Yamaha forks on a BMW F650GS Dakar

[swamp]

Originally Posted by dwayne

You use a thinner section when using steel, looks can be deceiving. Aluminum's strength to weight ratio is better than steel, but it strength to thickness ratio is shockingly poor compared to steel. You would also change the feel of the rear suspension, steel has more flex...I imagine there would be both good and bad things that come from a more rigid swingarm.

Again the KTM 950/990 would be a decent comparison for weight and use to a Dakar.

I suspect you wouldn't break most swingarms from modern bikes, but I can only imagine the headaches of trying to modify one (remember the bmw chain is on the "wrong" side). Take a look at which parts get modded (or not) on a tourtech rally bike as a baseline the for value of a high performance mod. I believe they use the stock swing arm.

pretty sure some of the husqvarna 2 strokes also have the chain on the wrong side. just an idea.

[Gangplank]

What is the story with the dust cover? If I'm using YZ250F and using the YZ bearings to & bottom right? So do I use the BMW dust cover or YZ?


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[WayneC1]

If you are referring to the steering head bearings, look to the Koyo bearings with inbuilt seal, one is
Koyo Part No 320/28JRRS (Replacement for stock BMW bearing)
F800 and other model owners have moved to them for longer SHB life, I would still use the metal dust cover as well

[Gangplank]

Originally Posted by WayneC1

If you are referring to the steering head bearings, look to the Koyo bearings with inbuilt seal, one is
Koyo Part No 320/28JRRS (Replacement for stock BMW bearing)
F800 and other model owners have moved to them for longer SHB life, I would still use the metal dust cover as well

The bearings on the steering stem. Thanks for the link. Planning to get a replacement set of bearings for the YZ.

What I'm really asking are what dust covers are used?

[tomatoe333]

Originally Posted by Gangplank

What I'm really asking are what dust covers are used?

I used a KTM dust cover on the top side. Same part number used on pretty much every KTM since 2000. Works nicely.

Bottom just gets the seal included in the bearing kit.

[isgila]

Good day, this topic have been discuss before few pages back, yes i read the whole thread..
I believe Herrhelmet and Rcmad made 12 sets of links to raise the rear to match the yz front. And yes I do agree that this is not the best way to go but sending the forks to HoH or getting a customise hyperpro not for someone who lives outside of USA. I was reading the orange crush forum and got to know that emigracing.com does customise links for ktms. If anybody would be so kind to share the CAD drawings with me, i will check out the cost to run a couple of sets..
Thank you.

[Gangplank]

Does anyone have measurements for the ignition key lock mount? I remember seeing a drawing around here but can't find it now.

Thanks,



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[GSBS]

Originally Posted by Gangplank

Does anyone have measurements for the ignition key lock mount? I remember seeing a drawing around here but can't find it now.

Thanks,



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Scroll about 2/3 of the way down in this document.

[swamp]

quick question.
will the center stand work with the 18" rear wheel?

::edit::

never mind

[Gangplank]

Anyone have measurements for the Dakar center stand and side stand? I may need to extend-a-weld a GS stand to make it dakar'd

[swamp]

anyone know how tight this nut is supposed to be?





i read on thumper talk that the steering stem nut is supposed to be 105ft lbs. not sure if that is correct.

[WERA456]

I just did the front fork swap. I have a few details I need to figure out still.
I am running the yz wheel and caliper. So my abs does not work any more. Can I still get the rear abs to work? If not what all can I rip out having to do with the abs?
How did you route your brake line. Can someone post some pics. I currently am still using the stock headlight and fairings.

[Gravel Seeker]

Originally Posted by WERA456

I just did the front fork swap. I have a few details I need to figure out still.
I am running the yz wheel and caliper. So my abs does not work any more. Can I still get the rear abs to work? If not what all can I rip out having to do with the abs?
How did you route your brake line. Can someone post some pics. I currently am still using the stock headlight and fairings.

I'd understand ABS just at the front, but just at the rear I don't see the point

[WayneC1]

ABS does a wheel speed comparison between front and rear wheel so running it on one wheel only would be interesting to say the least, sure would find any firmware bugs fast, can we be there to take pic's ?

GSBS has confirmed the ABS removal process I put in the back of the notes I made as the thread progressed so look at that as a starting point
http://www.f650gs.crossroadz.com.au/...orkNotesYZ.pdf I would update the notes if anyone posted more info

Re the nut referred to by swamp, it is the SHB tension adjustment nut, bit like the nut behind the wheel, would not react well to 100 odd foot pounds of force

[swamp]

Originally Posted by WayneC1

Re the nut referred to by swamp, it is the SHB tension adjustment nut, bit like the nut behind the wheel, would not react well to 100 odd foot pounds of force

i hand tightened the nut pictured above, then i torqued the top nut that is under the handle bars.

does this sound ok sufficient ?