Maintenance Chart - Gilera 633499 Workshop Manual

Maintenance
Purejet engines use a very lean air-petrol mixture when running at idle, with its effective percentage
varying as a function of the engine temperature and power absorption.
The throttle body supplies large amounts of air and the idle speed is kept at 2,000 rpm by adequately
leaning down the mixture through the adjustment of the fuel injection timing.
The effective exhaust gases are leaned down even further by the additional air used for the cleaning
phase. The exhaust pipe is fitted with the special outlet for the gas collection kit.
Measuring the CO concentration at idle, values close to 0% (0.1-0.2%) will be found.
It is therefore necessary to carefully clean and calibrate the gas analyser.
These figures may be used for diagnostic purposes only as no carburetion adjustment is possible.

Maintenance chart

Brake fluid - change
Coolant - change
Hub oil level - Check / Replace
Oil mixer/throttle linkage - adjustment
Steering - adjustment
Brake control levers - greasing
Brake fluid level - check
Safety locks - check
Electrics - Check
Tyre pressure and wear - check
Vehicle and brake test - road test
AT 5,000 KM , 25,000 KM , 35,000 KM , 55,000 KM
Hub oil level - Check / Replace
Spark plug - replacement
Oil mixer/throttle linkage - adjustment
Brake control levers - greasing
Brake pads - check condition and wear
Brake fluid level - check
Coolant level - check
Electrics - Check
Tyre pressure and wear - check
Vehicle and brake test - road test
Hub oil level - Check / Replace
Spark plug - replacement
Fuel filter - replacement
Air filter - clean
MAIN - 2
EVERY 2 YEARS
Action
AT 1,000 KM
Action
Action
AT 10,000 KM , 50,000 KM
Action
Runner Purejet