Trials Fork Seal Service..Made Easy!! Beta sherco gasgas
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- Опубликовано: 27 июл 2024
- Simple fork seal change on Beta 290 2009. Note the other fork will have the spring internals but changing the seal is still the same process. Take note of what order the spring internals come apart.
Oil level is 120mm on spring side and 60mm on the other. Oil should be measured with fork leg fully compressed.
5w fork oil not 7.5 as stated in video.
This method of changing the seals roughly the same on most trials bikes. 
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Replaced the factory seals on a 2015 Evo 300 about a year ago after watching your video. Just serviced them yesterday, never would have tried it without your detailed video. Many thanks.
It would be good to finish the job with setting oil height . And how you install the oil. Most important part man
Legend !
Also if you dont want to buy a fork seal driver wrap duct tape around the fork tube till its around 4mm thick and use the use the tube to drive in the seal ✌🏻
need to do that to my bike aswell this winter :) thanks for a very good tutorial!
Nice, have done one video for maintenance on tech forks too.!
thks for teach me !!!! very good tutorial bro!!
Jose Luis Rodríguez glad I can help. Thanks mate :-)
Very well explained top man just done mine saved £'sssss
This is fantastic, thank you!
Great video!!! I have to change both seals in my evo 300 2013 and your video has detailed everything really good.
Do know how much oil in milliliters is needed in each fork? I don’t have the tool to mesure the level.
Thanks for the video!
Great effort hats off. But really really would love to know how you got the bottom bolt back in after filling it from the bottom lol. I’ve never seen or done that before and I do it for a living. Great video keep it up 👍
Cheers mate but I don't have a clue as this was a few years ago now!
Ace video but I got seasick after 2 mins 😂😂
how do you take apart the cartridge to properly clean it ? i did the same as you but it really needs to come apart for a proper cleaning before reassembly .
Thanks for the info
Heyy Enduro Boy UK, is 120mm on the spring side w/ or w/o the spring inside the leg ? Thanks a lot
Thanks for the great and informative video. One question I have, at 13:00 when you talk about the seal orientation, is this correct? I'm currently attempting the same job with the same forks and make of seal.
I thought the same as you however I also contacted the manufacturer to check and they said the side with the writing on should remain visible (so the non oil side). From your video I think you're doing it the other way?
Does anyone have any experience with this? Which way is correct?
Hi thanks for the comment. As far as I know everything was correct. Although this vid was made a few years ago now! Usually the seal will go flat side down. The inner side will have a spring inset into a groove in the seal.
I was wondering the same thing. My original seals are installed opposite of the way they are installed in the video
hello, how much oil goes into the return fork ?? the one without spring ?? the manual says 6cm from the top edge, but it doesn't say if the cartridge should be full ...
why back off the top clicker/adjuster screws?what does that do?. Also on my beta i just slide the seal on from the other end no nead for tape. Also like the other fella said how do you refill .
Do you not need to bleed these forks ? If they are anything like tech forks you do.
👏🏻👏🏻👏🏻
This video is helpful, but the POV is making me seasick. Hopefully you can use a tripod next time ;)
Hi there,I can't get the bottom bolt out of the damper leg it just keeps spinning, so I can't get stanchion out.
Try an impact driver that may help
Ey I heard they are still bloody leaking
Did you have a helmet cam for this one ?
Yep defo fucking things still leaked worn out !!
Hi...new to gasgas forks...they don't have a spring then !!???
The opposite leg has the spring, this one has valve components for rebound damping
Put the top bush in before the tube ?
The fork seal driver has always pushed both the seal and bush in for me.
Good but made me giddy !
Good vid but hard to watch because of the head cam
where did you buy the seal driver
www.dirtbikexpress.co.uk/bike_parts/motocross_suspension/motocross_suspension_accessories/drc_fork_seal_driver_universal_kit
Hey i have Question...
Sorry but why put the seal on the bottom of the stanchion, whilst saying be careful of the sharp edges? Why not put the seal on from the top? Surely if you change the bottom bush put that on first, grease or oil the stanchion and put it into the lower. Then slide the top bush down, with the cup and push into place with the seal driver. Then put the (oiled) seal on from the top and seat that with the fork driver. Never, ever use a metal screwdriver to lever up the fork wiper, one slip and you'll be amazed at the price of a new stanchion.
Putting the oil seal on from the top - exactly what I am thinking.
exactly why I just re-read this, couldn't see why it wouldn't go on the top?... no sharp edges?!.. that is my plan anyway..
I got dizzy couldn't watch...sorry.
You really are not sure of what you are doing and how to do it. Pull your valve stacks to clean and drain them properly and assemble your fork tubes before you install the seal; then you install the seal and stuff from the top. That way you do not have to tape the lower slider bushing grove, hence it is less likely to cut the seal installing it from the top.
AND you do not pour the fork oil in through the bottom, assemble it completely then pour it in from the cap like you should.
Vx do you have a video or info on exactly what to do that you wouldn't mind sharing?? Thanks