Fantic Motor 125 Series, Руководство пользователя

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The vehicle is fitted with a chain of the stud link
type.
When taking o ff and remounting the chain, make
sure that the spring of the stud is installed with
the open part facing in the opposite direction to
forward movement.
If the chain is excessively slack it could
come o ff the sprocket, causing acci-
dents or serious damage to the vehi-
cle.
Regularly check the chain slack and if
necessary adjust the tension.
Only go to an authorised Dealer to
have the chain replaced.
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- Stop the engine.
- Place the vehicle on the stand.
- Place the gear lever in neutral.
- Check that the up and down movement,
midway between sprocket and ring gear in
the lower section of the chain, is approx. 40
mm.
- Shift the vehicle forward to check the up and
down movement of the chain also in other
positions; the slack must remain constant
throughout the entire rotation of the wheel.
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- Using the relative wrench, lock rotation of
the wheel pivot bolt (4).
- Loosen the wheel nut (3).
BE<CM( for rear wheel truing there are reference
notches stamped on both ends of the fork arms.
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- Loosen the right check nut (6) and the left
check nut (1).
- Using the right-hand (5) and left-hand (2)
chain adjusting device, adjust the slack of the
chain, checking on both sides of the vehicle
that the same references are applied.
- Tighten the right check nut (6) and the left
check nut (1).
- Using the relative wrench, lock rotation of
the wheel pivot bolt (4).
- Tighten the wheel nut (3).
Wheel nut (3) torque wrench setting: 80 Nm
(8kgm).
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Check the following parts and check the chain,
sprocket and ring gear for:
- worn rollers;
- loose pins;
- dry, rusted, crushed or bound links;
- excessive wear;
- missing sealing rings;
- excessively worn or damaged sprocket or
gear teeth.