reed Valve

Explains inspection and replacement procedures for the reed valve assembly.

Fuel and Lubrication System

Fuel Switch

Describes the operation and function of the fuel switch.

Carburetor

Provides specifications and adjustment details for the carburetor.

Oil Pump Operation

Explains the function and maintenance of the oil pump.

Electrical System

Ignition System

Details the components and inspection of the ignition system.

Charging and Lighting System

Explains the charging output check and lighting system components.

Starter System

Covers starter motor removal, disassembly, and relay inspection.

Fuel Gauge and Indicators

Describes inspection procedures for the fuel gauge and indicator lights.

Switch Operations

Illustrates the function and wiring of various scooter switches.

Battery Maintenance

Provides guidelines for battery initial charging and maintenance.

Chassis

Body Panels and Covers

Details the removal and installation of body panels and covers.

Front Wheel Assembly

Covers the removal, inspection, and reassembly of the front wheel.

Front Brake System

Explains brake pad replacement and caliper maintenance procedures.

Master Cylinder Maintenance

Details the removal, disassembly, and inspection of the master cylinder.

Steering Stem and Front Suspension

Covers removal, inspection, and reassembly of steering and suspension.

Rear Wheel and Brake

Details removal, inspection, and reassembly of the rear wheel and brake.

Servicing Information

Troubleshooting

Lists common problems, symptoms, causes, and remedies for the scooter.

Wiring Diagram

Presents a schematic of the scooter's electrical system for diagnosis.

Wire, Cable and Brake Hose Routing

Illustrates the correct routing of wires, cables, and brake hoses.

Special Tools

Lists specialized tools required for various maintenance procedures.

Tightening Torques

Provides specific torque values for engine screw thread parts.

Service Data

Lists key service data and specifications for engine components.

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