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All the BMW 650's with fuel injection have two common idle related problems. The first is usually throttle position related. When the bike starts with throttle partially open ( either as a result of the rider holding it open or not enough slack etc ) the BMS records that throttle position as...

I would unbolt/remove the pot/reservoir with the sand in it and flush it holding it upside down ( leaving it connected to its tube ). Also, pump fluid backwards through the system from the bleed nipple. A large syringe and a piece of plastic tube is usefull.

+1 on the oven cleaner. I've used it on aluminium too as long as you don't leave it on for long. A long handled brush like a small toilet brush ( new! ) or similar  helps too. Use the aerosol type of cleaner that foams. Spray on, scrub immediately with brush and spray off with a hose. Watch out...

This is a known problem often discussed on F650.com. Search the FAQ's and or threads. Also try https://www.f650gs.crossroadz.com.au/ElectronicRepairs.html. This guy is an electronics guru on the F650. You can email him through his site, he's pretty helpful. Seems like most problems are caused...

Tell 'em thanks but no thanks. If really necessary replace them yourself. Try Wemoto in the UK. https://www.wemoto.com/bikes/bmw/f_800_gs/12/ EBC rear disc 74.34 GBP, ( that's about 1305 zar ), Pad sets they list for the F800 from 11.39 to 23.98GBP.....that's 200-421 Zar.. They even have...

For me its pretty simple. The std plastic Dakar hand guards just move out of the way if (when ) you drop the bike. Broken clutch/brake levers cost almost as much to replace - even if you get generic cheapos from one of the internet shops. Especially when it happens again and ........ I bought a...

Difference? Probably very little unless you get conditions causing carb icing. But from your avatar you should know what carb heat and carb icing do..... Heat off with specific set of conditions conducive to carb icing and the carb slowly ices up, blocking the venturi and effectively throttling...

Probably one of the relays ( load relief or Motronic  - I can't remember which one ) found under the plastic housing behind the headstock. I remember reading about a similar problem on F650.com

OK maybe not ANY bearing shop...perhaps I should have said specialist bearing/seal shop. The place I usually use stocks only bearings and seals, and has seals in about any shape size and lip variety you could think of. BTW, Double lipped seals ARE standard oil seals. So are single and triple...

More than likely it's the voltage regulator.... A common problem on the funduro 650 ( pegasso's relative) Search F650.com FAQ's wrt to the VR. I forget the full details of it but when headlight is on the electrical load allows the VR to work properly, without load it doesn't deliver correct...

Standard 54x11x41mm oil seals.... Get them at any shop sealing bearings and oil seals.... Original part numbers ( not BMW - off the original parts themselves ) Fork Seal 54x41x11 NOK BR20031 Dust Cover NOK BR3420F

For rear master cylinder rebuild don't get the BMW kit. It only contains an O ring and a oil seal. There are many KTM, Aprillia & Moto-Guzzi's that use the same master cylinder. Available off E-Bay...

As far as I know there is only 1 brake line to the rear brake? There is also a ( thinner ) wire to the speed sensor  ........

The temp signal for both the light and the fan is routed through the BMS-C. Try a BMS swap with another healthy bike? Also wiring issues - chaffed, shorting wiring is also high on the possibility list.

Thin steel or aluminium tube cut to the right length with a hacksaw and sanded down.....

There are quite a few f650's over on F650.com with well over 100 000 miles! That's over 170 000 Kim's.

That makes sense - over rich would explain the hard start and rough idle without the sensor plugged in....

As far as I know the coolant temp sensor cannot stop the engine running. As Lecap says, however it feeds info to the BMS which controls fuel etc. The temp sensor sits on the RHS of cylinder head just behind the radiator fan. If the radiator was knocked backwards slightly, it's possible that the...

If you can't find vacuum plugs, use a piece of vacuum tube plugged on one end with a piece of solid rod. You might need a clamp to hold it in place. Looks crap but it does work, esp as a temporary solution.

For those who're interested in playing around with fluid weights...... https://www.peterverdone.com/wiki/index.php?title=Suspension_Fluid A very good, easy to understand , yet in depth explanation. Take note about the "weight" ratings vs viscosity. SAE system not really the best comparison to...