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Old 03-27-2010, 11:03 AM   #271
Bartron
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Quote:
Originally Posted by WoodWorks
In that circumstance, wouldn't the temp. gauge max out too?
You would think so but it didn't happen for me. IIRC I had the flashing yellow as the bike was packed with mud and going really slow with a lot of slipping. The temp gauge did not reach full or give any indication as to what's going on. The bike idled quite poorly at the time too but with some forward motion all was right again after restarting it to give the electronics another chance to 'check the system'.
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Old 03-27-2010, 11:28 AM   #272
WoodWorks
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Quote:
Originally Posted by Bartron
You would think so but it didn't happen for me.
Good to know, Bartron. I guess that's yet another gauge on the OBC I no longer have any reason to trust.

David
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Old 03-27-2010, 11:41 AM   #273
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oil pressure / fan

sensational work boys; the fan was full of dirt. pulled it out, air compressor did its job, fan & bike running all good again.

so... my pisspoor maintenance & cleaning schedule caused me another headache.

thanks again.
dave
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Old 03-27-2010, 11:53 AM   #274
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This might be a good time for an oil change, Dave. If the oil heated up enough to drop the oil pressure, my guess is that it's fairly useless at providing decent lubrication now.

David
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Old 03-27-2010, 12:32 PM   #275
gr8ridn
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I would think the temp gauge was working as designed. It gives a yellow general warning before the gauge reaches the top temp to call attention to higher than normal temps so you can take measures before too late. The general warning will then go red if the temp reaches a higher plateau. Maybe just me, but this seems logical.
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Old 03-28-2010, 07:22 AM   #276
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I'm not sure I follow your reasoning, gr8ridn. As Bartron said, his temp. gauge didn't give him "any indication as to what's going on." Apparently neither did Dave's. Don't you think he would have had an easier time diagnosing his problem if he had been able to watch the temp. gauge rapidly rising to max rather than barreling across the Balkan peninsula with a bunch of non-specific idiot lights flashing at him?

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Old 03-28-2010, 07:41 AM   #277
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As hard as I tried last season, I could never get my temp gauge to rise above mid-bar level. I was able to trigger the fan, if left at idle long enough. But even when the fan triggered, the temp bars never rose.
I thought it a bit odd.
I just figured this to be a cool running engine, unlike the 950 which is a hot running mill, with the fan triggering at every stop sign !
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Old 03-28-2010, 11:50 AM   #278
gr8ridn
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Ok David, maybe I mis-read Bartron. I was thinking the gauge rose above normal, but not to the top of the range. If it stayed at the normal range, just below the center tick then there is a problem if in fact it overheated. The general warning light is designed as an alert to many possible problems and changes from yellow to red depending on the severity of the problem. You are right if the light goes on and the temp indicator remains normal there is no indication of overheating.

On my bike the fan will come on if idling too long without moving. The temp gauge shows one bar above normal when the fan triggers. This is similar to the other liquid cooled BMWs I have experience with. On those bikes the fan will trigger at 217f and the light will go on at 232f. Our bikes seem to have similar thresholds.
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Old 03-28-2010, 01:17 PM   #279
JoelWisman
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The whole overheating coolant without temp gauge indication is not my experience.

I have ridden 2 f800gs's that over heated. Both of these bikes overheated because for one reason or another, the coolant was drained and when refilled, was not bled propperly.

I did not do the work on these bikes but I did do the check rides.

On both of these bikes, the temperature gauge rose to 4 bars while moving and then to 5 bars at which point the master caution light started flashing like mad.

I don't remember what color it was nor if any status messages were present but I do remember that the temperature gauge was pegged.

On the second occasion this happened I was watching for it as I know knew the bike had an important bleeding procedure that not everyone got right.

The coolant temperature rose to maximum in a linear fashion with the master caution flashing 1 bar before pegged.

The second bike began to over heat in a poor location for stopping and went to pegged as I pulled to a stop. At this point the bike began discharging blue coolant but was not idling or running poorly.


I have seen the master caution illuminate for the cooling fan though. On one bike we recieved in a crate, Berlin forgot to plug in the cooling fan all together. On this bike master caution started flashing 30 seconds into the ride before the engine was even warm. I would posit that the same would happen if the ZEF detected high current draw from the fan due to mud or whatever preventing it from turning but I've never experienced such an occurance.

On none of these occurances did the oil pressure light illuminate or flash. I am quite certain of that as I would not run or idle any bike with such a warning, I'd tow it, and the above bikes were all limped back to the shop with long cool downs imbetween short rides so the coolant temperature gauge never again peaked.

