# 1985 BMW K100 - Naked bike / Cafe project **URL:** \ **Category:** Builds\ **Created:** [September 3, 2012, 7:28pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707 "2012-09-03T19:28:15Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![HotRodKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/hotrodkid/32/7609_2.png) [@HotRodKid](https://forums.speedlife.net/u/HotRodKid)\ **Post date:** [September 3, 2012, 7:28pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/1 "2012-09-03T19:28:15Z")
Got tossed the keys to this bike a little over a week ago and its going from almost full dress to naked by the time its done Intended Mod list: Strip all fairings and install round headlight One up seat w/ custom rear fairing aluminum trim panels over the battery / ecu area Modified handle bars more in line w/ the euro bars Lowered 3/4" (more if i can manage) relocated ignition switch (airbox ?) Custom saddle bag mounts for when i actually have to haul something Maybe custom rear sets and a muffler swap Required repairs: gauge cluster lens replacement misc engine seals (mostly oil pan) rebuild or replace front forks new rear shock full prevent. maint. chassis & drive line lube replace clutch cable oil throttle cable repair / replace gear indicator switch. Final color: maybe the original grape, maybe titanium, no idea yet. 10 min after it arrived @ the shop ![http://a6.sphotos.ak.fbcdn.net/hphotos-ak-snc6/243991_10151236535922425_1763909805_o.jpg](http://a6.sphotos.ak.fbcdn.net/hphotos-ak-snc6/243991_10151236535922425_1763909805_o.jpg) the next day (only spent a little while messing w/ it) ![http://sphotos-b.xx.fbcdn.net/hphotos-snc6/616933_10151238282392425_1210407112_o.jpg](http://sphotos-b.xx.fbcdn.net/hphotos-snc6/616933_10151238282392425_1210407112_o.jpg) and heres some of my inspiration: ![http://2.bp.blogspot.com/-IUdvHhW-XB8/TxCdOZG2eNI/AAAAAAAAArg/JBP9LllGbaI/s1600/YohannORYCafeRacer2.jpg](http://2.bp.blogspot.com/-IUdvHhW-XB8/TxCdOZG2eNI/AAAAAAAAArg/JBP9LllGbaI/s1600/YohannORYCafeRacer2.jpg) ![http://img130.imageshack.us/img130/1663/5064857g.jpg](http://img130.imageshack.us/img130/1663/5064857g.jpg) ![http://media-cache-lt0.pinterest.com/upload/228909593530079755_lmJuCIDe_c.jpg](http://media-cache-lt0.pinterest.com/upload/228909593530079755_lmJuCIDe_c.jpg) ---
**Author:** ![focusinprogress](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/focusinprogress/32/7227_2.png) [@focusinprogress](https://forums.speedlife.net/u/focusinprogress)\ **Post date:** [September 4, 2012, 6:54am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/2 "2012-09-04T06:54:04Z")
that orange one is the only one that looks any good. the others seem to have ignored pretty major details such as the original frame having absolutely no flow with the new seat, and even then the seats they chose don’t fit the bike. copy the orange one for sure also, rebuild the forks. it’s incredibly easy, just look up a youtube video on your specific model, there’s bound to be a how-to. ---
**Author:** ![HotRodKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/hotrodkid/32/7609_2.png) [@HotRodKid](https://forums.speedlife.net/u/HotRodKid)\ **Post date:** [September 4, 2012, 8:10pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/3 "2012-09-04T20:10:26Z")
Yea, the B&W picture the tail is like a wasps ass up in the air, the back and gold checkered bike owner was to pussy to cut his frame, but the orange bike the tail works w/ the tank recesses Ive got an idea for the tail, just have to make some JY runs till i find the panels I need. should flow well w/ the tank design. Apparently the front forks are a known problem and using parts off the later R series is an upgrade. (I’m working off my shit memory at this point so dont quote me) But I’m def not afraid to rebuild some bike struts. had a few spare minutes today, pulled off the remainder of the fairings. Horns are still on the HL bracket (need to disassemble some wiring to get the bracket off) ![http://sphotos-b.xx.fbcdn.net/hphotos-prn1/523064_10151244753882425_1347924308_n.jpg](http://sphotos-b.xx.fbcdn.net/hphotos-prn1/523064_10151244753882425_1347924308_n.jpg) ---
