Funbikes QD03K - Caution and Troubleshooting; Carburetor Fuel Release; Common Problems and Solutions

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CAUTION!!!
Always release the remaining fuel from
the carburetor after use every time,
follow the below steps
1. use a screwdriver to screw out the
drain plug at the bottom of carburetor.
2. release the remaining fuel.
3. use a screwdriver to tighten the drain
plug securely.
TROUBLESHOOTING
PROBLEM
CAUSE
REMEDY
The engine doesn’t
start
-
Fuel system(tubes, fuel tank, valve) is
blocked
Clean the system
-No current arriving at spark plug
Clean or replace spark plug. If the
problem persists, consult one of our
Authorized Dealers
-
Engine is flooded
With gas completely open, continue
trying to start engine for a few
Moments. If engine still doesn’t start,
remove the spark plug and dry it off.
Engine misfires
-Spark plug has irregular electrode
distance
Restore correct distance
-Spark pug is dirty
Clean or replace
Engine overheats
and loses power
-Silencer partially obstructed
Contact an authorized dealer
-Exhaust clearance partially obstructed
-Mix too lean
-Delayed ignition
Contact an authorized dealer
Jet may be partially obstructed
Contact an authorized dealer
Weak brake
-Worn Brake pads
Contact an authorized dealer