nocking sound left side also feel in leftfoot

[markd]

hi guys fazer fzs600 knockins sound left foot thinkin small sprocket?

[richfzs]

Get the front sprocket cover off, make sure the sprocket nut is tight. After that, its probably a tight spot in the chain...

[darrsi]

Slowly rotate rear wheel, looking at lower chain, all links should be horizontal and free moving, stiff links tend to stay at an angle that are quite obvious to see!
If you see any, heavily lube them and use pliers to try and free them up.
If they don't wanna budge, you're looking at a new chain and sprockets.
And also check under front sprocket cover for any possible nastiness as richfzs says!