Leonardo 250-300 Repair Manual 2004 - Wheels Academy

LEONARDO 250 - 300
PERIODIC MAINTENANCE
2.10. TAIL END
2.10.1. TAIL END
CHECKING THE ENGINE FULCRUM AXIS
Periodically check the slack existing between the engine pin
bushings.
To carry out this operation, proceed as follows:
• Position the vehicle on the centre stand.
• Shake the wheel transversally with respect to the riding
direction.
• If any slack should be noticed, check that all engine
fulcrum axis fasteners are securely tightened.
ADJUSTING THE REAR SUSPENSION
The rear suspension is constituted by a pair of double-action
shock absorbers (braking with compressed/extended shock
absorber) fixed to the engine by means of silent-blocks.
The shock absorbers are provided with a metal ring with five
positions, for the adjustment of the spring preload. The
standard adjustment, set by the manufacturer, is suitable for
a driver weighing about 70 kg.
If your weight and needs are different, adjust the ring nut (1)
with the appropriate spanner provided in the tool kit, thus
setting the ideal travelling conditions (see table).
CAUTION
Set both shock absorbers on the same position.
CAUTION
Before adjusting the spring preload, verify what
type of shock absorber is installed on the
vehicle:
- upper adjustment;
- lower adjustment.
ADJUSTMENT OF THE REAR SUSPENSION SPRING
PRELOAD
Adjusting
ring
Function
Attitude
Recommended
kind of road
Notes
Rotation arrow A
(*1) arrow B (*2)
Spring preload
increase
The vehicle is
more rigid
Smooth or normal
roads
Drive with passenger
Rotation arrow A
(*2) arrow B (*1)
Spring preload
decrease
The vehicle is less
rigid
Roads with uneven
surface
Drive without passenger
(*1)= Rear suspension with lower adjustment.
(*2)= Rear suspension with upper adjustment.
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