Transport; Chain Backlash Check - APRILIA SXV 450 2008 Manual

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Transport

During transport the vehicle must be well secured in an upright position and first gear
must be engaged, to avoid fuel, oil and coolant leaks.
IN CASE OF FAILURE, DO NOT HAVE THE VEHICLE TOWED. ASK FOR ROAD
ASSISTANCE SERVICE.

Chain backlash check (04_42)

To check clearance:
Stop the engine.
Rest the vehicle on its stand.
Engage neutral gear.
Check that vertical oscillation at the middle point between pinion and sprocket
on the lower part of the chain is of about 20 ÷ 25 mm (0.79 ÷ 0.98 in).
Move the vehicle forward so as to check vertical oscillation in other positions
too. clearance should remain constant at all wheel rotation phases.
04_42
If the clearance is uniform, but higher or lower than 20 ÷ 25 mm (0.79 ÷ 0.98 in), adjust
it as required.
CAUTION
IF THE DEFLECTION MEASURED IS LARGER IN CERTAIN POSITIONS, THIS IS
INDICATIVE OF CRUSHED OR SEIZED CHAIN LINKS.
LUBRICATE THE CHAIN REGULARLY TO PREVENT THE RISK OF SEIZURE.
91

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Sxv 550 2008

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