Rear mudguard "home made" for R1200GS

jean6

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Hi,


I thought the following could perhaps be of interest for some of you…


For the reason that I couldn’t find any store which sells the ideal back-mudguard for my 1200GS;
I have made one by my own.


After searching on the internet I found some models available but at my personal opinion they presented the following errors:


- Some of them are too short and they don’t protect enough.


- Some of them show lack of solidity due to the fact that the fixation of the supple bearing which is used for the pulling Paralever is movable.


- Some of them are fixed with adding drilled holes on the swinging arm, which in my case isn’t recommended for the reason that my bike is still
under guaranty.


- The other mudguards are to close to the wheel, so I suppose that some of the gravel could become wedged into the tire, which could invite the whole thing to explode!


In the model that I have made I have tried to conserve the same distance as in the original mudguard, while keeping in consideration the maxima course specified by BMW which is 200milimeters.


I've done some off-road tests (with presented big holes); using most soft setting suspension, which to me seemed to be ok.


However I cannot speak up in case of intensive sportive off-road use for the reason that I don’t use this bike to practise the off-road sport (due to its weigh).


I also tried a short speed of 180km/h and without friction, nor has it shown any other problem.


It's a great machine which give me allot of satisfactions and with this accessory no more watering feet or dirt on the backside.


First of all I want to specify that one should constantly keep in mind that security and solidity may not be omitted during this realisation.
Various elements are mixed and add to the essential parts of the motorbike, as well as for the pilot and the passenger.


Therefore I decline all responsibility concerning the information that I furnish here.
It's all up to you to make the same mudguard, or to take inspiration from my work to make your own realization.




But first; that’s what it looks like when it's finished:






























And some details:











































During the realization:







































And finally some additional designs:

























I used a Universal Goneli Trial Mudguard (reference 1101) paid 31.25€ with shipping charges included, and available on the following webstore:
http://www.francetrialclassic.com/fr/famille/21/1.html


Then, as this one is planned for a tire 4.00x18, it is necessary to pose it on the tire of the 1200GS and to heat it by a blow heater to be able to deform it slightly and to increase it in width. The longest curve is good.
This operation is most delicate and one should not too much heat with the risk to melt the plastic!
To avoid this it is necessary to be patient and to proceed by zones, while pushing on the mudguard for example with a piece of smooth neoprene rubber which will isolate from the temperature (and not to burn itself), which will avoid marking surface.


Perhaps you will have the possibility to find a better adapted mudguard, however I personally didn't have found any.


It will be necessary to sandpaper the mudguard with fine paper of # 220 and then with # 360 for example.
Be very careful while using the sandpaper because this type of flexible plastic scratches easily and the painting doesn't adhere very well.
The goal to reach is to remove the brilliance and to allow the fixing of the finish.
I used 1 Layer with a surface spray for plastics, and 1 other layer with painting spray for plastic car bumpers.


For the completion; the mounting feet and spacer are stainless brushed, and aluminium brushed; the bent leg is varnished.


For the assembly you can use for example Loctite screw lock, etc... See photographs…


Hope you will enjoy…


By the way I wanted to send you all my best wishes for 2007…




Jean6 (from France)
 
Nice work looks good, would try & find a black mudguard if i make one as i bet it the black paint will flake .
I like it :thumb
 
I will test ride one if you want another test pilot??
It looks like you are very particular and i must say its a briliant idea to fix it to the genuine BMW guard thus adding strength.

Looks better than any i have seen, Well Done. Wish I had the time to build one.
 
Looks to be well designed & thought out, although it's duty renders it unattractive.....

Job well done........:thumb
 
Hi Jean,

welcome to the forum,and thanks for sharing with us your experience :thumb

Thats a fact that all the rear mud guards for the GS 12 sucks,and I also was thinking for something self made,seems you have found a good solution.I was turning this problem in my head for a time now,and I know its not easy to make something good looking & strong enough. So bravo! nice job :clap

A+ Pogo
 
WELL DONE!!, a well dirived guard of the heath robinson family,:rob

I think it looks great,,but does it work!(cure the wet leg syndrome).:thumb
 
Wow what an excellent post and a brilliant piece of kit - well done!!!!
 
Jean, What an excellent solution :clap

Thanks for the write up and detail in explaining your methods. :thumb

Why not get over to the Newbie section and introduce yourself to the rest of the 'tossers' :D
 
:clap Jean, what a good neat solution to the problem. When I have some time and the inclination I might have a go at emulating your design. Happy New Year.
 
Hi Guys,



Glad to hear you like my post…Hope it can be of help for some of you.:bounce1 :bounce1 :bounce1

Please keep me informed about your personal experiences in case you have made a construction of your own in the past, or about your eventual future realizing.

I too would like to learn from your experiences and all advices and suggestions are welcome..



Thanks and Happy 2007.:beerjug:
 
Salut Mec!

C'est pas mal, hein? Normalement je ne regarde jamais dans le partie 1200GS, parce-que je roule avec une ancienne becane, le 1150GSADV. Il y a deux annes, j'ai habite a St Jeannet, mais on a fait le demanagement dans le Var (plus tranquil). Je travail a Sophia, donc je viens dans le 06 tous les jours.

A+

Rob
 
C'est pas mal, hein? Normalement je ne regarde jamais dans le partie 1200GS, parce-que je roule avec une ancienne becane, le 1150GSADV. Il y a deux annes, j'ai habite a St Jeannet, mais on a fait le demanagement dans le Var (plus tranquil). Je travail a Sophia, donc je viens dans le 06 tous les jours.

A+

Rob
OI!.. none of that..:nono

Very neat...
 


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