BMW R100S 2 Valve Airhead Full Build in 11 Minutes! (Part 12)

This BMW R100 S MY 1976 is owned by the 2. person right now. He bought it when it was 1 year old and went on many great journes with it.
The total kilometers on the odometer reads 56.000 km and most of them done by the second owner. But after around 20 years of fun the bike didnt look like its supposed to look. These frames tend to rust over time and so does the battery holder. The engine had alot of kilometers on it as well so the guy decided to take it apart and do a full restoration. Thats what he wanted to do at least, but stopped when the frame parts were powder coatet and the motor rebuilt by a BMW mechanic. So all parts were sitting like that from mid 90s to 2020 when we decided that I finish the restoration. Have fun with this last video of the series and see how the full build went.
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[@mistered999]

A dream to see the R100S in this video. I had one from 1981 to 1984. Screwed it on every winter. The difference was aluminum wheels, no spokes. And I had disc brakes in the back. She was red too. At that time I had installed an electronic ignition, a larger oil pan, footrests set back, M handlebars, triple clamp and and and. Those were nostalgic feelings seeing the video. thanks for that. I drove with that bike to the tt course isle of man, north cap, French, Andorra Spain. 40000km in tree years. Now after 38 Years i make a comeback with a Royal Enfield interceptor 650. Such a beauty bike. Greets from germany

[@bryananderson985]

I really enjoy your videos of rebuilding old BMW motorcycles. I have been a subscriber for some time but always enjoy your content.

[@markmath2883]

Same color as my 1978 100/7. Was a good bike.

[@markmath2883]

Beautiful, beautiful, beautiful

[@CarlosRuiz-fx6yi]

Un trabajo impecable en una motocicleta hermosa ¡felicidades!

[@bryananderson985]

So great to see that bike being ridden. Thank you for saving it! Enjoyed the whole series!

[@bikedogtor1663]

Thank you for your nice words. This bike will do many kilometers

[@chrisjohnson4165]

NEVER heat a bearing like that. You have annealed the rollers, they will last 20 minutes and then gall.

[@bikedogtor1663]

You sure? They get soft?

[@chrisjohnson4165]

@@bikedogtor1663 Of course. You can safely heat them up to about 200 degrees, but any colours and it's too late.

[@allwinds3786]

I was thinking that it went on way too easy 😅 I used to use set it on top of a 100 watt bulb for 1/2 an hour.

[@AnalogDude_]

You should put the bearing in an oil bath ad heat the oil on a stove.

[@fazerianducati]

Just beautiful, and inspiring!👍🏻

[@allwinds3786]

I'm glad to see you didn't use one of those forged aluminum upper triple tree things, they too stiff.

[@louisrauzi3872]

Absolutely not. Fix the flex. One of the best upgrades.

[@allwinds3786]

@@louisrauzi3872 on several occasions I have ridden with people who's alloy upper triple clamp cracked and failed when crossing railroad tracks. The only thing that saved those guys was their sheer strength relative slow speed.

[@chadkline4268]

Best motorcycles ever made. BMW 'airheads'.

[@DispatchMoto]

Nice work! Always good to see these fixed up.

[@bikedogtor1663]

Thank you.

[@peterhartmann4975]

very very very nice !

[@pierreleguay3501]

Excellent travail, tu peux être très fier de ta bmw ! Amitiés d’Alsace d’un ural rétro

[@MrJamescord]

You inspired me to start looking for one of these bikes. Roughly how much is a restoration like you did? Very impressive work a new a joy to watch.

[@bikedogtor1663]

Hey, great to read. It's so much fun to do a restoration. Roughly it was engine rebuild 2000€, parts sand blasted and coated 300€, paint 600€, all small parts like bearings etc. 1500€ But of course this varies a lot according to which people you know and where you live.

[@Fudders]

No copper grease on the exhaust flanges/threads?! I'm sure you did eventually, but just a bit excited to get it put together on camera... Thanks for showing the process. That's great work and a really fabulous result! 👍

[@bikedogtor1663]

Thank you! I used graphit powder on those threads.

