Author Topic: K100_BBQ_Special  (Read 862 times)

Offline duncwerks

  • Curious
  • Posts: 8
K100_BBQ_Special
« on: August 29, 2018, 05:29:31 PM »
Hello all, Duncan here.

I recently picked up a bbq for a few hundred dollars. It was previously a 1985 K100 commuter bike on the central coast of California. Allegedly ran well until then. SO - I'm going to get it back on the road then go from there. Looks like there was an electrical mishap with the radiator fan, as that was the centrally most melted thing. Will be replacing just about everything between the engine and the tank - including the harness.

The bike is quite crusty but it's all there to start with.

More as parts come in.

- Dunc





  • los angeles
  • 1985 BBQ Special

Offline Skunky

  • ^ Proficient Motobricker
  • Posts: 346
Re: K100_BBQ_Special
« Reply #1 on: August 31, 2018, 05:58:39 PM »
Good luck with your project. As long as the frame has not been weakened by the heat you should be able to rewire OK. Might be worth going down the M-unit path as the loom is damaged.
  • Derby GB
  • BMW K100lt
Rebuild it and they will come..
90 K100lt
Triumph Thruxton 900
Honda CB400F

Offline duncwerks

  • Curious
  • Posts: 8
Re: K100_BBQ_Special
« Reply #2 on: September 04, 2018, 06:29:30 PM »
Good luck with your project. As long as the frame has not been weakened by the heat you should be able to rewire OK. Might be worth going down the M-unit path as the loom is damaged.

Thanks Skunky.

I sourced a used but good harness on Ebay for $10 so now I have a good starting point. New parts are starting to show up and the bike is stripping down just fine - frame looks fine. No wiring up that far was effected. Waiting on a fuel injector harness to come as well. Picked up some knock off injectors that should be fine to get the bike running with. Here's a down there of of neglected skuzzy parts vs low mileage ebay parts. Replacing the stock fan with the popular spal fan as well.





  • los angeles
  • 1985 BBQ Special

Offline The Mighty Gryphon

  • ^ Quintessential Motobricker
  • Posts: 4154
Re: K100_BBQ_Special
« Reply #3 on: September 04, 2018, 06:54:09 PM »
Looking good!  I just finished rebuilding a bike that was totaled in an accident.  When you're done it will be better than before the fire.  You will get a lot of satisfaction from bringing it back.
  • In my garage in Marilla, NY
  • '94 K75RT Mystic Red, '92K100RS White, '94 K75S Dakar Yellow
Current:
'94 K75RT "Ilsa, She Wolf of the SS"
'94 K75S "Cheetos"
'91 K100RS "Moby Brick Too

Offline duncwerks

  • Curious
  • Posts: 8
Re: K100_BBQ_Special
« Reply #4 on: September 04, 2018, 07:02:32 PM »
Looking good!  I just finished rebuilding a bike that was totaled in an accident.  When you're done it will be better than before the fire.  You will get a lot of satisfaction from bringing it back.

Totally agreed! A few years back I built out a 1987 BMW 325, this bike with the maf based Bosch FI system is identical to what bmw was using on their cars at the time. So not TOO foreign for me just yet. And with the help of some service manual PDF's I printed from the web should be helpful.

Updates as they come.

- Dunc

  • los angeles
  • 1985 BBQ Special

Offline natalena

  • ^ Proficient Motobricker
  • Posts: 177
Re: K100_BBQ_Special
« Reply #5 on: September 06, 2018, 12:47:27 PM »
What a great find and project. The TB cleaned up really nice too. Gonna pull the drives and brakes while you're at it? the front MC and lines might have gotten slow cooked. Good luck!
  • East of Joshua Tree
  • 1987 K75s #0919

Offline duncwerks

  • Curious
  • Posts: 8
Re: K100_BBQ_Special
« Reply #6 on: September 06, 2018, 04:00:26 PM »
What a great find and project. The TB cleaned up really nice too. Gonna pull the drives and brakes while you're at it? the front MC and lines might have gotten slow cooked. Good luck!

Yes - once I jury rig the new harness, intake, and fuel system on and get the bike "running". I'll pull the drives to assess and hopefully just lube. Brake lines will be replaced with stainless. Ideally will be going with a more modern master cylinder, not too big, but enough to compliment the factory pots and ebc pads.

Anyone have thoughts on aftermarket springs on the front end?
Either rated for weight from Racetech or Progressives...

I think USD forks are cool and all but I like to compliment and play within whats there already.

- dunc



  • los angeles
  • 1985 BBQ Special

Offline Skunky

  • ^ Proficient Motobricker
  • Posts: 346
Re: K100_BBQ_Special
« Reply #7 on: September 15, 2018, 07:21:49 PM »
Yes - once I jury rig the new harness, intake, and fuel system on and get the bike "running". I'll pull the drives to assess and hopefully just lube. Brake lines will be replaced with stainless. Ideally will be going with a more modern master cylinder, not too big, but enough to compliment the factory pots and ebc pads.

Anyone have thoughts on aftermarket springs on the front end?
Either rated for weight from Racetech or Progressives...

I think USD forks are cool and all but I like to compliment and play within whats there already.

- dunc

There are a lot of Progressive spring kits on fleabay. Personally I think the standard fork seems to do the job admirably. Just an oil and seal change and it's a comfortable ride (and we all like one of those :johnny).
  • Derby GB
  • BMW K100lt
Rebuild it and they will come..
90 K100lt
Triumph Thruxton 900
Honda CB400F

Offline duncwerks

  • Curious
  • Posts: 8
Re: K100_BBQ_Special
« Reply #8 on: February 01, 2019, 03:17:56 AM »
Make a little progress here. Hopefully done soon.
  • los angeles
  • 1985 BBQ Special

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