5
This section details the installation of your BOS SYORS.
First of all, remove the original suspension from your bike. To do this, please refer you to the original manual
of your bike.
To facilitate reassembly, locate the order of disassembly of parts and arrange them on
your worktop so as to quickly identify the location of each of them during reassembly.
Never try to disassemble your shock. Limit yourself to the instructions given in this manual. This
shock is pressurized, for your own safety, do not try to open it. You also risk damaging the shock
and its internal mechanisms as well as voiding your warranty.
Contact an authorized service center for any maintenance operation.
Your SYORS shock is delivered with the correct mounting kits for the bike specified while ordering.
Check the mounting direction
By referring to the compatibility table, available on the BOS suspension website download page.
www.bos-suspension.com
SAG verification
The SAG is the amount of travel used by your suspension from your weight on the bike. It is set by adjusting
the spring preload.
BOS recommends a SAG percentage of 25 to 35 % of total travel, depending on your use and your riding
style. (Enduro 25-30% / DH 30-35%)
The bike manufacturer may also indicate a SAG percentage. Please refer to your bike’s user manual for this
value.
If the manufacturer recommendation differs from ours, you should test the bike on the trail at different SAG
values to find the right amount for your riding style.
The BOS SYORS is supplied with a spring to match your weight.
The ideal preload, should be between 0-4mm. If you exceed 4mm then a harder spring is strongly
recommended. If you don’t get the sag, choose a softer spring.
A spring which is too hard or with too much preload can negatively affect the shock’s hydraulic
damping and reduce your bike’s performance.
SPRING ADJUSTMENT
ASSEMBLY