K75 Fork gaiters?

TOM1911 · Apr 28, 2008

I've been trying to find a set of gaiters for the K75 that has finally worn out the springs, seals and dust boots that were original to the bike. Ihave seen in other posts that Rancho Suspension makes a nice set of gaiters but i have not been able to find a part number or a supplier for these items. I,m rebuilding the forks and I live in a sandy and dusty environment and gaiters sound like they would help extend the life of the fork seals. Any help would be greatly appreciated.

deilenberger · Apr 28, 2008

Tom,

Google turns up http://www.gorancho.com/home.php

I don't have the specific model ##.. but http://www.gorancho.com/products/accessories/additional_accessories.php lists some in lots of colors..

These weren't made for "forks" - the ones that were on my K75S were shock absorber boots - probably the black ones shown on that page.

motoedde · Apr 28, 2008

Tom,
I agree with Don...those Rancho boots fit the K like a glove and are cheap!

Hit their website and find their local supplier...

jdiaz · Apr 28, 2008

I use the classic /5 fork boot on my K75. The ladies dig it.

TOM1911 · Apr 29, 2008

Thanks Don.. Just ordered a set of Rancho RS1952 thru Summit Racing. Should do the job admirably :beer

robsryder · Jun 27, 2016

I wanted the accordion fork boots on my 92 K75S. I went to Re-Psycle BMW and obtained the boots. A set of K75S fork lowers and fork tubes were used to make certain that the boots would fit. The part number for the fork boots (which fit perfectly) is 31-42-2-311-077. I used some old clamps of the appropriate size to secure the boots to the forks.

I had some issues with extracting the fork tubes from the triple clamps. I used a good bit of heat from a propane torch on the lower and upper clamp (after removing pinch bolts!). The fork tubes slid out after heating.

Although I cleaned the inner surface of the upper and lower clamps with scotchbrite, it was necessary to use heat to allow the fork tubes to be inserted.

72r60/7 · Jun 28, 2016

Check out Amazon for the RS1952's. $5 or less each, I think. I've done 2 K75's and will definitely do another when the forks come off for some other reason than to put fork covers on. One of the cheapest additions to your bike you will ever buy.

I did trim (with scissors) the lower inside of each boot so that the tie wrap and boot fit properly.

Charlie

robsryder · Jul 1, 2016

72r60/7 said:
Check out Amazon for the RS1952's. $5 or less each...

Sigh! I did see that the RS1952 boots would work AFTER I'd obtained and installed the BMW fork boots. I did purchase a couple of the RS1952 boots from Summit Racing for my other K75S (or airhead GS as this was the basis for the BMW boots from Re-Psycle).

It might be worthwhile to sticky the link to Summit Racing and note that the RS1952 boots are a much less expensive alternative to the BMW boots for the K75S.

https://www.summitracing.com/parts/ran-rs1952

98lee · Jul 2, 2016

Rob,

Added to tech library per your suggestion.

chunk · Sep 26, 2018

Fork boot question

Old thread i know, but my question seems good here. So i plan on putting boots on my '93 k75 and am gathering the necessary parts, boots, clamps, etc. For those that have installed a pair, did you leave the wipers on or not? I don't know if it would matter either way, but am leaning toward leaving them on unless there's a good reason not to. Also, is a vent hole needed to allow air to escape when compressed? It seems to me my r75/6 had a roll pin at the top that matched with a hole in the boot and vented the boot when the boot was installed . Thanks.

pglaves · Sep 26, 2018

chunk said:
Old thread i know, but my question seems good here. So i plan on putting boots on my '93 k75 and am gathering the necessary parts, boots, clamps, etc. For those that have installed a pair, did you leave the wipers on or not? I don't know if it would matter either way, but am leaning on leaving them on unless there's a good reason not to. Thanks.

I always took them off. This greatly simplified the process of just lifting the lip of the gaiter to detect any seepage past the fork seal. I checked the seals for seepage at least once a year or during a major service just because ... a snug gaiter can hide a leaking fork seal for a long time.

chunk · Sep 26, 2018

PGlaves said:
I always took them off. This greatly simplified the process of just lifting the lip of the gaiter to detect any seepage past the fork seal. I checked the seals for seepage at least once a year or during a major service just because ... a snug gaiter can hide a leaking fork seal for a long time.

Thanks for the reply, yeah i thought about that, i always sneak a peak at my xt500 seals now and then. Pretty good reasoning. Cheers, Scott.

richo2006 · Oct 22, 2018

Hello,

After having to replace the fork seals on my '93 K100 LT two times because of leaks, I installed Rancho RS 1952 gaiters. However, they seamed a bit long so I cut a couple of inches off the bottom of the gaiters using a hot putty knife. I also used a hot nail a melted a weep hole at the back of the gaiter on the bottom. Also, I ordered narrow hose clamps,50mm to 70mm dia, similar to the ones that came on the gaiters on my '78 R80/7 from Turner Motor Sports.

Richard Flood

K75 Fork gaiters?

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