Read the safety rules Here.
1. Check the condition of the front fork assembly by pressing the front brake lever and vigorously pumping the fork up and down behind the handlebars. The suspension should operate smoothly and there should be no signs of fluid leakage.
2. The rear suspension arm bearings should be checked by vigorously pushing the rear wheel sidewall while the motorcycle is standing on a support block. The presence of play indicates wear of the bearings.
3. Carefully check all fastening parts of the front and rear suspensions, make sure that they are tightly tightened.