typically you would
overfill the forks and draw out the excess oil with a syringe/tube that is set a specific distance below the edge of the top of the fork tube
, in roadracing you will see a lot of bikes running between 90-110mm fork oil level.
What happens if you put too much fork oil?
Too much oil
can cause your forks go “on block”
. For example if you break hard and hit a speed bump at the same time then worst case scenario would be that one or both of the slider end cap breaks out “which results in death or serious injury” (as the manual states).
How do you measure front fork oil?
Just
measure the oil from the outer tube top to the surface of the oil level
. Be sure to place fork on a level surface.
Can I add fork oil without removing forks?
You need to remove the forks to do it right
. You'll have to remove the handlebars at a minimum. And it will be crazy trying to siphon out old fluid, you cant get a tube down the fork leg with the spring in it.
How do I know if my forks need oil?
Some indicators for basic bath oil/seal service =
leaking around seals, excessive oily dirt goo build up on top of seals that reappears on every ride, visible wear on stanchions
(by that time it's too late).
How much oil do you put in front forks?
Slowly squirt
10cc
of oil into the forks. It is important to note that as the 10cc of oil goes in, 10cc of air must come out.
How often should you replace fork oil?
The oil in your fork loses lubricity, gets dirty, and should be changed
every 10,000 miles or once a year
.
How do I check fork oil level?
How much oil goes in a mountain bike fork?
For the external seals to repel dirt effectively, and for the internal bushes to remain frictionless, they must both remain well lubricated. Many modern forks contain only
5 or 10ml
of oil for lubrication; but this is all it needs to keep the system running smooth.
How much oil does WordPress forks take?
Rule of thumb.
As a rule of thumb,
10cc is the best amount of oil to add or subtract in conventional forks
(WP AER air fork owners should only add or subtract oil from the damping leg). And don't be afraid to remove more than 10cc.
How much oil do you put in WP 4CS forks?
The 4CS is filled not by volume but up to a level. The Alta 4CS oil level spec is
65mm from the top
. You measure it with the spring removed and the fork fully bottomed out. The lower chamber needs to be filled completely full and then burped or bled.
How do you fill motorcycle fork oil?
Can I use engine oil as fork oil?
motor oil works well in the outer chambers of twin chamber forks
. I first used it in my honda now my yamaha and I think the 5/20 motor oil is slicker and offers less stiction. Some have said the honda forks mix the outer and inner oils over time so that might be a problem if you run your too long between changes.
Does changing fork oil make a difference?
Heavier oil will increase the effective damping, in other words the forks will move up and down a little slower and feel stiffer
. Lighter weight oil will do the opposite, allowing the forks to move up and down faster and feel softer.
How often should you change fork springs?
Every 2 or 3 years
is probably what most people will do (6-10K miles). The shock really shouldn't go more than 2 years since it has a LOT less oil to begin with and gets worked a lot harder.