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Author Topic: Dakar tail light unit  (Read 350 times)

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Offline Mad777max

Dakar tail light unit
« on: April 23, 2018, 05:34:56 pm »
Almost lost my dakar tail light/numberplate unit on a recent wuperthal expedition. Only realised it two weeks after the trip.
So I mounted my rear light ridged instead of on the rubbers, and made a plate to reinforce that rear section. Will lasercut a proper one in due time. But for now all seems to be working! Rhe two top plastic tabs broke off, and the bottoom plastic tabs are slotted and not closed, so the whole unit could slide out. Apparently this is a thing on the dakars, I have heard many accounts of it happening to various people
 

Offline Zanie

Re: Dakar tail light unit
« Reply #1 on: May 10, 2018, 09:00:01 pm »
So it's not just the 650GS, but the Dakar also has this issue...
If it makes you feel any better, I've broken my tail-light section too many times. I replaced it in the end with an after-market non-BMW rear.
Check here: http://www.wilddog.za.net/forum/index.php?topic=208704.msg3813905#msg3813905
 

Offline Oubones

Re: Dakar tail light unit
« Reply #2 on: May 10, 2018, 09:11:50 pm »
My old one ended up with a trailer taillight as the whole thing decided to stay behind somewhere around Hella Hella pass. :imaposer:
Honda ST1300
KLR650
 

Offline Jughead

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Re: Dakar tail light unit
« Reply #3 on: May 11, 2018, 08:16:03 am »
So it's not just the 650GS, but the Dakar also has this issue...

F650GS and Dakar is exactly the same bike as far as frame, plastics and electrics goes.  Only difference between the two is suspension and front wheel size.
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Offline Zanie

Re: Dakar tail light unit
« Reply #4 on: May 11, 2018, 09:35:49 am »
F650GS and Dakar is exactly the same bike as far as frame, plastics and electrics goes.  Only difference between the two is suspension and front wheel size.

The suspension difference is what was giving me the headache. I think the Dakar, even when bottoming out, will have its number-plate clear of the rear wheel. On the 650, the chance of a legal-sized number-plate hooking on to the rear wheel knobblies when bottoming out is quite high. Ask me. I replaced that damn tail unit piece about 2-3 times before giving up. But it seems the attachment points are also not strong in general, with both bikes.
 

Offline Zanie

Re: Dakar tail light unit
« Reply #5 on: May 11, 2018, 09:44:15 am »
Or perhaps my 650's set-up is just screwed up in general, since a previous owner replaced the standard front wheel with a 21-inch wheel (though they didn't swap out the forks - the Dakar's is a good 10cm longer), which could cause the rear to be lower than it should? Thanks to the larger front wheel and still-standard side-stand, the bike also leans heavily to the left; taking Hulk-like action to get it upright.
 

Offline Jughead

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Re: Dakar tail light unit
« Reply #6 on: May 11, 2018, 12:28:27 pm »
Or perhaps my 650's set-up is just screwed up in general, since a previous owner replaced the standard front wheel with a 21-inch wheel (though they didn't swap out the forks - the Dakar's is a good 10cm longer), which could cause the rear to be lower than it should? Thanks to the larger front wheel and still-standard side-stand, the bike also leans heavily to the left; taking Hulk-like action to get it upright.

Zanie, the Dakar has a longer rear shock, giving the rear wheel a lot more travel.  On the standard GS, if you are doing gravel, make sure the rear preload is turned in as far as it will go, then back about 1/4 turn.  That will prevent all but the worst of the bottoming out.

The side stand issue is easily resolved, but requires the lower frame section to be removed from below the motor, top weld to be cut, sidestand mount to be bent to the correct angle, and then re-welded and replaced.  Takes about an hour if you include repainting it.
I came here to drink milk and kick arse!  And i've just finished my milk.
http://www.dsmc.co.za        http://www.triumphowners.com/to-car/mkiii/
Supplier of Ticket to the Moon Hammocks   http://www.ticketothemoon.com             
 

Offline Zanie

Re: Dakar tail light unit
« Reply #7 on: May 11, 2018, 01:11:34 pm »
Zanie, the Dakar has a longer rear shock, giving the rear wheel a lot more travel.  On the standard GS, if you are doing gravel, make sure the rear preload is turned in as far as it will go, then back about 1/4 turn.  That will prevent all but the worst of the bottoming out.

The side stand issue is easily resolved, but requires the lower frame section to be removed from below the motor, top weld to be cut, sidestand mount to be bent to the correct angle, and then re-welded and replaced.  Takes about an hour if you include repainting it.

My preload adjustment "knob" is bust. An Allen key is required to adjust it. Yet I've had no issues since I modified the rear. The number plate is now held high and free from the wheel. Anyway, the 650GS is now officially retired from bad gravel. I have another bike for that now.  ;)

The side-stand thing doesn't bother me too much either, so I'll leave as is. I've dropped enough cash on the 650. I need to save whatever's remaining just to get it running properly (still has jerky riding issue). Sigh.