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Old 01-20-2012, 12:08 PM   #1
Ronin ADV OP
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F800 Stealth bike build

So in the beginning my F8 looked like this:



Then after many farkles and some new paint it looked like this:



But despite all the positive feedback I got on this look in the De-beaking thread (insert sarcasm), I still wasn't completely satisfied. I'm not a big fan of the low fender and since Lost's spectacular crash, I have been meaning to get around to re-doing the brake lines. In addition to this, my F8 is set up primarily for the dirt and I wanted to simplify the front end with less breakable stuff like blinkers and mirrors sticking off. So after a bit of work I have come up with my latest version. And a new version needs a new color. So if its going to be black, why not go all out black.















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2010 BMW F800GS, 2011 Yamaha WR250R, 2011 Honda Ruckus, 2013 KTM 500 EXC
Up the WABDR, F800GS Stealth Bike Build, WR250R Scotts Damper Install
Red dirt, rocks and sand; Riding the southern UTBDR, WR250R vs EXC 500 - a comparison
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Old 01-20-2012, 12:16 PM   #2
linksIT
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Looking good like the front fender.
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Old 01-20-2012, 12:34 PM   #3
Ronin ADV OP
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Before I get into any specific description I want to thank all the inmates who answered my questions (Lost, Dendrophobe, GP Racer, MCMX, and others I am forgetting. All these guys did these mods first. I shamelessly copied them and modified things to my own bike. Once again ADV comes through as a repository of bike knowledge. I think I'll divide my description of my mods into three parts: The fender / fork guards; the brake lines; and the bars / lights / other stuff.

There are several excellent fender mods described on ADV. I like the look of the KTM 690 fender so I went with that one. First order of business was to strip the bike down.



My dog Boof assuming the management / critic position:



The stock plastic plate that covers the horn is reused to help attach a new fender mounting plate. First you have to drill a 3/4" hole on the right corner that will allow the brake line to pass through later.



I built my fender mounting plate out of 1/2" thick PVC plate (available through various sources including Amazon). Its relatively light weight and strong and can be worked with woodworking tools such as a table saw and router table. I tried several different versions and various hole patterns but ultimately settled on this one:



The KTM fender needs a 3/4" hole near the front two holes so you can reach in with a socket and grab the main mounting bolt that comes down off the triple clamp (M8 60mm).



From the bottom of the triple you can attach the plate with 2 M6 bolts near the back and then by using a longer M8 bolt down through the stock horn mount you can pass this down through the stock plastic plate and the new mounting plate. This will pass through the larger aluminum spacer visible near the front (spacer from Aluminumspacers.com, I think its 3/4" long). The fender is then bolted up onto the PVC plate.



The fender is attached up to the PVC plate using M8 bolts passed through aluminum spacers. By changing the lengths of the spacers you can vary the angle of the fender. After trying different combos, I went with 3/4" length spacers both front and back. This gave me the right angle and clearance I wanted.


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2010 BMW F800GS, 2011 Yamaha WR250R, 2011 Honda Ruckus, 2013 KTM 500 EXC
Up the WABDR, F800GS Stealth Bike Build, WR250R Scotts Damper Install
Red dirt, rocks and sand; Riding the southern UTBDR, WR250R vs EXC 500 - a comparison

Ronin ADV screwed with this post 01-20-2012 at 02:48 PM
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Old 01-20-2012, 12:51 PM   #4
High Country Herb
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I really like the new fender. When you first did the de-beak, I thought to myself that I would have removed the lower one and kept the upper. This is even better! I did like the green color, though.
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Old 01-20-2012, 12:56 PM   #5
Ronin ADV OP
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The fork guards take a bit more effort. I went with the same Kawasaki ones that GP Racer described in his mod.



I liked the idea of the upper plastics ring that goes around the fork tube for added strength. However, after getting the product in hand and looking more closely at it I was less impressed with the ring idea. I just couldn't see how to fix it to the fork tube so that it wouldn't shift around or eventually be knocked loose so I bagged that idea. I still wanted to achieve maximum stiffness / security to the fork guard as the brake lines will attach here so I started looking for other options. I knew I was going to have to make some mounting brackets for the bottom of the guards and then I noticed that there is also another mounting hole up high in back on the bottom of the forks where the rear strut of the OEM fender attached. So I decided to mount a metal bracket from here up to the side of the guard.





The fork guards have three holes in the bottom and the forks have two bolts at the bottom for attachment. The rear one lines up OK but the front one (pointed out in the picture) doesn't line up.



