MOTO GUZZI 2005 Griso 1100 Use And Maintenance Book page 54

Component
Final transmission fluid
Fuel pipes
Brake lines
Clutch wear (*)
Inner spark plugs
Generator belt
Head stud bolts tightening
Exhaust pipe flanges retaining bolts
= check and clean, adjust, lubricate or change, if necessary (as specified in the Workshop Manual);
Halve maintenance intervals if you are riding in rainy or dusty conditions, on rough road surfaces or when the vehicle is used for racing.
(*) = If vehicle is used for racing, check every 5000 km (3125 mi).
54
use and maintenance Griso
End of running-in
[1500 km (930 mi)] (6250 mi) or 12 months
every 20000 km (12500 mi):
Every 10000 km Every 20000 km
(12500 mi) or 24 months
every 4 years:
every 4 years:
, every 50000 km (31250 mi):
= clean; = change; = adjust.