Sym Track Runner 200 Service Manual page 108

Check if the counter shaft is wear or damage.
Check if the final shaft and gear are burn, wear or
damage.
Check bearings on gear box and gear box cover.
Rotate each bearing's inner ring with fingers.
Check if bearings can be turned in smooth and
silent, and also check if bearing outer ring is
mounted on gear tightly.
If bearing rotation is uneven, noising, or loose
bearing mounted, then replace it.
Check oil seal for wear or damage, and replace it
if necessary.
Caution
If remove the drive shaft from the crankcase
upper side, then its bearing has to be
replaced.
To this chapter contents
9. FINAL DRIVING MECHANISM
Gear box
Counter shaft
bearing
Gear box cover
Gear shift shaft bearing
Gear shift shaft bearing
Final shaft needle bearing
Counter shaft bearing
Drive shaft bearing
Drive shaft bearing
lock bolt
9-7