**Author:** ![HotRodKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/hotrodkid/32/7609_2.png) [@HotRodKid](https://forums.speedlife.net/u/HotRodKid)\ **Post date:** [September 10, 2012, 8:36pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/4 "2012-09-10T20:36:29Z")
No Disassemble … wait … nevermind. Started digging into the bike deeper last week. Should have a headlight coming at some point. Been calling around trying to find the pieces i need for the rear fairing. Have to fix a coolant leak, a bad cooling fan, and possibly some bad intake boots. Need to make some pieces so i can lower the gauge cluster way down also ![http://sphotos-b.xx.fbcdn.net/hphotos-snc6/281168_10151254827372425_1775774105_o.jpg](http://sphotos-b.xx.fbcdn.net/hphotos-snc6/281168_10151254827372425_1775774105_o.jpg) ignition has a mile of extra wire, so Im moving it to the side of the bike w/ a custom bracket ![http://sphotos-a.xx.fbcdn.net/hphotos-snc6/184111_10151254831892425_669659181_n.jpg](http://sphotos-a.xx.fbcdn.net/hphotos-snc6/184111_10151254831892425_669659181_n.jpg) sleeping w/ the enemies ![http://a1.sphotos.ak.fbcdn.net/hphotos-ak-snc6/219533_10151250909137425_1480553339_o.jpg](http://a1.sphotos.ak.fbcdn.net/hphotos-ak-snc6/219533_10151250909137425_1480553339_o.jpg) ---
**Author:** ![ultradriver10000](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ultradriver10000/32/7397_2.png) [@ultradriver10000](https://forums.speedlife.net/u/ultradriver10000)\ **Post date:** [September 11, 2012, 6:12am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/5 "2012-09-11T06:12:49Z")
Good progress, that orange one rocks for sure. ---
**Author:** ![travisn](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/travisn/32/5046_2.png) [@travisn](https://forums.speedlife.net/u/travisn)\ **Post date:** [September 11, 2012, 6:36am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/6 "2012-09-11T06:36:23Z")
dude nice! I never knew the bmw bikes looked so good naked. ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/2X/b/b7170c8eddc0b95ece6b88172b2f416a08489a45.png) [@system](https://forums.speedlife.net/u/system)\ **Post date:** [September 11, 2012, 6:36am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/7 "2012-09-11T06:36:31Z")
Keep it coming. I can appreciate this, as you don’t see many of these around! ---
**Author:** ![HotRodKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/hotrodkid/32/7609_2.png) [@HotRodKid](https://forums.speedlife.net/u/HotRodKid)\ **Post date:** [September 14, 2012, 6:59pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/8 "2012-09-14T18:59:13Z")
so i had the tank off for like a week. both for the sake of pulling the front light wiring and running the clutch cable. you wouldnt beleive how many people thought i had ruined the bike or that id never get it back together. so today i put the clutch cable in it and put the tank back on. made it do this again: ![http://sphotos-a.xx.fbcdn.net/hphotos-snc7/303179_10151260022067425_360756686_n.jpg](http://sphotos-a.xx.fbcdn.net/hphotos-snc7/303179_10151260022067425_360756686_n.jpg) ---
**Author:** ![focusinprogress](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/focusinprogress/32/7227_2.png) [@focusinprogress](https://forums.speedlife.net/u/focusinprogress)\ **Post date:** [September 17, 2012, 7:22am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/9 "2012-09-17T07:22:48Z")
![http://25.media.tumblr.com/tumblr_m9w2owJ4wb1qhu65no1_500.jpg](http://25.media.tumblr.com/tumblr_m9w2owJ4wb1qhu65no1_500.jpg) ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/2X/b/b7170c8eddc0b95ece6b88172b2f416a08489a45.png) [@system](https://forums.speedlife.net/u/system)\ **Post date:** [September 17, 2012, 7:29am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/10 "2012-09-17T07:29:00Z")
^ much better solution for the tail. I like how ‘industrial’ these bikes look naked. Should be cool when done. 79k miles! Wow! ---
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [September 17, 2012, 8:15am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/11 "2012-09-17T08:15:50Z")
I’d lose the gauge cluster entirely. Unless it’s needed to run the bike there is no reason to have a speedo or tach or indicators or any of that bullshit. ---
**Author:** ![HotRodKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/hotrodkid/32/7609_2.png) [@HotRodKid](https://forums.speedlife.net/u/HotRodKid)\ **Post date:** [September 17, 2012, 6:32pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/12 "2012-09-17T18:32:57Z")
I hate that tail. Its round and its tiny, 2 things the bike is not. Already have a plan for the tail, just gotta find the right stuff to do it w/ (cough-e36-cough) The bike wont start w/o the cluster connected , and I hate wiring WAY more then I hate the way the cluster looks so Im not about to start rewiring shit. I’m just gonna slide the cluster down about 2" and that should be good enough. This is what early K Bike wiring looks like: [http://smithduck.home.comcast.net/~smithduck/bmw/kwiring/Early%20K75%20K100/K100\_Early\_Wiring\_Diagram.jpeg](http://smithduck.home.comcast.net/~smithduck/bmw/kwiring/Early%20K75%20K100/K100_Early_Wiring_Diagram.jpeg) Newman. Any idea where to get four 22mm / 7/8" steel balls bearings local ? ---