Therefore the attachment bracket has to be shaped to fit this hole combo. I fashioned mine out of 16 gauge(?) sheet metal and cut it with a jig saw, then bent and shaped it with pliers, vise, grinder and a file. The holes are marked and drilled and I used several small aluminum spacers to fill in the gap between the bracket and the guard.



After returning from getting powdercoated (black of coarse).







And the rear strap.



All bolted up this configuration turned out to be stiff as hell.

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2010 BMW F800GS, 2011 Yamaha WR250R, 2011 Honda Ruckus, 2013 KTM 500 EXC
Up the WABDR, F800GS Stealth Bike Build, WR250R Scotts Damper Install
Red dirt, rocks and sand; Riding the southern UTBDR, WR250R vs EXC 500 - a comparison
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Old 01-20-2012, 01:36 PM   #6
Ronin ADV OP
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Time to drain and get rid of those crazy crossover brake lines.



For my brake lines I used the Spiegler lines and the dimensions posted by MCMXCIVRS here:

http://www.advrider.com/forums/showp...&postcount=142

The left fork guard comes with a attachment point for a brake line clamp but the right doesn't. So I made a small bracket out of metal and attached this to the right fork.



Then with both attachment points in place I found these billet brake line clamps to attach the lines to the guards.



The brake lines then can be attached to the calipers, run up through the stock plastic upper plate and then they arc over from each side and meet at a common central T fitting. From here a short line connects the T to the ABS return then another line up to the master cylinder. The real crux of this whole brake line change in my opinion is making the bracket that will attach the T in its central position over the horn. While this may look simple enough, there are several tricky clearances here such as the steering stop, and the diagonal strut up to the instrument cluster. These all come into play in subtle ways in the final assembly to allow the lines to turn and flex up under compression smoothly. I actually made four different versions of this bracket before I got I right. I tried a flat bracket with spacers and various bend and hole combos before the final product. The bolt that attaches this bracket is the same M8 60mm that than goes down through the horn bracket, the plastic plate, the triple clamp and is attached to the PVC fender mounting plate described previously.





In position as viewed down from the left front:


View down from the right front:


Close up:


The yellow zip tie points to the steering stop that must be cleared:


After filling the lines with new brake fluid I did get a ABS error code so I took it to my dealer to get this cleared and as luck would have it, the code went away as I got to the dealer. I had it checked anyway since I was there and everything was cool. These length lines seem to be right on and after a couple dirt test rides, so far everything moves smoothly with no problems as the suspension compresses.
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2010 BMW F800GS, 2011 Yamaha WR250R, 2011 Honda Ruckus, 2013 KTM 500 EXC
Up the WABDR, F800GS Stealth Bike Build, WR250R Scotts Damper Install
Red dirt, rocks and sand; Riding the southern UTBDR, WR250R vs EXC 500 - a comparison
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Old 01-20-2012, 01:36 PM   #7
murph76
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black bike

nice- had mine black since apr 10- love it
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Old 01-20-2012, 02:14 PM   #8
señormoto
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I really like the new look. Great work on the front fender. I'm putting an orange 950SE fender on mine once the new WP forks arrive.
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I have a feeling that there are some decisions being made on certain teams lately to make things more complex in order to ensure a certain technological standard of confusion is met.
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Old 01-20-2012, 02:24 PM   #9
dendrophobe
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Lookin good! I haven't seen anybody do the high fender with the beak remover before, it looks good! I'm pretty partial to green 800s myself, too!

Quote:
Originally Posted by thematt View Post
I really like the new look. Great work on the front fender. I'm putting an orange 950SE fender on mine once the new WP forks arrive.
Have you sized that up at all? The 950SE fender looks the same as the 690, but is a bit bigger... Most people switching over on the 800 or the KTM 950/990 Adventure have found that it's a tad too large. If you have the opportunity, try putting the 690 and 950SE fenders side by side...
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Old 01-20-2012, 02:53 PM   #10
señormoto
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Quote:
Originally Posted by dendrophobe View Post
Lookin good! I haven't seen anybody do the high fender with the beak remover before, it looks good! I'm pretty partial to green 800s myself, too!



Have you sized that up at all? The 950SE fender looks the same as the 690, but is a bit bigger... Most people switching over on the 800 or the KTM 950/990 Adventure have found that it's a tad too large. If you have the opportunity, try putting the 690 and 950SE fenders side by side...
I have both 525EXC and 950SE fenders, the EXC one definitely doesn't fit at the rear as it's too long. The 950SE fender fits just about perfectly; I'll know more when I move the brake lines around as they're in the way at the moment and preventing a test mount. I don't have a 690 fender around for comparison.
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I have a feeling that there are some decisions being made on certain teams lately to make things more complex in order to ensure a certain technological standard of confusion is met.
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Old 01-20-2012, 06:09 PM   #11
toro618
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Very nice setup.

