Question about BMW K 75 S Motorcycles

1 Answer

How do i remove forks from K 75S I981 B.M.W. motor bike. everything is undone . wont budge .

I want to remove as the oil seals are leaking

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  • 308 Answers

With everything undone use a rubber or plastic mallet to slide the forks out

Posted on Feb 21, 2015

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6 Suggested Answers

Anonymous

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Posted on Jan 02, 2017

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terry weightman

  • 137 Answers

SOURCE: fzr1000 fork oil

hello m8,,i had one of these babys,,grab your self a medium grade oil,, if u have a litre bottle u need to put just over a quarter of that bottle in each fork,, or if u have a 500ml bottle pour half a bottle in each fork,, cheers

Posted on Mar 24, 2009

Anonymous

  • 1 Answer

SOURCE: 2004 honda shadow 600 VLX leaking fork seal bike

The seal under the dirt seal on the fork was leaking when I picked the bike up from the owner. left the fork oil under the dirt seal kept bouncing the forks up and down for 4 days the seal got soft from the fork oil so I pulled the dirt seal up then cleaned the fork oil under it with a rag then checked it for leaks then pushed dirt seal back down in the groove and its not leaking now 200 miles and still dry.

Posted on Jun 07, 2009

thomasnee

  • 677 Answers

SOURCE: front fork leaking oil from bottom of the seal.

Before you take it to the shop try this.Get some camera film,Cut the notched edge of it and trim the top to an angle of 45 deg..Slide this up into the fork seal and working it up and down,slide it all the way around the seal.When you get the feel of it,you can feel tiny bits of grit.This will clean the grit out 99% of the time.I always keep a piece of film in the toolbox.

Posted on Jul 16, 2009

Anonymous

  • 6 Answers

SOURCE: Fork seal replacement on 82 yamaha 750 seca

On the top and bottom parts of the triple tree either both or one will have bolts. First take the fender off. Take the front tire off. Loosen the bolts on the triple tree. They should slide down. If not you have to get a rubber mallet and tap on the top of the fork and twist the fork as you are doing this. Once it is out, pull the dust seal off the top of the lower fork. There will be a clip inside, take the clip off drain the oil out of the top or bottom depending on how the forks are made. Push the fork tube down into the lower fork slightly, pull both apart with a firm tug and they should separate.

Posted on Sep 21, 2009

Testimonial: "Very helpful thanks alot"

wd4ity

wd4ity

  • 4565 Answers

SOURCE: My front fork o-ring seal is leaking, how do I

There is a seal in the "slider" of the front fork, the part that moves up and down. I haven't had a chance to work on the later forks but the earlier 41mm forks are quite simple.

Start by taking the drain plug out of the bottom of the slider and work the slider up and down to blow out all the oil. Then, remove the front wheel. Remove the top cap from the upper tube and loosen the top plug. Now, with the top plug loose, loosen the pinch bolts and slide the fork out of the triple trees. Remove the top plug carefully, There is a BIG spring in there. Once you have the plug out lift the spring out and set it asside. Notice the tapered end of the spring. It goes back in first. Turn fork tube upside down and allow as much oil to drain out as possible.

Now, look at the bottom of the slider where the axle goes. Up in a hole there is an allen head bolt. it is designed to use a special wrench but a regular 8mm allen key in GOOD shape will take the bolt out. It's best to use an air wrench to do this with. With the bolt out, the slider should slide right off.

Down inside the top part of the slider is where the seal is. Theres a snap ring, a spacer, and a seal. Replace the seal and put a little oil on it to assist reassembly. Put everything thing back together and add the appropiate about of oil. Since your forks are much larger than mine, I have no specs as to the quantity. The owners manual should tell you or a call to a local Harley dealer. Sorry but thats a good as I can do. There is a "wet" measurement and a "dry" measurement. Since you disassembled your fork, use the "dry" quantity of oil

Posted on Apr 19, 2010

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1 Answer

93 virago 750 fork seal repacement i need pics to follow so i can relace them myself


remove fork from bike remove dust cap,remove circlip with flat screwdriver,prize the oil seal out with pointed driver,do not scratch the chrome stanchion,slide seal off the fork,oil the fork then slide new seal onto fork, tape the top of fork to protect seal,it saves dismantling the forks and time.