[@CarloPoma-vy5ov]

WOW!!! what a beautiful helpful to understand how hard is to care and the skill you need about your bike...thank you !! in your opinion a job like your on a customer who wants to refresh hos bike how much could you charge? thank you and compliments for your highly professional skill and the result you got! ciao from Italy

[@bikedogtor1663]

Hey, thanks for your really nice comment. It depends how many hours you spend. On this project it was roughly 40 hours with a lot of research for parts and so on. I don't know what bike mechanics usually charge per hour.

[@CarloPoma-vy5ov]

@@bikedogtor1663 thank you!! some of them also 100 euro...if official dealers, normally 60 euro per hour

[@plutoniusis]

Wow Man , what a excellent work, the Legend is reborn:)

[@bikedogtor1663]

Thank you :-)

[@johnhopkins6260]

👍👍 Thanks for the upload; going from '83 R80RT to R100 "S": R80 Heads cut for larger bore ("squish zone"/compression boost + Dual Plugs)... taller 5th gear (after tranny rebuild). Also original Red/Gold metallic. Re: "S"... staying with original cam and rear drum (no rear disk conversion) Questions: 4 gauges? (oil pressure? sending unit?) who matched the original color? (what paint was used? - Brand/color code?) some previous attempts ended up with "pink-ish" tint... yuk! Original BMW color code NLA(?) Theory: R100 jugs with R80 heads adds a touch of mid-band "grunt" - of course, carbs re-jetted. Still toying with idea of electronic speedo (with wired hall sending unit, at tranny) finding correct size speedo for original appearance... +500 bones?? dunno, yet... hmmm. Spoked wheels also a tasty addition... in lieu of Alu "snowflakes".

[@bikedogtor1663]

Thanks. Gauges are clock, oil pressure, oil temp and voltage. Color was measured by the painter (with some magic machine) and mixed accordingly.

[@doublenickel1000]

Is that bike beautiful!! I want one.

[@D3vtsb]

Nice job! Used your fork- and choke videos for my own rebuild :)

[@bikedogtor1663]

Thank you 😊

[@tonyschmidt8741]

Love it! Nice restoration. I always wanted one of those.

[@bikedogtor1663]

Thank you. It's not for sale 😉

[@shingerz]

What a great video brilliant 👍

[@bikedogtor1663]

Thank you

[@arek6767]

Pięknie

[@Hodado]

Very interested in how you rebuilt the forks,mine bottom out terribly

[@bikedogtor1663]

Thank you, mine does the same. I may change the springs to stiffer ones

[@Pantherfahrer1984]

Nice, wofür benutzt du denn den Bleifrei Zusatz? bei aktuellem Benzin trotzdem nötig`?

[@bikedogtor1663]

Bei den alten Köpfen muss es sein. Das gilt aber nicht für alle.

[@Pantherfahrer1984]

@@bikedogtor1663 Okay werde ich wohl mal in meine Anleitung der R60/6 schauen danke!

[@AnalogDude_]

Was the chrome on the pipes of the fore fork so good?

[@bikedogtor1663]

It was good enough

[@AnalogDude_]

@@bikedogtor1663 from what i saw it looked pretty good on yours, better than what i saw on r1100/r1150 models. it occurs under the triple tree, behind he fairing / head light. Maybe the plating is ticker on the old airheads. I think it's best everyone should pass a oily rag every 14 days or so, to prevent rust / pitting, because they are kinda expensive to replace, there are company that can re-chrome them.

[@arthurdeygers2106]

did you use locktide for assembling the front fork?

[@bikedogtor1663]

No

[@danjohnston3422]

Nice work, mate. The Toecutter would approve. :)

[@vaughanboyce3702]

Nice job done, where did you get the bikini fairing?. Thanks

[@bikedogtor1663]

It's the one originally from the bike

[@simonhantler8062]

do you sell bikes as well?

[@bikedogtor1663]

I usually sell the bikes I rebuilt

[@simonhantler8062]

@@bikedogtor1663 do you have an email?

[@bikedogtor1663]

Hope you like the video and enjoy the journey as much as I did. In case you want to see how it all started check the very first video of the series. kzbin.info/www/bejne/eF7Sd4admKxpgbc