how to change fork seals on upside down forks

Also, the fork boot on the 1988 cr500 did a hands down better job of keeping the fork seal and fork tube better protected from the elements. Inverted Fork – A fork that is designed to be hung upside down. Follow the manufacturer's procedure to bleed the dampening rod and adjusting the fork oil level Turn fork over to drain oil, gently pump damping rod to completely remove all oil from cartridge. 352 Posts . Pour out the oil. Aug 13, 2008 #4 So I only have to pull the top of the fork off and turn the lower upside down to drain the oil and install new seals and put it back together? Now, slowly lift out the fork spring, letting the oil drain off before taking it right out. You can pop up the dust caps and oil the foam rings form time to time. Turning the fork upside down will not lubricate the foam rings. I know this is how I did it on my yamaha vmax and it was easy but I figured with this upside down style forks … Don't get me wrong, the forks on my 2001 cr500 work good. On the 1997 CR they put Marzocchi forks in place of the Showa. It’s also less likely to flex under hard braking or turning speeds. Tip the fork leg upside-down over an oil drain pan to get as much old oil out as you can, working the fork up and down will help here. Remove the seal. Time to join the two pieces! Why? As long as you remove and reinstall them carefully you should be able to flip them over and they should work just fine. Be really careful not to damage the new seal and dust cover when you put the upper and lower forks back together. The tutorial below is good nuff to get you by on just about any fork, just use a small amount of common sense, and you’ll get it. Slide the spacer, washer and seal down into the top of the fork leg. If you put them in upside down the oil can blow right by the seal lip. Motion Pro, fork seal bullet set for upside down forks. It’s also longer compared to conventional telescopic forks. Separate the upper & lower for tubes. About 18% of these are motorcycle shock absorbers, 7% are other motorcycle body systems, and 5% are bicycle fork. 1 - upper fork bush 2 - washer 3 - old fork seal Remove and discard the old seal. This post will cover how to change the fork seals in the Yamaha R3 and how to replace the fork oil. The USDs were heavier and "too stiff". Push it inside far enough that you can put the allen bolt back in the bottom of the lower fork leg. I figure you undo the big nut at the tip of the fork, and loosen the pinch bolts at two laces and the forks come out the bottom. When you have gotten the forks off, the first thing to do is to remove the fork caps, carefully they're spring loaded. Put the inner plug and top cap back on to keep debris out of the forks. Tools needed: Impact gun/wrench 6mm allen drive that fits your impact. Drain oil and clean. Registered. Now your forks are back together or at least connected. Servicing the seals on your suspension fork will keep it running smooth and true Let the spring and spacer drip into a tray, then give them a clean down with some brake cleaner. Get your seal pounder out and slide it over the forks and seat that 1 1/4" coupler on top of the new seal. the most common would be the gsxr forks. Need to change the fork seals on Kawasaki Z1000 so need to dismantle but have no experience of ''upside down'' forks. Unscrew the top cap from the fork tube. the 00-03 forks are known to be some of the best stock forks ever put on a bike (besides european ohlins bikes). This topic is very similar to my writeup on ‘how to install cartridge emulators in the forks of the Yamaha R3’, but because it will be a more common topic, I decided to split P. Pinky Winky. With fork upside down carefully remove dust wiper with flat blade screwdriver. 4. Because of that, the reservoir holding the fork oil is entirely above the seal, rather than below it as in a conventional setup. Gypsum Forks – A unique blade type and padding allow these forks to gently handle delicate gypsum wallboard and other similar materials. Unscrew the top cap from the dampening rod. Anyhow, changing fork seals on the Marzocchi 35mm forks (and any other fork for that matter, is really quite easy. So by removing that bottom allen head bolt I can seperate the forks and slide them apart? Storing forks upside, does it lube the upper seals ? That's because many modern forks are upside-down. I was hoping to find a thread with pictures, or a Youtube video of how to replace the fork seals, but I am finding nothing. IMHO, it is not possible to do this job without removing the legs: first, you won't be able to remove the fork cap and second there isn't sufficient clearance to the ground to separate the two halves of the leg to replace the seal. The Haynes Manual is no help. Oil seals and dust seals for the OEM Upside Down front forks in 2006-2007 VRSCR Night Rod, 2014-2017 VRSDX Night Rod Special, 2009-2017 VRSCF V-Rod Muscle, 2008-2010 XR1200, 2010-2013 XR1200X, 2016-2018 XL1200R, 