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How do i oil my front shock on the yamaha 180 scooter?


You don't oil your shock. The oil can be renewed. You have to remove both fork legs from you scooter.
Remove the top cap of each, turn them upside down and pump them dry.
you can find how much oil and which oil grades goes into them. It will be either an air gap measurement or an oil capacity.
if you fork leaked, replace the stanchion seals as we'll.
i wouldn't bother doing it if it doesn't give you trouble. Scooter forks can achieve high mileage without any oil change.
the only time I replace fork oil on any daily ride bike, is when they leaked and the seals are shot.
Franck

Sep 10, 2014 | Motorcycles

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Oily fluid leaking from front suspension forks. Both sides leaking how do i repair this.


Replace the Fork oil seals. It will require you to support the bike from the headstock and remove the forks. You will also need to know the correct amount of fork oil to put in each leg. Buy the manual for your bike (whatever it is) it will cost about 20GBP. a new set of forks will cost considerably more.

Aug 12, 2013 | Motorcycles

1 Answer

Keep having leaking fork seals.have replaced seals and oil after every ride lately.(4)have tried two brands of seals last time disasembled whole of forks cleaned every part,shims everything and had...


G'day. A couple of suggestions-
Damage to the fork slider-chips or dings.
Too much oil in the fork on re-assembly can cause the seal to go.
Worn or loose fork bushes will flog the seal prematurely.
When you transport the bike-if you don't use a seal saver can pop the seals.

So let me help with these.

Be sure that the fork slider is not scored,dinged or damaged on th surface.

A good double check of the oil quantity is to ensure that when you have re-filled the tube with oil & primed it(worked the air out of it), the oil level should be 100 to 110 mm from the top of the leg to the oil with the fork fully compressed. If the level is less than this-drop it to 100mm.

To check the fork bushes-try pull on the front forks front to back(wobble) & feel for looseness in the bushes.

And finally-When you transport the bike-put a chock(I use an empty 5ltr oil container-but you can buy propper chocks from the bike shop) in-between the forks at top of the front wheel .
Now when you pull the front end down it will stop on the chock & stop the front forks being under excessive compression for extended periods-so it saves the fork springs from sacking out too.
I hope this proves helpfull.
Kind regards Andrew Porrelli

May 20, 2011 | Sherco 5.1i Motorcycles

1 Answer

How to change CB250rsz front fork oil and oil seals?


hi its been quite a while since i have done 1 of these but if the bike has the original forks on it i am sure you can do this without removing the complete fork of the bike, after suporting your bike you can chose to completely remove the fork if you wish, i would first try it without removing the complete fork first, remove front wheel, remove front mudguard and inner stabilizer, keep all bolts together in a safe place, you will need a clean container, to catch the fork oil,(TIP) if you catch all the oil and alow time for it to drip dry you can measure the amount of oil that was in the fork by pouring it from the container into a measuring jug, this will save time if you dont know the specific amount of oil required, to drain the oil you will need a suitable alun key to undo the fork leg/tube securing bolt, you will find this in the lower of the fork leg where the wheel spindle fits, turn the key anti clockwise to undo it, hopefully it will crack loose, if it just spins and doesnt undo you may need air tools to shake it loose, once the bolt is undone secure the fork leg and remove the bolt, the oil will then desperse from the fork, moving the fork lower slowley up and down will help rifle the oil out, make sure the sealing washer is on the bolt or you may have to fish around inside the old oil for it, when you are happy all of the oil has been removed, carefuly pull the fork leg down all the way until it comes of the stanchion, pour any oil into your container, if when you pull on the leg it does not come off this will be because the fork stanchion on your bike has bushes that are fited to it, and not to the lower leg, in this case you will have to remove the whole fork, remove, the dust cover from the fork leg inside you will see a circlip remove this and washer, remove cap from fork top and pour out your oil, and fork spring noteing direction , remove the lower bolt, fix the fork lower in a vice at the very bottom of the leg wher the flat area is, do not grip tubular area,then to remove the seal you will need to push down on the fork stancion to its lowest point, and sharply pull up useing the stancion as a hammer, repeat this untill your fork seal is removed, replace in reverse order, good luck hope this helps. paul

Dec 12, 2010 | Honda CB 250 Nighthawk Motorcycles

2 Answers

How do i change fork seals on a Kawasaki gt 550 89' and or chec and add oil


Hi,

I was told by many people it was a hard job.
I didn't think so.

