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The TTR250 FAQ web pages -> TTR250 -> Projects and restorations -> Fixation du sabot (repair front bracket for bashplate)
Post Info TOPIC: Fixation du sabot (repair front bracket for bashplate)
alainttr250


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Fixation du sabot (repair front bracket for bashplate)
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Fixation comme une autre du sabot (Fixing as another of the clog)



Plaque alu, vis frein et boulon galva.



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TTRfan


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RE: Fixation du sabot (An alternative bashplate fixing)
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An excellent repair Alain. 

Brian



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rattlyolddt


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By co incidence my bash plate came loose at the front at the weekend.

Now I believe its a crd plate, and I didnt fit it. I.have no idea how it should fit.

It is however still covered in mud, and as yet I have been u.able to wash the bike, or have a closer look.

Can any one give me a heads up on what to look for? Because it does seem to be missing something.

Cheers

Ed

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Cubber


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At the foot of the square section down tube from the steering head is a thin plate that has a central, threaded hole in.
To this hole is screwed an angle across from side to side with two threaded holes to take the front fixings of hte CRD bash plate.

IMG_8482.JPG

The angle piece, on mine, remained fixed to the bash plate but the thin plate at the frame foot had broken. cry (See above)

Alain shows his method of fixing an alloy extension - down to the two fixings on the bash plate. His method, however, does not utilise the thin plate at the foot of the frame.

Mwdscf5257.jpg

The small plate on mine was replaced with a more robust plate and the cross angle fixing was used to fasten the CRD plate in its original style. smile

Martyn



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East Budleigh. Devon
TTRfan


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This is what the CRD fittings look like:
BP 008.jpg 

And this shows the front support being bolted up into the section of frame that I guess Alain lost and which Martyn got rewelded:
BP_fitting 001.jpg 

HTH wink

Brian



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rattlyolddt


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A wash followed by a trip to dads bike fixing shed may be in order then. Ill have a look see when im allowed back in the shed. I take it this is s common failure?

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Cubber


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It's only a common failure on those TTRs that have a bash plate, are ridden frquently and are ridden on lumpy ground/lanes. smile

If your TTR's used as a TTR is built to be used then it could be described as a Yamaha design fault.

Easily rectified though. wink

Martyn



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alainttr250


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Veiled, the former fixing.  Me, I did not have courage to reweld it to the framework of the bike. 

 

This clog CRD is ok for the TTR yamaha.  His defect is this fixing. Yes!

 



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armcosurfer


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I've just knocked up a basic bashplate out of a bit of 3mm ali scrap I had in the workshop and I had the same problem,I drilled a 6mm hole just a bit higher up on that bracket and bolted it through there.

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LRJ


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Any chance of a photo of your home-made bash plate, armcosurfer? I am considering making one, myself, as I don't really like the after-market plates available in the U.S.

Larry

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armcosurfer


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I'll take a pic tomorrow if I get time Larry, it's just a basic flat plate running under the bottom tubes with two  'wings' upswept at the front sides to protect the casings. 



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armcosurfer


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Here it is.

TTR bashplate 002.jpg

TTR bashplate 004.jpg



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armcosurfer


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ps,I would have made it a one piece folded job,but I only had three smallish pieces of ali :)

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LRJ


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Very good. Thank you. Does the center piece run the length of the engine bottom?

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armcosurfer


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Yes it does,and the 'wings' are rivetted on properly-I use a hammer and buck to peen them over. 4 or 5mm plate would be better but this will do for my purposes I think.



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TTRfan


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New front bracket for bashplate
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Here is another idea for a fix from Robin Webb.

You will see that Robin used Rivnuts to fix the bracket to the frame.

Overall I think this is the Rolls Royce solution!

Brian

Bashplate mounts 1.JPG

Bashplate mounts 2.JPG

Bashplate mounts 3.JPG



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