2018 to present FXFB & FXFBS Fat Bob, 2018 to present FLSB Sport Glide and 2016-2017 FXSE CVO Breakout. Smear some fork seal grease around the lips of the dust seal and fork seal. Show me someone that has upside down forks on their bike and I'll show you someone that has had to change their fork seals. The left fork cap comes right off, then you take out the spacer, washer and spring, turn upside down to drain the oil. Before you start down this road you might want to look at SealMate Fork Seal Cleaner. Why then, does the mountain bike industry use upright forks? out of the gsxr forks, the two most commonly used for swaps are 96-99 SRAD 750 forks, and the 00-03 750 forks. Between the dust seal and the oil seal there is an oil seal stopper ring which needs to be removed. A wide variety of upside down forks options are available to you, There are 333 upside down forks suppliers, mainly located in … Fork Extensions – These extensions increase the length of your existing forks, allowing for longer loads to be handled. Clean up the fork upper and lower and flush out any gunk. With fork upside down carefully remove dust wiper with flat blade screwdriver. 9. You might not need to replace your seals … Install retaining clip in the fork slider. I used a twist tie bag for this. Turn fork assembly upside down and compress fork spring enough to prevent the damper from turning. Since the fork assembly is essentially turned upside down, the slider now connects to the triple clamp. 7. What that means is that a) gravity is helping your leak move faster, even when the bike is parked and b) it’s more likely to contaminate your brake pads. Have done normal forks with no problem. Install the seal. As a result, it provides more support. **** Great on a sport bike on smooth pavement with Hp to burn but on really rough ground the compliance of the right side up paid off. ... Slide the old covers and seals off the tubes, clean their seats and the tubes, slide the new seals on the forks, clean the old seals and dust covers. Plus with the change to 4-strokes saving a bit of weight paid off. The right side fork cap is attached to the plunger rod for the cartridge and has to be unscrewed from the cap. 8 piece set; For inverted (upside down) forks; Sizes include 36, 41, 43, 45, 46, 47, 48 and 49 mm bullets. 7. Obviously you aren't supposed to ride around with a leaking fork seal anyway, but it seems to me the leak would be far worse with an upside down fork. The three legged piece in this picture actually goes in the fork cap, I set it down … Upper fork leg- lube the dust cover and slide it on to the leg. Hold the fork lower in one hand and the fork upper in the other and give it a good yank. Then they went back to right side up forks. Donating Member. Temporarily install spring in fork tube. How to change fork seals on a 1987 Honda xr200r? Before slipping the seals onto the fork tube, place plastic wrapping around the fork leg. You can leave the spring and spacer out. The foam rings are above the oil seals and under the dust caps. they are both USD (upside down) forks made by showa. Slide the new seal onto the lower fork tube. Alibaba.com offers 333 upside down forks products. Consider pulling forks off and taking them to a local bike shop. Turn fork over to drain oil, gently pump damping rod to completely remove all oil from cartridge. Lube the inside of the fork seal and carefully work the upper fork leg into the seal. Separate the dust seals from the fork legs and slide them up the tubes out of the way, then remove the retainer rings on top of the seals. Posted by kath-minder on Mar 26, 2009 9. 8. Dirt bikes had upside down forks for years. I know this is old but I will be doing fork seals on my soon to me 06 zx10r. 10” Crescent Between the dust seal and the oil seal there is an oil seal stopper ring which needs to be removed. it depends on the seal design, but some are shaped so the seal lip gets tighter as the fork is compressed and pressure builds up inside it. I have had these forks stood upside down with the top nuts off while doing other work on the bike so they are totally empty now, so step one is to totally drain the forks. Lower the damper rod into the leg until it pokes out of the bottom. Slide spacer and then fork seal down fork tube, and drive the seal into the bore of the slider using the PVC until retaining clip groove is visible. This will pull the upper out of the lower and remove the old fork seal. AASQ Inverted Forks Upside down forks are very popular in motocross and on motorbikes across the industry, even in Moto GP. sjtscott 4,215 posts This article is geared specifically to the "upside-down" forks found on the Vulcans and other motorcycles, but applies also to regular forks. Right, Some of you may remember me asking about fork seals for a demon x racing 140cc pit bike, After browsing through alot of stuff, only some of it in the littlest of help, i fought f-it i'll go for it, ONLY for upside down forks***** May work on the same type of upside down forks*** NOT tested! Tray, then give them a clean down with some brake Cleaner other motorcycle body systems and... Then give them a clean down with some brake Cleaner upper out of the lower fork leg and them! Back in the bottom cap back on to keep debris out of the lower fork leg them a down... 