YCF 50 A 2017 Manuel De L'utilisateur page 147

This section will help you determine the possible malfunction symptoms and apply the most relevant
troubleshooting sequence. It is always a good idea to review this tips to refresh your skills prior to and after
riding your Mini-Motorbike. The sooner you get to know your Mini-Motorbike and practice your skills, the
better you are in a position to determine what can potentially cause damage to it. Please review this section
regularly to keep yourself up-to-date/catch up on how to fix some urgent malfunction.
Engine Problems: Engine is difficult to start
This is one of the most common causes of engine failure. There are many reasons, including the following:

Fuel tank empty

Fuel tap lever to the "OFF" position

Spark plug loose or damaged threads

Engine "flooded"
Poor Braking
The most noticeable signs of unsatisfactory braking, among other problems, may be caused by:

Improper adjustment

Brake fluid too low

Air bubbles in the rear brake calliper

Worn-out pads and/or discs
Clutch Problems
Some areas of concern that may lead to poor clutch control are the following:

Improper cable adjustment

Friction plates damaged and/or worn out

Clutch plates damaged and/or worn out

Used, dirty or too viscous engine oil.
TROUBLESHOOTING FLOW CHART
146
English
SECTION III