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Topic-icon '95 R100RT: Stored without oil

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1 month 1 week ago - 1 month 1 week ago #6450 by Idiot
'95 R100RT: Stored without oil was created by Idiot
I stored my 95 R100RT without oil for many years and from what I’ve read I’m guessing I’ve ruined the engine. I’m open to any suggestions to determine if the engine is salvageable or not. Try not to judge me too harshly.
Last edit: 1 month 1 week ago by Wobbly. Reason: Mods altered title

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1 month 1 week ago #6455 by Wobbly
Replied by Wobbly on topic '95 R100RT: Stored without oil
Welcome Aboard !

Well, let's consider that the oil level is well below all the running parts of the engine. Therefore, ALL stored BMWs are stored without oil. :P

Put some oil in it, crank it, and go ride it.

Don't hide 'em, Ride 'em !!
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1 month 1 week ago #6460 by Idiot
Replied by Idiot on topic '95 R100RT: Stored without oil
Thank you for your reply, I can only hope for the best.
The bike was stored because it was smoking substantially on deceleration so I’m assuming it needs valve guides and the carbs need attention as well. I’m seeking a machinist who is knowledgeable of airheads on the East coast and worst case I’ll ship the heads to CA and have Ted restore them.
I have Oaks top end manual and looking forward to a top end rebuild. Should I consider new rings while it’s apart?

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1 month 1 week ago - 1 month 1 week ago #6461 by Wobbly
Replied by Wobbly on topic '95 R100RT: Stored without oil
Unless you have 150,000+ miles on your bike then I highly doubt that your issue is worn valve guides and rings.

• Please take the time to find and read Snowbum's discussion of the engine breather system. Since you have a 1995 with the newer metal flapper valve that part won't apply to you, but the second part will. There is an oil return well, right next to the breather and starter motor. That well has a small hole in the bottom to return oil to the engine. If that small hole gets clogged, then oil freely flows into the intake to be burned on decell.

• This same oil burning can also be brought on by having a dirty or oil clogged air filter. The engine, which must have air, can't pull air through the air filter so it pulls it from the engine's breather system.

BOTH of these need to be checked immediately. You could have one or both issues going on.


• Also check the engine oil viscosity and API spec against the engine oil requirements.

Hope this helps.

Don't hide 'em, Ride 'em !!
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Last edit: 1 month 1 week ago by Wobbly.

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1 month 1 week ago #6462 by 8166
Replied by 8166 on topic '95 R100RT: Stored without oil
Without more information, it's difficult to provide much help for this "problem".

How many miles on the bike?

Where was it stored?

How was it prepared for storage?

Wobbly's already given you some possible causes for the smoking, but if it turns out you do need head work, and you're on the east coast, Randy Long is an excellent machinist and can do that work for you.

Randy Long
RLM Custom Mechanical Service
RD#1 Box 685K
Honey Brook, PA
19344
215/286-5870

Ted Porter also does excellent work, but is moving more and more toward specializing in suspension components, and has stopped doing most maintenance and repair work on BMWs. Be sure to check with him first before you send him your heads to make sure he's still in that line of work.

8166 Scot Marburger, This email address is being protected from spambots. You need JavaScript enabled to view it.

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1 month 1 week ago #6463 by 14979
Replied by 14979 on topic '95 R100RT: Stored without oil
I agree with Wobbly draining the oil before storage isn't a big worry.

The East Coast is a long stretch of Coast :) I redid my heads about 3 years ago. I bought most of the parts then had Max BMW in NH do the machine work and assembly. With about 6k since and mostly at 75mph+/- doing IronButt rides, zero problems with the heads and I check them every 1000 miles or so.

Smoke only on off throttle sure sounds like valve stem seals. The engine develops a might big vacuum when the throttle is snapped closed and the engine is back driven by the tire. Valve seals are pretty easy to replace on an Airhead.

1981 R100RT

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