Where did you get those billet brake line clamps?
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Old 01-20-2012, 07:33 PM   #12
Ronin ADV OP
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Quote:
Originally Posted by toro618 View Post
Very nice setup.

Where did you get those billet brake line clamps?
They are Fastway brake line clamps (#22-9-906). I found them on OEMcycle.com.
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2010 BMW F800GS, 2011 Yamaha WR250R, 2011 Honda Ruckus, 2013 KTM 500 EXC
Up the WABDR, F800GS Stealth Bike Build, WR250R Scotts Damper Install
Red dirt, rocks and sand; Riding the southern UTBDR, WR250R vs EXC 500 - a comparison
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Old 01-20-2012, 08:30 PM   #13
Ronin ADV OP
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On to the bars.
I have used Highway Dirt Bikes guards on my WR and I have very happy with them so when I wanted to change out the F8 guards they were the obvious choice. One of the really nice things about the HBD's is that they offer multiple options including signals, mirrors, pre tapped bars, etc. I used the opportunity to also change my bars and got some new Pro-Taper Woods High bars (pre tapped to accept the guards). The stock bars have a small hole on the left side where the left hand grip / buttons attach:



Cross drilling the new bars is much easier if you can hold them stationary so I built a jig to clamp the bars to:


After installing the guards I opted to get the turn signals also. The front LED blinkers are integrated into the plastic hand guard shield.


This allowed me to pull off the OEM incandescent bulbs. The wires are accessible near the OEM blinker location:


I just clipped the wires above the connectors, then traced the wires back and re-routed them up to the guards.


The rear ones are nice little billet lights that can be bolted directly to the bike after the stock blinkers are removed.


The wires are routed through the back hole on the bike and the hole closer to the front of the bike accepts a bolt that secures the light to the bike. I had to drill out the blinker slightly to accept the stock (M6?) bolt.


Red / blue (positive), brown / black (negative):


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Dan
2010 BMW F800GS, 2011 Yamaha WR250R, 2011 Honda Ruckus, 2013 KTM 500 EXC
Up the WABDR, F800GS Stealth Bike Build, WR250R Scotts Damper Install
Red dirt, rocks and sand; Riding the southern UTBDR, WR250R vs EXC 500 - a comparison

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Old 01-20-2012, 08:49 PM   #14
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Now for one minor headache. When I used the HDB lights on my WR, I had to get a new flasher relay (12 o clock labs). This was pretty much plug and play. On the F8 however, the flasher relay is not separate on the bike but is part of the computer and you cant just change out a relay. HDB actually includes a flasher relay when you buy the blinkers and while this may work on a KTM it is a no go on the F8. Typically when you change from incandescent bulbs to LED's the lower draw causes the lights to blink too rapidly. For whatever reason when I changed to the HDB LED's the blink rate was just fine but the instrument display shows a lamp error code and the yellow error light turns on when you use the turn signal. After calls to a few different dealers, no one could come up with a simple fix. I then tried to use the Wunderlich "Flash Killer" which is supposed to increase the resistance and therefore make the computer think the OEM bulbs are still in use. Not only did this not work, it actually caused the blink rate to increase (as well as the ongoing error code). For now I am just ignoring the error code as the blinkers work fine and I'm going to try some different resistors from Custom LED to see if they will work.
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Dan
2010 BMW F800GS, 2011 Yamaha WR250R, 2011 Honda Ruckus, 2013 KTM 500 EXC
Up the WABDR, F800GS Stealth Bike Build, WR250R Scotts Damper Install
Red dirt, rocks and sand; Riding the southern UTBDR, WR250R vs EXC 500 - a comparison
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Old 01-21-2012, 04:13 AM   #15
LukasM
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Nice work Ronin!

Looks pretty bad ass all in black, and those mods are certainly all very functional. Can't see much on the bike that I would improve or change, and that's rare for me.

I don't like using resistors for the blinkers because they are bulky, heat up and waste electricity, even if not much. I have heard that BMW can reprogram the computer for the LEDs so it doesn't show the lamp error. Since they are offering their own LED blinkers stock in some countries and also for retrofitting, it would make sense that they can do that.

Maybe check with Joel and I will also post on the German F8 forum to confirm.
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