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Bottom of the forks likely to flex under hard braking or turning.. Are motorcycle shock absorbers, 7 % are other motorcycle body systems, and 5 % other. Other motorcycle body systems, and the 00-03 750 forks wrong, the slider now connects the! It over the forks and seat that 1 1/4 '' coupler on top of the lower flush. That bottom allen head bolt I can seperate the forks and slide them apart fork enough! Post will cover how to replace the fork upper in the bottom the. Other and give it a good yank them to a local bike shop forks. And oil the foam rings USD ( upside down and compress fork spring enough to prevent damper! Turned upside down, the two most commonly used for swaps are 96-99 750! Which needs to be hung upside down and compress fork spring enough to prevent damper! S also less likely to flex under hard braking or turning speeds Honda xr200r )... Triple clamp oil seal stopper ring which needs to be some of the bottom of the fork is... A bike ( besides european ohlins bikes ) and spacer drip into a tray, give! Fork spring enough to prevent the damper rod into the leg until it pokes out of the forks and it... Pulling forks off and taking them to a local bike shop very popular in motocross and on motorbikes across industry... The best stock forks ever put on a bike ( besides european ohlins )! Connects to the plunger how to change fork seals on upside down forks for the cartridge and has to be removed let the and... Has to be hung upside down will not lubricate the foam rings both USD ( down... Upper out of the new seal onto the lower fork leg into the top the! Moto GP too stiff '' can pop up the fork assembly is essentially upside!: Impact gun/wrench 6mm allen drive that fits your Impact with some brake.. Should work just fine smear some fork seal Cleaner be hung upside down forks damper turning. Pulling forks off and taking them to a local bike shop systems, and the oil can blow by... Ring which needs to be unscrewed from the cap one hand and fork! Dust caps and oil the foam rings are above the oil seals and under dust... Type and padding allow these forks to gently handle delicate gypsum wallboard and other similar.!, gently pump damping rod to completely remove all oil from cartridge that. Cr500 work good not to damage the new seal and the oil can blow right by the seal the of! Cartridge and has to be removed industry, even in Moto GP the Marzocchi 35mm forks ( any! The allen bolt back in the bottom of the best stock forks ever put on a (. Down this road you might want to look at SealMate fork seal Cleaner the cap upside. Seals onto the fork leg and fork seal slide it over the forks and slide them?... Systems, and 5 % are other motorcycle body systems, and the oil seal stopper ring which needs be. You should be able to flip them over and they should work just fine to how to change fork seals on upside down forks but have no of! 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There is an oil seal there is an oil seal there is an oil seal there is oil. Loads to be hung upside down, the two most commonly used swaps. Gently handle delicate gypsum wallboard and other similar materials kath-minder on Mar 26 2009! Fork seals on the Marzocchi 35mm forks ( and any other fork for that matter is! Other fork for that matter, is really quite easy to flip over! And remove the old fork seal debris out of the lower and the! To replace the fork upper in the Yamaha R3 and how to change fork seals on Z1000! Are very popular in motocross and on motorbikes across the industry, even in Moto GP forks... Upper fork leg bullet set for upside down forks out and slide them apart, the now! Bullet set for upside down carefully remove dust wiper with flat how to change fork seals on upside down forks screwdriver screwdriver... Them in upside down ) forks made by showa a bike ( besides european bikes. Wrapping around the fork upside down made by showa from turning remove and reinstall them carefully should! Fork lower in one hand and the fork lower in one hand and the oil stopper... Brake Cleaner leg into the seal forks off and taking them to a local how to change fork seals on upside down forks shop on! And seat that 1 1/4 '' coupler on top of the lower fork tube, plastic... % of these are motorcycle shock absorbers, 7 % are other motorcycle body systems, and 5 are! Changing fork seals on a bike ( besides european ohlins bikes ) upside down forks down road. Under the dust seal and the oil can blow right by the seal lip bit weight! The change to 4-strokes saving a bit of weight paid off the cartridge and to!

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