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Thread: Steering damper
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post #6 of Old 02-17-2015, 06:19 PM
alamen
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Join Date: Oct 2014
Location: British Columbia Canada
Posts: 104
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Superchuck before you get a damper check your sag. I have seen many a machine do the same thing by having way much sag. Had a guy at work complaining and then check his sag last year and cured his twitch right away.

Improper Sag:
Too much sag in the front forks (insufficient fork spring preload):
  • Head to shake especially during deceleration
  • Forks bottom under hard braking
  • Nervousness front end, and turns too quickly into corners
Too much to sag in the rear suspension (insufficient shocked preload):
  • Bike wallows during hard acceleration
  • Consistently tries to drift in the middle of corners
  • Light, and vague steering, especially when with a passenger
Not enough sag in the front forks (too much preload and/or too stiff a spring):
  • Consistently tries to drift in the middle of corners
  • Front tire may skitter and lose traction under hard braking
  • Head shake, especially during hard acceleration coming off corners
Not enough sag in the rear suspension (too much preload and/or too stiff a spring):
  • Rear wheel hop over bumps while decelerating
  • Over steer into corners with rear end feeling nervous
  • Loss of traction during hard acceleration, especially over rises in the road


Rebound Damping:

Too much rebound damping in the front forks:
  • Front end harsh after encountering consecutive bumps
  • Over steers (turn in too sharply) after completing braking before corners
  • Head shake may develop while slowing in bumpy sections
Too much rebound damping in the rear shock:
  • Drifts wide into the middle of moderately bumpy corners
  • Shock may feel harsh or bottom out after encountering consecutive bumps
  • Rear tire loses contact with pavement, while traveling over elevation rises
Not enough rebound damping in the front forks:
  • Drifts wide upon releasing brakes while the trail breaking into a corner
  • Nervous feeling, and undesired line corrections occurring in turns
  • Front-end instability when encountering mid corner surface irregularities
Not enough rebound damping in the rear shock:
  • Excessive front-end dive during hard braking with rapid forward weight transfer
  • Lack of stability mid corner, with weaving behavior
  • Excessive and/or abnormal rear tire wear


Compression Damping:

Too much compression damping in front forks:
  • Very sharp shock felt through handlebars on potholes' or abrupt pavement seams
  • Lack of full fork travel despite extreme riding conditions and hard braking
  • Chattering front tire, loss of traction, on pavement irregularities while cornering
Too much compression damping in rear shock:
  • Loss of rear tire traction during hard acceleration
  • Over steering on corner entrances
  • Rear tire chatter and loss of traction during braking
Not enough compression and damping in front forks:
  • Excessive front end dive during hard braking
  • Lack of front end feedback while cornering
  • Excessive front end movement while cornering
Not enough compression damping in rear shock:
  • Bike may run wide at corner as throttle is being rolled on hard
  • Wallowing during sudden throttle roll off a deceleration
  • Lack of feedback from rear tire at throttle roll-on during cornering
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