Check if the reverse 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
Ÿ
If remove the drive shaft from the crankcase
upper side, then its bearing has to be replaced.
Drive shaft bearing
Gear box
Reverse shaft
bearing
Counter shaft needle bearing
Final shaft bearing
Final shaft bearing
Gear box cover
Counter shaft bearing
Reverse shaft bearing
Summary of Contents for ET-250
Page 1: ...1 ET 250...
Page 51: ...Use 32 cutter to cut a quarter upper parts out...
Page 54: ......
Page 60: ...7 1 Mechanism Diagram 0 8 1 2kgf m 1 0 1 4kgf m...
Page 67: ...7 7 Cylinder Installation Install dowel pins and new gasket Dowel pins...
Page 96: ...10 1 Mechanism Diagram 5 0 6 0kgf m 1 0 1 4kgf m 0 8 1 2kgf m...
Page 140: ...REAR BRAKE...
Page 158: ......
Page 159: ...17 8 WIRING DIAGRAM...