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My  fork  is  leaking  when  I  connect  the  high  pressure  pump,  what  can  I  do?

  

Check  with  a  Schrader  valve  tool  if  it  is  correctly  tightened.  

  
At  rest  position,  the  fork  sits  slightly  in  its  travel  (small  SAG),  is  this  normal?

  

The  BOS  air  spring  system  is  designed  to  offer  the  lowest  engagement  threshold.  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   at   bosmtb.com.   For   more   information,   contact   our   sales   department   at  
commercial@bosmtb.com.  

  
The  fork  comes  with  a  slightly  play  on  stanchions  area,  what  should  I  do?

  

The  unique  alignment  of  the  bushings  of  the  BOS  forks  creates  a  slight  frontal  play.  If  the  play  is  abnormally  high,  please  contact  
a  BOS  approved  service  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  in  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  a  
very  slow  oscillations  (5  or  6)  on  the  first  15  mm  of  stroke  to  recover  the  full  travel.  

  

dŚĞĨŽƌŬĨĞĞůŝŶŐŝŶƚŚĞDƉŽƐŝƚŝŽŶĚŽĞƐŶ͛ƚĨĞĞůƌŝŐŚƚĨŽƌŵĞ͍

  

If  the  initial  position  of  the  M  setting  does  not  give  you  the  feeling  that  you  are  looking  for,  you  can  modify  the  position  of  the  
click  (refer  to  paragraph  2.2  in  hydraulic  adjustments).  
  
For   any   other   questions,   please   see   our   FAQ   page   at   http://www.bosmtb.com/en/faq.html   or   write   to  
customerservice@bosmtb.com.    

4.  FAQ

11

  

Summary of Contents for Dizzy

Page 1: ...ding to your use and your riding stile Weight kg lbs 60 132 65 143 70 154 75 165 80 176 85 187 90 198 Recreational Use Pressure psi 120 130 140 150 160 170 180 Racing Use Pressure psi 125 135 145 155 165 175 185 Balancing air chambers It is important to balance the pressure of the air chambers after each pressure adjustment to ensure optimum performance To do this compress and slowly release your ...

Page 2: ... Model year 2014 USER MANUAL ...

Page 3: ...ial resulting from the use of its products local legislation prevailing Warranty exclusions This warranty does not cover the following cases ͻ ĂŵĂŐĞ ƚŽ ƉƌŽĚƵĐƚƐ ƌĞƐƵůƚŝŶŐ ĨƌŽŵ ŝŵƉƌŽƉĞƌ ĂƐƐĞŵďůLJ ŽƚŚĞƌ ƚŚĂŶ ůŝƐƚĞĚ below ͻ WƌŽĚƵĐƚƐ ƚŚĂƚ ŚĂǀĞ ďĞĞŶ ŵŽĚŝĨŝĞĚ ďLJ ƚŚĞ ŽǁŶĞƌ Žƌ Ă ƚŚŝƌĚ ƉĂƌƚLJ ͻ ŵƉƌŽƉĞƌ Ƶse ͻ ĂŵĂŐĞƐ ƌĞƐƵůƚŝŶŐ ĨƌŽŵ ĂŶ ĂĐĐŝĚĞŶƚ ĐƌĂƐŚ ƵŶĚĞƌ ĂŶLJ ĐŝƌĐƵŵƐƚĂŶĐĞƐ ͻ ŶǀĂůŝĚ ƐĞƌǀŝĐŝŶŐ ƉƌŽĐĞĚƵƌĞƐ ĂŶĚ ƐĞƌ...

Page 4: ...n its proper position no further adjustment necessary If the lever is not in its optimal position note the angle A which must be applied to rotate the axle in position and continue to step 5 5 ʹ Undo the quick release lever and remove the axle 6 ʹ Undo and remove the socket head screw B 6 ʹ Turn the axle nut the angle observed in step 4 and retighten the socket head screw 7 ʹ Mount your wheel acco...

Page 5: ...nufacturer s recommendations Consult the instructions that came with your disc brakes for proper installation procedures It is recommended to install NEW disc brake pads to ensure proper alignment and to minimize drag 3 Route the disc brake hose for hydraulic disc brakes or brake cable housing for mechanical disc brakes from the caliper to the inside of the lower leg and through the supplied disc ...

Page 6: ...u some base values based on your weight Your specific pressure may vary based on your riding style and personal preference However do not stray too far from the indicated pressures or you may risk changing the performance of your fork Recreational use Weight Kg lbs 60 132 65 143 70 154 75 165 80 176 85 187 90 198 Air Pressure PSI 10 PSI 120 130 140 150 160 170 180 Racing use Weight Kg lbs 60 132 6...

Page 7: ...hree positions are identified as S soft M medium and H hard The two extremes S and H are reached at the fully open and fully closed positions of the lever The M position is the click when moving between the S and H position for fast and intuitive adjustment on the fly dŚĞ ĂĚǀĂŶƚĂŐĞ ŽĨ K Ɛ ĂĚũƵƐƚŵĞŶƚƐ ŝƐ ƚŚĂƚ ƚŚĞLJ ĂƌĞ ŶŽƚ ďĂƐĞĚ ŽŶ Ă ƐŝŶŐůĞ ƌĂƚĞ ĐƵƌǀĞ ŝ Ğ ĨŽƌ ůŽǁ ƐƉĞĞĚ ŽŶůLJ dŚĞ K adjustments are don...

Page 8: ...omise between comfort chassis support and grip If the rider prefers a softer feeling or a harder feeling he may change the position toward the open or closed positions S and H without affecting the tuning of the fork Modification of the intermediate click position 1 Move the lever to the intermediate click location 2 Undo the top cap screw A 3 Undo the retaining screw set screw B 4 Adjust the M po...

Page 9: ... the oil changes must be done at a BOS MTB service center This oil change is done at the same time as the full fork rebuild dŽ ĞŶƐƵƌĞ ƚŚĞ ďĞƐƚ ƉĞƌĨŽƌŵĂŶĐĞ ŽĨ ƚŚĞ ƐƚĂŶĐŚŝŽŶƐ Žŝů ŝ ŽŝůͿ ŝƐ ĂĚĚĞĚ ƚŽ ƚŚĞ ďŽƚƚŽŵƐ ŽĨ ƚŚĞ ĨŽƌŬ ůŽǁĞƌƐ ŵŽƵŶƚ ƉĞƌ ůĞŐ ϭ5ml Cleaning Oil service Full service Recreational use After each ride Once per year Every two years Racing use After each ride Twice per year Once per year 3...

Page 10: ...tal play If the play is abnormally high please contact a BOS approved service 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 in 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 ...

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