RIEJU AVENTURA 500 Owner's Manual page 59

Brake
The brake handle and brake pedal operate normally.
The brake fluid is at the correct level of the brake oil cup.
The medium pressure point is clear during braking.
The brake disc and pad shall be free of water and oil stain.
Shock absorber
Press to return smoothly.
Drive chain
No excessive wear and damage.
The chain tension is correct.
aventura 500 euro 5 59