In any case, they all ran and idled fine, temperature gauge pegged and spewing out coolant, or not.

My guess is some other coincidence or something all together different occured in the post above, but I doubt it was related to overheating coolant.
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Old 03-28-2010, 01:36 PM   #280
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I'd hedge my bets on the fact that the ECM (or whatever they choose to call it) recognised excessive current draw on fan activation and indicated a fault. I've heard a few guys talking about this, and the oil pressure warning indicator was always mentioned with fan failure. I have no idea why they would be related.
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Old 01-02-2015, 06:56 PM   #281
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800 GS Adjustable Side Stand

I have a bad hip and have to get on from the right side. Also want to lower the bike and have been hung up unable to get the side stand up. Did some simple re-engineering and now have an adjustable side stand. Cut the bottom of the stand tube off a few inches put a 3/4 inch threaded rod with a couple nuts on it and weld one nut to the bottom of the tube and weld the bottom foot back on to the threaded rod. Also welded on a bigger foot but only on the back and out side of the foot so it makes for more clearance. The foot enlargers that I've seen all make it harder to get the stand up.

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Old 01-05-2015, 04:25 PM   #282
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EWS and ASC

Quote:
Originally Posted by Desert Dave View Post
So this is the complaint thread where we get to whine about the little things that bother us? No bike is perfect and I expect to modify about any bike, but I suppose what bothers me are the things that BMW could have made better at little to no extra cost and it makes me go "huh?" Plenty of things that are less than perfect but these seem like no brainers.

The seat. Need I say more? ANYONE actually think it's really good?


How about the OBC? Some of the displays are a novelty (lap timer etc) for most of us, an that's fine, but where's the voltmeter? Something we could actually use, very practical and it couldn't be hard to make the screen display something that's already being monitored. Speaking of the display, what's the deal with the bars that represent fuel and coolant temp? My eyes are still pretty good, but I have to squint and stare an actually count the bars they're so small and close together. Other bikes I can glance and know the status in a fraction of a second, the 800 I have to take my attention off of the road.

Computer won't allow bump starting.....stupid.

EWS Immobilizer isn't an option, but mandatory...thanks alot. A real adventurer appreciates a bike that can be hot wired.

There. I'm sure I'll whine more about other things as I discover them. And really this isn't so bad. I suppose this will keep my karma in balance after all the enthusiasm I've shared over this bike.

Oh, an for the guys having trouble with the throttle an managing power, go ride a big two stroke for awhile an the 800 will feel like a kitten

I'm looking for my next bike. Something in the adventure touring configuration, bigger than a 650, less clumsy off hiway than a 1200. Looking hard at the F800GS, it seems to be right in most ways, but a few things have me skeptical.

I really don't like excessive gimmickry, especially with the electronics. Seems like a failure waiting to happen. About the ASC "stability control". The thing apparently cuts out your engine whenever the programming decides it ought to. No thanks. What if it decides to do that while I'm passing a semi on two lane blacktop? Anybody want to offer their experience with that, say what is good or bad about it?

And the ESA. Adjustable suspension, good. But electrically operated adjustable suspension sounds about as useful as powered cup holders. What happens when the motorized part shorts out at a stream crossing? Is this really superior to a manual adjustment? Does being able to set it on the fly make it worth the botheration of maintaining it?

And worst, EWS. I've seen these fail on SUVs. Way too spendy and inconvenient. And totally unnecessary. Can I order the bike without this? Can I disable it? Seriously, this crap is a deal breaker. I don't want a bike that is going to end up dead on the roadside in remote Bolivia because the computer is confused and needs a dealer reboot.

Can folks that have a few thousand miles on their F8GS please offer some experienced based feedback on these features and the reliability of the electrics, electronics. Sure would be appreciated.

Thanks,
TR

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Old 01-05-2015, 05:28 PM   #283
Bayner
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Well,my '09 has nearly 100,00 kms, been around the planet, and never had an EWS problem. Don't have ESA or any of that other crap so I can't comment on those.
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Old 01-06-2015, 10:58 AM   #284
Motoriley
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F800gs electronics

Mine doesn't have big kms on it but it has been submerged deep enough that the headlight bulbs blew and and it is been running fine two years later.
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Old 01-06-2015, 11:50 AM   #285
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80,000km on my 2010, only "big" failures have been steering head bearings (3 sets) and stator (just replaced it - not bad IMO). I think the EWS issue was sorted years ago. If you don't want the gimmicks, don't order them. Still runs great but nobody wants it as a trade in because it's got too many km. Guess I'll just ride it for another 80k .
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