APRILIA ETX 150 Service Station Manual page 67

ETX - STX 150
•
Remove the desmodromic (4)
Controllo alberi
Check transmission gears for signs of pitting and wear and replace damaged gears if necessary.
Check the gear fitting teeth for cracks, damage and wear and replace those damaged if necessary.
Check the transmission gears movement and, if it is not regular, replace the damaged part.
Checking the desmodromic drum
•
Check the wear of the grooves (1) and
of the contact surfaces with the bear-
ings (2).
•
In case of abnormal wear, replace the
desmodromic and check the bearings
in the crankcase
Checking the forks
Check the transmission fork cam roller (1) and the
gear fork tooth (2) for damage, distortion and wear.
Replace the transmission fork if necessary.
Engine
ENG - 67