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Old 07-07-2010, 07:09 AM   #1
nella OP
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Joined: Apr 2010
Location: Raleigh, NC
Oddometer: 405
R100/7 build

I bought this BMW in the spring os 2010. My last BMW was an 85 K100 that I sold back in '94.

This is my first airhead. The tank was rusted out, the caliper was seized and the disc was cracked, and the exhaust nut threads on the left cylinder were destroyed.

I needed to go through it from front to back. Here it is, version 1:




Luckily, I found a local machine shop that could repair the exhaust nut threads. I didn't take an after pick, but it looks like new.



I went ahead and pulled both cylinders and heads and had the guides and valves inspected and had some work done on the valve seats at the machine shop. One of the cylinders had a good deal of rust and teh machine shop was not able to hone it out so i replaced the left cylinder.



At first I had planned to use the stock wheels and went ahead and had new Metzeler Lasertecs mounted. Then I came across a set of Lesters. I have always been a fan of the Lester mags and this set that the previous owner had the rear wheel widened when he race an R100 in a Battle of the Twins series back in the 80's. It will take a 140 size tire.

Also, I got a nice complete original exhaust as part of the original deal. It cleaned up with some 0000 steel wool.

I read the discussions online about the K&N individual filters and decided to give them a shot.

I rebuilt the carbs and caliper, inspected the steering bearings and lubed them, inspected the splines and lubed them, and went through the bike carefully. I'm a big guy so I installed some progressive springs, rebuilt the front forks, and went with some heavier oil in the front forks.

I found a /7 police tank that happened to be local to me. Heres the bike after partial restoration, I'll call it V2.




Here you can see the tostertan upper triple clamp. It allows me raise the forks. Also chose some Woodcraft clip-ons. It is great looking part.




I bought a Panasonic sealed battery and made a battery box out of aluminum and found a nice original BMW 3/4 solo seat.

I spent some time with my dremel on the stock front and rear fenders and modified some rearsets that I found used.

The bike is far from complete, but this is how it sits now:









You can go to the end of the thread but here's what you'll see.

This is what I call version 3 and it was this way through the en of 2010. I've now completed the mechanical restoration and it drives and rides like new. Cosmetically you can see the different tank, seat, carbs, forks, shocks and other things:



This is version 3.1. With the help of Houseoffubar I've ditched the Ohlins and completed the monoshock conversion using a rear shock off a 2009 R1.

Photobucket

nella screwed with this post 04-03-2011 at 04:58 PM
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Old 07-07-2010, 07:22 AM   #2
bpeckm
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White + Lesters =





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Old 07-07-2010, 07:28 AM   #3
ricnepalm
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saweet

nice work.
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Old 07-07-2010, 08:35 AM   #4
otilram
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looking good.
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Old 07-07-2010, 02:03 PM   #5
Harry Backer
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Sweet!
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Old 07-07-2010, 02:13 PM   #6
Wirespokes
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Why not mount the battery on top of the trans?

Also, the rear fender looks good, but not excited about the front. Were it me, I'd mount one of those British aluminum or stainless fenders.
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Old 07-08-2010, 11:21 AM   #7
Cogswell
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Quote:
Originally Posted by nella
Beautiful bike !

Very nice choice with the wheels and color combo.

The seat looks a little high in the front, is it me or just body work from different models ?

Mike
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Old 07-08-2010, 01:22 PM   #8
Rapid Dog
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..thats' stock paint on the tank, the seat is off an R100RS....hard to find these days.
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Old 07-08-2010, 02:09 PM   #9
nella OP
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Quote:
Originally Posted by Rapid Dog
..thats' stock paint on the tank, the seat is off an R100RS....hard to find these days.
Yes, stock paint on both. The tank could use a re-spray, but from ten feet away the tank looks fine. I tend to think that the tank and seat are rare enough and I'll leave them alone.

Scott
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Old 07-08-2010, 01:58 PM   #10
nella OP
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Location: Raleigh, NC
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Quote:
Originally Posted by Cogswell
Beautiful bike !

Very nice choice with the wheels and color combo.

The seat looks a little high in the front, is it me or just body work from different models ?

Mike
Thanks. The seat will be lower in the front. It does not have the hinges installed and tends to rock back a bit just sitting there.

Scott
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