**Author:** ![travisn](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/travisn/32/5046_2.png) [@travisn](https://forums.speedlife.net/u/travisn)\ **Post date:** [September 17, 2012, 6:50pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/13 "2012-09-17T18:50:27Z")
> [@HotRodKid](#): > > Newman. Any idea where to get four 22mm / 7/8" steel balls bearings local ? usually 1-2 day turn around [McMaster-Carr](http://www.mcmaster.com/#standard-steel-balls/=jc6su4) ---
**Author:** ![HotRodKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/hotrodkid/32/7609_2.png) [@HotRodKid](https://forums.speedlife.net/u/HotRodKid)\ **Post date:** [September 17, 2012, 7:12pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/14 "2012-09-17T19:12:37Z")
Yea, was just hoping i wouldnt have to bother ordering online. ---
**Author:** ![travisn](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/travisn/32/5046_2.png) [@travisn](https://forums.speedlife.net/u/travisn)\ **Post date:** [September 17, 2012, 7:24pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/15 "2012-09-17T19:24:34Z")
I’d rather order online then bother going to some random place out of my way. ---
**Author:** ![HotRodKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/hotrodkid/32/7609_2.png) [@HotRodKid](https://forums.speedlife.net/u/HotRodKid)\ **Post date:** [September 17, 2012, 8:20pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/16 "2012-09-17T20:20:19Z")
I go west seneca to the city of tonawanda every day, either via the 190 or 290, so theres not much thats out of my way on a day to day basis. Today it took me 10 extra minutes to hit up Ferry on the way to work :shrug: ---
**Author:** ![HotRodKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/hotrodkid/32/7609_2.png) [@HotRodKid](https://forums.speedlife.net/u/HotRodKid)\ **Post date:** [September 17, 2012, 10:58pm UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/17 "2012-09-17T22:58:17Z")
could always just forget the tail and give it a springer seat too … ![http://advrider.com/forums/attachment.php?attachmentid=294190&stc=1&d=1318446038](http://advrider.com/forums/attachment.php?attachmentid=294190&stc=1&d=1318446038) ![http://advrider.com/forums/attachment.php?attachmentid=294191&stc=1&d=1318446064](http://advrider.com/forums/attachment.php?attachmentid=294191&stc=1&d=1318446064) ---
**Author:** ![BigRon](https://avatars.discourse-cdn.com/v4/letter/b/58956e/32.png) [@BigRon](https://forums.speedlife.net/u/BigRon)\ **Post date:** [September 18, 2012, 4:20am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/18 "2012-09-18T04:20:06Z")
I don’t like the headlight or the wheels. I like the small rounded tail better than no rear fender. ---
**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\ **Post date:** [September 18, 2012, 5:43am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/19 "2012-09-18T05:43:58Z")
The gauges on every bike look so bad. You know what specifically causes it not to start? Second, for the balls I’d say mcmaster. If you order them today you will have them tomorrow. Side note, ball bearings are made from hardened steel. If you’re trying to tap them or otherwise modify them for something fancy, you’re in for trouble… ---
**Author:** ![travisn](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/travisn/32/5046_2.png) [@travisn](https://forums.speedlife.net/u/travisn)\ **Post date:** [September 18, 2012, 9:15am UTC](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707/20 "2012-09-18T09:15:05Z")
Additionally, depending on what you are using them for, the chances of a local store knowing any legitimate specs about the bearings are slim to none. I can’t imagine the guy across the counter going knowing any of this: Hardness: Rockwell C60-C67 Yield Strength: 295,000 psi Quenched and tempered Meet ASTM A295. Diameter tolerance is ±0.005" Sphericity is 0.001" [Next page](https://forums.speedlife.net/t/1985-bmw-k100-naked-bike-cafe-project/225707.md?page=2)