3. Adjustments
USE AND MAINTENANCE MANUAL CHAPTER 3
ADJUSTMENTS2-Strokes - Edition 01 / 2023
107
3
1
2
– If the measured value does not match the Standard values,
proceed with the adjustment by loosening the lock nut
“1”. Then turn the ring nut “2” of the spring, screwing it to
give greater preload (less sink), unscrewing it to give less
preload (greater sink);
– Repeat the measurement and adjustment operations until
the standard values are reached. Once reached, tighten the
lock nut “1”.
If the machine is new and after it is broken in, the
same set length of the spring may change because
of the initial fatigue, etc. of the spring. Therefore, be
sure to make reevaluation.
If the standard figure cannot be achieved by adjusting
the spring adjuster and changing the spring set
length, replace the spring with an optional one and
make readjustment.
In case it is not possible to reach the standard value
through ring nut adjustment, replace the shock
absorber spring with a spring having a different load
coefficient. If the ring nut is in the highest position
(lower preload) but the sag value is lower than
the standard value, choose a spring with a lower
coefficient. Conversely, if the spring is in the lowest
position but the sag value is higher than the standard
value, choose a spring with a higher coefficient.
To improve the rear shock absorber performance, and adapt it to different road conditions, riding style and rider’s
weight, Fantic features springs with different load coefficients that can be purchased from authorized dealers.
Springs with equal-pitch
Load factor Part number
42 N/mm 06401005
44 N/mm 06402005
46 N/mm 06075005
48 N/mm (XE 125 / XX 125 / XX 250 STANDARD) 06403005
50 N/mm 06404005
52 N/mm 06405005
54 N/mm 06406005
56 N/mm 06407005
Springs with NON equal pitch (only for XE 125 / XX 250 versions)
Load factor Part number
44 N/mm 06408005
46 N/mm 06409005
48 N/mm 06410005
50 N/mm 06411005
52 N/mm 06412005
54 N/mm 06413005
56 N/mm 06414005
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