Shock Filling Instructions
For both front and rear shocks
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Step 1. Extend the shock shaft all the way down. Fill the shock with oil
until the body is approximately 90% full.
Step 2. Slowly pump the shock shaft up and down about 3-5 times to release
air bubbles from underneath the piston.
Step 3. Let the shock rest vertically with the shock shaft fully extended for five
minutes or until all of the air bubbles have released.
Step 4. Push the shaft in to the amount of rebound desired. For example, to achieve little or no
rebound, push the shaft in all the way (in this case, about ¼” of shaft showing). For 50%
rebound, push the shaft in half way. Make sure that you match the rebound amount
between the left and right shocks. We've found that running the least amount of (0%)
rebound in both the front and rear shocks gives the most consistent overall performance.
Step 5. Next you will top off the shock with oil. The goal is not to fill the body completely,
but only to fill it enough so that when the bladder is placed on top there will be no
air underneath. If you do overfill the shock, it won’t hurt performance, it will just spill
out and make a little bit of a mess.
Step 6. In this step you will be placing the bladder on top the shock body. While holding the
shock shaft in the desired position from step 4, push the bladder down onto the
shock body using your fingertip to fully seat the lip of the bladder onto the rim of the
shock body. If done correctly a small amount of oil should bleed out. If no oil is released
you may have some air trapped underneath the bladder and you will need to remove
the bladder and repeat step 5. Once the bladder is seated onto the shock body, pull
the shock shaft down about 20mm. This will “suck” the bladder down and hold it
in place. Carefully wipe away the excess oil that was bled, being careful not to
disrupt the seal of the bladder on the shock body.
Step 7. While continuing to hold the shock vertically, screw the shock cap down onto the body
and tighten fully. The cap will bottom out easily, but the bladder will be sealed tight.
You can use an adjustable wrench to hold the bottom of the shock while tightening
the shock cap down to be sure they are tight.
The following steps and information will provide you with the
proper way to fill and bleed your Tekno RC EB48 shocks.
After thorough testing, we've found it's easiest to complete steps 1 through 3 on each
shock before moving onto step 4. By the time you've finished step 3
on the last shock the first one should be ready for step 4.
You can build the shocks in any manner you prefer, but we’ve found this way provides the
best handling and more consistent shocks. They will also last longer between rebuilds.
Use part #’s TKR6008 (pistons and guides) and TKR6009/TKR6009B
(o-ring pack) to rebuild your shocks regularly.