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Front brake
The front brake is free of any regulation. It is advisable to verify, every 4,000
km the hydraulic fluid level on the master cylinder tank (fig. 63).
Make sure that there are no leakages on brake system and that the pipes and
connections are free from damage.
In case the hydraulic fluid is under the lower position, remove the master
cylinder tank cover and fill with hydraulic fluid "DOT 4." Change the hydraulic
fluid every two years.
The front brake control lever free play: about 4 mm (fig. 63).
Rear brake
Push the brake pedal link towards the master cylinder with a finger pressure
and, acting on the adjusting screw, regulate the reserve travel on the rod
(1 mm).
TRANSMISSION CHAIN
The transmission chain working life depends on an appropriate lubrication and
on correct adjusting operation. Fault to the above mentioned checks, the
pinion and rim gear can be damaged, endangering the vehicle performance.
The transmission chain condition must be carried out before every starting;
and the chain adjusting every 2,000 km. In case that the vehicle is used in
dusty places, the servicing operations have to be carried out more often.
Chain tension check
This operation have to be carried out with unloaded vehicle, and, in order to
check the rim gear excessive eccentricity, in vertical position. The chain lower
side, pushed upwards, at mid-point between the pinion and rim gear, must give
a total arrow of 35 ÷ 40 mm.
If the chain becomes loose, the chain links are damaged. It is advisable to
check very often the chain links, rollers and rim gear teeth condition.
Whenever the above mentioned parts are worn or warped, it is necessary to
replace them (fig. 65).
Warning
Never fit a new chain on a worn pinion and rim gear or the contrary.
Whenever one single transmission is worn, it is necessary to replace all
three transmission components.
The chain junction link locking pin must be fitted with the closed side
towards the direction of chain rotation. Never operate modification on
original chain: Never open a closed chain (without link).
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Table of Contents
Troubleshooting
