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  1. Replies
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    Ok, looks like my airhead part experience from...

    Ok, looks like my airhead part experience from the 70s.
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    1,470

    It is hard to confirm from the pics that the...

    It is hard to confirm from the pics that the thread inserts are there for the tank emblems.
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    1,907

    Throttle Parts

    Take a close look at the end of the chain where the throttle cable(s) would connect. There is only a single throttle cable nipple connection shown so I can only conclude this is from a single...
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    2,776

    Harley Coil

    I have used one on my /2 - R75/5 conversion since the late 70s with no problems.
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    1,707

    Bing Carbonators

    I've been through more than a few re-builds over the decades so maybe I can reply. Assuming all your internals are ok, you have no vacuum leaks, your cable slack is ok, and your idle mix is set to...
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    1,388

    The old Harro #414 fit these tanks very well but...

    The old Harro #414 fit these tanks very well but I dunno if it is still available. I hope you don't have the locking gas cap because that sticks up even more. Another trick to consider is to cut a...
  7. Thread: R100 engines

    by FRANKT
    Replies
    15
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    1,673

    When I first did my /2 conversion with my Ural...

    When I first did my /2 conversion with my Ural M66 sidecar a long time ago, I also used an R60/5 engine. I found it pooped out pretty quick. A while later, I came upon an R75/5 that had been...
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    803

    Tom, As an airhead owner for the past 35...

    Tom,

    As an airhead owner for the past 35 years, I recommend Motoworks Chicago, 1901 S. Western Ave. Tel. 312-738-4269. Their head wrench was same at the former Laurel BMW Motorcycles in Westmont....
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    Jeff, Install the high output voltage...

    Jeff,

    Install the high output voltage regulator as suggested by 20774 first. Then keep you battery connected to a Battery Tender when at home. Your short commute barely gets the bike up to...
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    8,596

    I usta own a 1979 R100T that had the 40mm carbs...

    I usta own a 1979 R100T that had the 40mm carbs and exhaust pipes. It was definitely owned/sold in the U.S. market. I sold that bike to buy my current R1100RT.
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    Tank Capacity

    I assume you are talking about a large tank /5 versus a large tank /6. The respective capacity thererof is 6.2 gal. and 5.8 gal. The reason for the difference is the /6 has the master cylinder...
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    Replace or rebuild the ignition system components...

    Replace or rebuild the ignition system components one at a time. If your plug wires are old, definitely replace. Your bike originally came with a one piece plug wire including the spark plug...
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    1,680

    I recall that when the R90's came out, a lot of...

    I recall that when the R90's came out, a lot of owners had issue with oil consumption. Seems that the larger crankshaft counterweights were slinging the oil out the breather after which it gets...
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    If the oil is leaking from the hole next to the...

    If the oil is leaking from the hole next to the rear drive drain plug, this indicates that the rear drive output side seal (rear wheel side) is kaput. A failure of the rear drive input seal between...
  15. 2007 West Bend Rally

    To Sue and all who made this rally a memorable event, it seems expressing my exteeeme thanks is not unuf. I have been attending the national rallies since the first Oshkosh (although not all). West...
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    835

    If you are down to 0.10 inch of tread after 5k...

    If you are down to 0.10 inch of tread after 5k miles, then I would have to say you ride more aggressively than Bubba. You have 2600 miles to and from plus track usage. Go get a new set ahead of...
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    Spline Lubricants

    The answer is...it depends. Which splines are you wanting to lubricate?
    If the rear wheel splines, then anti-sieze compound works very well, I've used this for the past 30+ years.
    If the clutch...
  18. I assume by your post that you are getting rid of...

    I assume by your post that you are getting rid of the Windjammer and going back to a headlight in the factory headlight nacelle. Reason being, the Windjammer used a stock US size automotive...
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    Matt, The 5 speed will fit in your LWB /5 bike. ...

    Matt,
    The 5 speed will fit in your LWB /5 bike. You will need to extend the neutral light wire as posted above. The difference in highway rpm, if any, is more a function of rear drive ratios than...
  20. /6 Top Case

    There usta was a Krauser top case to match the side cases. The side cases and top case are currently made by Hepco Becker. Check out Bob's BMW website for pictures and details.
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    I would also suggest changing the fork fluid. ...

    I would also suggest changing the fork fluid. After all these years of sitting, you may consider a carb re-build. Also, keep in mind that this model did not come with valves and seats compatible...
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    The POR 15 mentioned above is good stuff. ...

    The POR 15 mentioned above is good stuff. Another one is called Kreem. If you do it yourself, be very careful not to get it on the paint since it would probably damage it. What I've done in the...
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    I seem to recall that it was at about 50k. The...

    I seem to recall that it was at about 50k. The shafts and bushings were scored both times. This essentially increases valve adjustment and affects performance, not to mention is noisy. My...
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    I significantly reduced the handlebar vibration...

    I significantly reduced the handlebar vibration on a '79 R100T I usta own by filling the handlebar with lead shot. However, before going this route, be sure your bike is in a proper state of tune...
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    Yes, it's possible as others have said. It's...

    Yes, it's possible as others have said. It's also possible the PO reinstalled the rocker arm assembly incorrectly. The oil to the rocker arms is fed through the upper cylinder through bolts and...
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