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Old 09-15-2011, 08:32 PM   #151
sparkymoto OP
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Quote:
Originally Posted by gorma900 View Post
Sparky, compliments on a great build. I've recently bought a 1978 R100RS to turn into a cafe racer and while searching for nice ideas on tail pieces stumbled onto your thread and boy am I glad I did!! I love just about everything you did.

Some questions - how's the handling with the rear raised slightly and the forks dropped a bit? Is it nervous at all? From the many pics it doesn't seem like you have a speedo on - is that still coming, or are you going minimalistic on that? I love the look with the headlight sitting nice a low in line with the top of the tank - was just wondering if a speedo will break those smooth lines?
Hey, gorma. Thanks for the compliments! I have a speedo in a box that may or may not be used someday. It's a mini sized one that will tuck in flush with the top of the upper triple clamp. The bike rides pretty nice. I probably haven't pushed it hard enough to really notice any nervousness though.

Good luck with your project! Let me know if you ever have any questions.
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Old 09-15-2011, 08:53 PM   #152
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Sparky, have you had to make any adjustments to your carbs after switching to the K&N filters?
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Old 09-16-2011, 08:10 AM   #153
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Originally Posted by kraut.burner View Post
Sparky, have you had to make any adjustments to your carbs after switching to the K&N filters?
Not at all. It runs great!
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Old 09-16-2011, 08:25 AM   #154
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Originally Posted by sparkymoto View Post
Not at all. It runs great!
Fan.Tas.Tic.

the less screwin' around the better.
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Old 09-22-2011, 09:49 PM   #155
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Originally Posted by sparkymoto View Post




Couldn't help but notice that one of the tabs on the steering dampener knob was missing.....

Lemme guess, either you or the P.O. chopped it off while trying to take off the gas tank?


Ask me how I know.......
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Old 09-22-2011, 10:33 PM   #156
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Lemme guess, either you or the P.O. chipped it off while trying to take off the gas tank?

Ask me how I know.......
Yeah it was like that when i got it. I've since scrapped the whole thing and capped it with a bolt all the way through. Hopefully you can find a new one fairly easy.
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Old 09-22-2011, 10:38 PM   #157
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Originally Posted by sparkymoto View Post
Yeah it was like that when i got it. I've since scrapped the whole thing and capped it with a bolt all the way through. Hopefully you can find a new one fairly easy.

Ordered mine up from maxbmw not too long ago..... damn shipping charges.
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Old 09-23-2011, 01:29 PM   #158
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looking good

Hi been following your thread, bike is looking good. I have been doing my r100 for over a year and still not near completion.
keeping an eye on these projects keeps me going on it, just finding the time.
just got a slab of ally today and am making some triple clamps at moment. hope to have them done for next weekend.
here is a renderd model
I have done the tool paths so just need to mill them now.


and bike to date

sprayed frame

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Old 09-24-2011, 07:50 AM   #159
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Originally Posted by simonboxeproject View Post
Hi been following your thread, bike is looking good. I have been doing my r100 for over a year and still not near completion.
keeping an eye on these projects keeps me going on it, just finding the time.
Thank you sir. I've seen your project pics on many other BMW airhead cafe build threads...you should update your build thread with all those great photos. Looking great BTW
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Old 11-04-2011, 09:49 AM   #160
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Originally Posted by sparkymoto View Post
Thank you sir. I've seen your project pics on many other BMW airhead cafe build threads...you should update your build thread with all those great photos. Looking great BTW
Very nice work Sparky; Love the Engine back plate idea!

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Old 11-05-2011, 06:51 AM   #161
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Very nice work Sparky; Love the Engine back plate idea!
Thanks Godffery. It's simple but gets the job done. We missed you at Rockerbox this year! We'll get back up that way soon.



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Old 11-07-2011, 03:34 AM   #162
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Originally Posted by sparkymoto View Post
With enough welding done to test the shock we rolled the bike off of the center stand and it stood perfectly...very little sag if any. I bounced up and down on the foot pegs and it felt great! The GSXR shock is on the stiff setting with the spring adjustment at about the middle of the threads.

Sparky, I have the same intention to go mono shock on my airhead and I just wanted to pick your brain a little if you don't mind.

Having owned a 900SS Ducati before with similar rear suspension I know that on the Ducati it had a very close to 2:1 ratio in terms of wheeltravel/shock movement (it had a 65mm shock stroke with 125mm wheel travel). Did you calculate any of these type stats and worked in the spring rate of the GSXR shock, or did you just wing it? I'm looking around for a nice rear shock for my project and from tables with shock lengths I notice the GSXR shock (2000-2005) is +/- 332mm in length with a 74mm stroke. Yamaha R6 and R1's have shocks that are quite a bit shorter (300mm) which I hope would give more flexibility and mounting it, however their stroke varies between 62mm and 65mm. Do you have any wise words around choosing a nice shock seeing that you've gone that route already?
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Old 11-07-2011, 08:36 AM   #163
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Originally Posted by gorma900 View Post
Sparky, I have the same intention to go mono shock on my airhead and I just wanted to pick your brain a little if you don't mind.
...Do you have any wise words around choosing a nice shock seeing that you've gone that route already?
...wish I did :) Really, we just winged it. After test fitting and tacking the goods up, it felt great. The ride test after finish welding was excellent. The GSXR shock seemed to be a go-to choice for many other custom builds and they were readily available.
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Old 12-14-2011, 01:32 PM   #164
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Just noticed you've got one of my Standard braces on the bike. I make a café no-hole brace now.


Stephen
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Old 12-14-2011, 02:26 PM   #165
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It seems like it is impossible to install one of the aluminum triples without cutting into it with the center nut or the fork caps. Is there a trick to keeping them looking good while installing?
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