What you need is:
New Seals.
8mm Allen Key.
Half Inch Stocket bar AND Extender.
Extra Fine Sand Paper/Polishing Device.
Fork Oil + Measuring Jug.
Threaded Bar with a Two 19mm Nuts Locked to each other on one end.
Spanners.
Screw Drivers.

How to do:

First Get the Front end off the Ground (ALOT, Center Stand on Bricks for extra height.)

Remove Front Wheel and Brake Calipers.

Open Drain Philips Screw on Base of Fork (Both Sides). Dont Lose Rubber washer under screw. Watch Out Also for Oil Being under Pressure.

Remove Nut from TOP of Fork (Alowing Handles and mirrors to come loose).

From Top you can see down tube has Nut/Cap with a Square Half Inch center. Use Socket Bar (and Extender if needed) without Bit to Remove reach in and remove. Watchout for Spring Pressure under the Cap/Nut.

Use Screw Driver or Hook of some kind to remove Preload Spacers, Washers AND Spring from Fork.

Slide your Threaded Bar with19mm Nuts (Make sure they are Locked Tight together at one end) down into the Fork and let it catch on the Oil Damper at the base. You will know when it's cought because you wont be able to spin the threaded bar anymore. This will stop the Damper from spinning while you undo the Allen Bolt at the very base under the fork (Outside).

Use Allen Key to remove Bolt from Underside of Fork While having someone or somthing hold the Threaded Bar form spinning.

Now look at the Old bust/leaking Oil Seal. There will be a Clip/Locking Spring in a Groove holding it in place.

Remove Clip without Damaging any part of clip or fork.

If Everything above was Done, you can now give the slider( Bottom Part) a big tug and it will all come lose.

One Part of the Oil damper will either fall off, or be left in the slider(Bottom Part). It slides over the Damper in the base of the tube.

Clean Everything.

Clean Again.

Polish Tube.

Clean Again.

Remove Two Split Washers from base of Tube and Copper Washer. Remove Old Oil Seal.

Place New Oil Seal on Gently.

Replace back on Copper washer, followed by two split washers.

Use Grease as a kind of glue to hold the part of damper that fell off back on.

Slide Slider back onto Tube.

Screw Allen Bolt back into base of slider as per originally was (Remeber to hold Threaded Bar if it starts spinning)

Push Gently new Oil Seal into Fork Slider for Snug Fit. Be Gental.

Replace Clip/Spring over top of Oil Seal Locking it in place.

Remove your threaded bar from top of Fork.

Replace Spring into Fork.

Replace Philips Oil Drain Screw into base of fork (Dont forget Rubber washer).

Now: For a GT550 (I am told also KZ550 but can confirm) you need 300ml of 15 weight Fork Oil. EACH Fork. So a Total of 600ml whole Job. IN EACH SIDE YOU WILL ADD ONLY 300ml of FORK OIL. (15w)

After this. Replace any washers, Preload Spacers and so back into for.

Replace Cap/Nut into Fork Tube with Socket Wrench and Extender.

Replace Handles and Moirrors and Nut holding both of these.

Replace back onto bike the Front Wheel

Check Brake Calipers for leaks and Pad Wear. It's Very Cheap to get new Pads. Not cheap to have months off work after a crash.

Replace back onto bike Calipers.

Pushing Bike (Not ride) test Brakes and Suspension.

At This point I am thinking your done. You may need to Add Air Preload into the Fork via the Air Valve. 4PSI is a Starting Point. I have run upto 15psi. Without Air in the Preload you may find it too soft. Upto you.


Did I Forget Anything?


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1 Answer

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1 Answer

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2004 honda shadow 600 VLX leaking fork seal bike has 600 miles on it should I replace left and right if only right is leaking.


check first to see if the leaking fork has any rust pitting on the chrome,if it has and its a very small blemish then fettle it off first,and just replace the leaking seal,as the saying goes..if it aint broke dont fix it,if the seals had been in the forks for years and the bike not used then consider replacing both..

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1 Answer

Front fork leaking oil from bottom of the seal.


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