74
MAINTENANCE
CHAIN
Check the chain, pinion and crown wear
Check the following parts and check that the chain, pinion
and crown do not show:
– worn rollers;
– loose pins;
– dry, rusty, crushed or seized meshes;
– missing sealing rings;
– pinion teeth and/or crown teeth excessively worn or
damaged.
The sticker shows how to position the vehicle to measure the
chain tension and the minimum and maximum clearance
tolerances.
It can be positioned on the chain guard, left side of the vehicle.
If one of these components is damaged, the entire chain assembly (pinion, chain and crown) must be replaced.
Also check the wear of the chain guide and the chain sliding shoe.
Excessive loosening of the chain could make it come off from the pinion, causing accidents and serious damage to
the vehicle. Check the clearance regularly. For chain replacement, contact an authorized Fantic Motor Center only.
Improper maintenance can cause premature chain wear and/or damage the pinion and/or crown.
Find the position where the chain is most taut.
Measure chain tension in the middle point of the
lower branch, with the motorcycle on the side stand
and without any load on the vehicle.
Vertical oscillation must be = 22÷25 mm
Misurare la tensione della catena nel punto medio
del ramo inferiore, con la motocicletta sul cavalletto
laterale e senza carico sul veicolo.
L'oscillazione verticale deve essere = 22÷25 mm
22÷25 mm
220
150/70-17
220
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