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  1. Pan spacer w/three tubes

    FWIW My '77 R100S with about 80K has that set up, I've only had the bike for a year so unsure if it really needs the extra cooling? I replaced the Reynolds Ride Off stand that did not interfere with...
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    Bing diaphragm replacement question

    '77 R100S 90K- Noticed fuel? stain at the left carb top and diaphragm interface, removed the diaphragm but found no tears however it was swollen and could not be reinstalled. Picked up a new one from...
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    My '77 R100S had a similar problem, however it...

    My '77 R100S had a similar problem, however it would start with the clutch pulled, so if you are certain that function always worked in the past then ignore this.;)

    There is a diode on the...
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    Oil pickup and gaskets, my suggestion.

    Replace the gaskets and inspect the strainer (bell) for fatigue fractures. My R100S with 80K was severely fractured and one bolt was lying inside on the perforated plate. RePsycle had what they...
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    This is a good question! For my '77 R100S I used...

    This is a good question! For my '77 R100S I used a pocket level across the tops and simply set both level. There is a certain amount of inclination that's already built in so not much variation...
  6. RePsycle!!!

    http://www.re-psycle.com/
    These guys can get you what you need, either new or used stuff, located just South of Columbus OH. Use the fisch major online BMW websites to determine what you need, make...
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    Snowbum's article

    Read this after I posted, very long and very helpful.:thumb

    Appears that keyway position will give me correct sprocket position even without marks.

    Thanks to you both!
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    Timing chain replacement

    '77 R100S had the original endless chain (I think?) with 80K. Replacing the crank sprocket but can't see any typical timing marks. The cam sprocket and tach drive gear do have paint marks but not on...
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    No 120# would not be a bad engine! Have you...

    No 120# would not be a bad engine! Have you adjusted the valves? Not sure but you may have to remove the carbs. Are you certain your test gauge is accurate? 80# is really low! How many rotations did...
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    crazydrummerdude, very good point! As a retired...

    crazydrummerdude, very good point! As a retired mechanic and engineer I don't need much of an excuse to dig into my boxer.

    Stan, I have seen Moto-Bins and noticed their kits Use AE valves. AE once...
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    Thanks Kurt, possibly just a few hundred since...

    Thanks Kurt, possibly just a few hundred since Ohio weather will go downhill pretty fast!

    Does anyone have any recommendations on valves, I see BMW's are $150 each. I already read Snowbums article...
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    Apparent valve or seat recession?

    '77 R100S Roughly 80,000 miles, recent 10K service by PO Feb.'12, no comment by service folks about valve seat recession.

    While doing pushrod seals I noticed left side exhaust adjusting screw is...
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    More digging into Snowbums electrical hints site!...

    More digging into Snowbums electrical hints site! Most likely have an open diode?

    "IF the diode fails by OPENING, then the neutral switch will still operate the neutral LAMP OK, but you CANNOT...
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    Starts only W/clutch pulled

    '77 R100S: After repairing shorts in the front turn signals it failed to engage the starter, everything else is fine, neutral light works as it should. I did detach the handlebars but no wiring for...
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    Thanks Bikerfish!

    I recently got similar information from RePsycle! Due to the fact the R100S had a Reynolds stand I thought the OE would hook up the same way, this is only my second BMW and just didn't know!:dunno
    ...
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    No metal added, upper horizontal support was...

    No metal added, upper horizontal support was moved lower to clear the pan.

    Now I'm thinking the frame attachment points are wrong, fine for the Reynolds that used longer springs.

    I think it's...
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    Center stand spring problem

    It's a 1977 R100S that the PO had a Reynolds Ride Off stand. I picked up an OE (used) that had to be modified for clearance for the pan with oil cooler/ added capacity part. No geometry changes...
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    Plus 1 for Re-Psycle

    http://www.re-psycle.com/
    I'm new to BMW's and they had everything I needed to bring my '85 R80RT back to specs.
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    Tire PSI

    31# Front 36# Rear One up.

    The ME77 on the rear (about the same miles) looks like new so I think the Lasertech was a defect!:dunno
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    Not happy with front Lazertech!

    Down to the wear bars at 2500 miles / one year on my '85 R 80 RT. Might be a fluke as it was a Brazilian made tire maybe not cured correctly? BTW I'm 68 and don't ride too aggressively. Checking to...
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    18 wheeler 5th wheel

    I suspect it came from an improperly greased fifth wheel. Having watched mechanics apply 1/4" strings of grease to the fifth wheel it typically gets scraped off when the tractor backs under the...
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    dry lip seal

    The teflon seal has been around since the 70's, I was a diesel mechanic at the time and could not believe you would install it dry. It did leak but the customer needed to haul some freight so I told...
  23. Thread: an oil additive

    by rolyak
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    Additive

    The additive may be needed because Airheads run flat tappet camshafts, all current automotive engines use roller tappets. The additive was not needed for roller tappets.

    I'm retired from Clevite...
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    MC Seating

    http://www.mcseating.com/customorder.html

    I just had Mark do my '85 R80RT seat and I'm very pleased with it. He used a gel insert and lowered it about 2". He will call you and discuss exactly what...
  25. I believe the grease in one or both of the...

    I believe the grease in one or both of the steering head bearings has solidified (dried out). My '85 R80 RT had some steering issues, felt tight like a bearing adjustment problem, I loosened the...
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