Often asked: How To Change Fork Oil On A Motorcycle?

Can you change fork oil without removing forks?

You will need to remove the caps to refill the fork tubes with oil. Determine if the fork legs have oil drain plugs near the bottom of the legs. If they do, you are in luck and will be able to change the oil without removing the fork legs.

How often should motorcycle fork oil be changed?

You change your bike’s engine oil regularly, but when was the last time you changed your fork oil? The oil in your fork loses lubricity, gets dirty, and should be changed every 10,000 miles or once a year. Here’s the quickest way to do it—and, yes, we know there’s a better way to do a cartridge fork.

How much oil do you put in motorcycle forks?

Insert the syringe tip into the air-bleed hole so that it has a good seal; if it doesn’t, oil will leak out without going into the fork. Remove the O-ring from the air-bleed screw and put it back in the hole to seal the syringe better. Slowly squirt 10cc of oil into the forks.

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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.

Is it bad to ride with leaking fork seals?

You should notride with a bad fork seal for many reasons, safety being number one. A bad fork seal could leak oil onto your brake calipers, resulting in trouble decelerating and stopping the bike. That, plus poor shock absorption and an unbalanced ride makes a leaky fork seal dangerous to ride on.

What can I use instead of fork oil?

ATF is a good substitute for fork oil due to its anti-foaming properties. Many motorcycles used to specify ATF for the forks as stock. ATF is roughly equivalent to 7.5 weight fork oil, so will be a bit on the light side for any of the XJ series, but you might find it to be acceptable.

Can I use synthetic oil in my motorcycle?

Semi- Synthetic Oil High-performance motorbikes require synthetic oil, while mineral or conventional oils keep the engine clean and running smoother for longer. Semi- synthetic oil is ideal for 125-180 cc medium-sized engines.

What is the best motorcycle fork oil?

Any hydraulic or ATF fresh oil is best than any old fancy motorcycle fork oil.

How much does it cost to replace fork seals on a motorcycle?

Approximate cost: $150 – $400 Motorcycle shops and dealers costs vary greatly depending upon where you live geographically but from the feedback we hear from our customers is they were quoted as low as $150 and as high as $400 to have a shop fully remove the forks and replace the seals.

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What weight of fork oil should I use?

Most suspension fluids that are lighter than 5wt are designed specifically to be used in a shock. Fork oils heavier than 5wt get too thin when they get hot. Stick with 5wt fork oil.

How often should you change fork seals?

Every 40-60 hours, also regularly clean out your dust seals. Pull them down and wipe out all the dirt then add a small amount of oil to help lube em up. Every 40ish hours I replace the fork oil so the seals get replaced too. The bushings usually get replaced every other time.

Can you mix fork oil weights?

Yes it’s fine. You just get a mix that has a specific weight that is somewhere between the two original oil weights. Mixing different weight oils is commonly done to tune suspension. For example, equal amounts of 10 and 15 weight oil to make 12.5 weight.

How often should you change Harley fork oil?

Damping helps with how well your bike adheres to and is affected by bumps in the road or unevenness. How often should you change your fork oil? That is a very good question. It’s been quoted as every year, every two years, every 30,000 miles, every 50,000 miles and more.