BMW R1200R R1150R/T F800 K1200R R1100R/T R1250R RnineT Message Board

I think i may have solved the problem altho still not perfect but looks like a bit of corosion between the wheel and hub giving a bad signal from the rear sensor. Still had a warning after a 80 mile ride after being parked for an hour but switching off and back on it was ok. Have since done a 150 m...

I have changed the oxygen sensor then the problem has been disappeared.
Now everything is fine.

Thank you everybody who gave me the advice.

I found this; "allanj255 wrote: Found the recall Models: BMW R Model Motorcycle Year: 2003 Number Potentially Involved: 7,000 Dates of Manufacture: December 2002 – August 2003 Defect: On certain motorcycles (Opposed Twins w/Two-Spark Ignition), the electrical wiring for the oxygen sensor...

Thank you for your kind reply, Iowa. However I have done cleaning the fuel tank and change the fuel filter about weeks ago. My guess is the oxygen sensor's heating coil is a problem. Once the cat is heated on then the engineen has no problem, the problem is during several minutes before the engineen...

My 03 R1150R Rocster, twin spark, has a problem. Once I start the engineen during a couple of minutes it surging and turns off, so I chuke up and flip throttle to rev more than 2000rmp for about 2 minutes then the engineen turns to stable. So I guess that before O2 sensor sending signal the engineen...

That was one of the my cuoriosity however it wasn't the main cause for current my bike. I had changed to K&N air filter and test it. but the symtoms was the same. During yesterday test I discovered that the engineen is suddenly dead and alive again repeatablily in very short time - in my measure...

Yesterday, I changed the bad fan belt and test ride again, However the failure symtom is the same. I searched the forum and find similar case with me. There is two possible causes, One is a failure of oxygen sensor, the other is a failure of ignition coil. Today I will check with the oxygen sensor -...

Hi Sikim, welcome. The only thing I can think of is that maybe the alternator belt is loose - thus the battery is not being charged very well and when you use the brakes, the extra power required by the ABS system is removing electrical power from the engine management systems. May not be the cause...

This is the first time I post, This is the very good forum so I can get lots of information, actually in Korea there are not many people riding R1150R. I sold out my preowned 2001 R1150R and bought another 2003 Rockster 20,000 miles, abs. By the way this rockster has a problem, In normal speed betwe...