4 STROKES
BLEEDING TELESCOPIC FORK
Every 5 hours of use during competitions, use the bleeder screws or
valves to release any over-pressure inside the fork.
MARZOCCHI USD FORKS
Marzocchi forks are equipped with a tyre valve (1), which is protected by
a rubber cap (2). Remove the rubber cap and gently press the valve stem.
Before using the valve, put the motorcycle up on its stand so that the
front wheel does not touch the ground. If the motorcycle is used mostly
on road, it is sufficient to carry out this operation only during periodical
maintenance.
WARNING
EXCESSIVE PRESSURE INSIDE THE FORK MAY CAUSE OIL TO LEAK FROM
THE FORK. SHOULD YOUR FORK LEAK OIL, TRY BLEEDING THE AIR BEFORE
REPLACING THE SEAL ELEMENTS.
KAYABA USD FORKS
The Kayaba fork has one screw (1). Fully unscrew screw (1) without
removing it and bleed the air. Tighten screw (1) again.
Before using the screw, put motorcycle up on its stand so that the front
wheel does not touch the ground. If the motorcycle is used mostly on
the road, it is sufficient to carry out this operation only during periodi-
cal maintenance.
WARNING
EXCESSIVE PRESSURE INSIDE THE FORK MAY CAUSE OIL TO LEAK FROM
THE FORK. SHOULD YOUR FORK LEAK OIL, TRY BLEEDING THE AIR BEFORE
REPLACING THE SEAL ELEMENTS.
CLEANING TELESCOPIC FORK DUST SEAL
The dust seal (1) must prevent dust and coarse dirt from going into the
fork oil seal. However, dirt can deposit behind the dust seal over time.
If the dirt is not removed, the oil seal ring, which is located behind, can
lose its seal.
Use a screwdriver to separate the dust seal from the sheath (2) carefully
and push it downwards
Carefully clean the dust seal (1), sheath (2) and rod (3) and oil them with
silicon spray or engine oil. Mount the dust seal by manually pushing it
into the sheath seat.
PERFORM THIS OPERATION ON BOTH THE FORK DUST SEALS.
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4.2 CHASSIS MAINTENANCE
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