Bos IDYLLE RARE 2014 User manual User Manual
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What initial settings for the fork?
The "Idylle Chart list" is available on the download section of the bosmtb.com website. The « Idylle Chart list »
summarizes the recommended settings (clicks and air pressure) depending on the body weight. Refer also to
chapter 2 of this manual for details.
There is an air leaking when I connect the high pressure pump, what can I do?
Check with a Schrader valve tool if it is screwed correctly or check your pump.
At rest position, the fork travel is slightly engaged (small SAG), is this normal?
The BOS air spring system is designed to offer the lowest threshold of release. Some forks may come with a
slightly negative travel.
Where can I get the original stickers or valve cap?
Those items are available on the online store on bosmtb.com. Or contact our sales department for informations
The fork comes with a slightly play on stanchions area, what can I do?
The unique alignment of the bushings of the BOS forks creates an induced slight frontal play. If the play is
abnormally high, please contact BOS approved center for expertise.
The fork retracts when I deflate the air chamber, what's happening?
Deflating the fork means removing the air from the positive chamber only. The remaining air on the negative air
chamber creates an opposite force to the main spring and retracts the fork. To avoid this, deflate step by step (30/40
psi) and alternate with very slow oscillations (5 or 6) on the first 15 mm of travel to recover the full travel.
How to measure the oil level, in the cartridge side :
- Push down the stanchion
- Pull out the rebound rod
- Measure the distance between the top of the stanchion and
the oil
Oil level
IDYLLE Rare IDYLLE Air IDYLLE
Damping side (right)
110mm
185mm
190mm
Spring side (left)
10ml
10ml
140ml
4. FAQ