2018 310GS top speed & overheating - BMW G310 R/GS Forum
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post #1 of 10 (permalink) Old 09-12-2019, 05:21 PM Thread Starter
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2018 310GS top speed & overheating

Hi,

Just purchased a 2018 310GS with 500 miles on it as a nice addition to my R1200S and little TW-200. The bike is in perfect condition, except.....

I can't get the bike much over 77mph and to keep it at that speed I have to keep the throttle wide open. Then the bike starts to over heat (250+degrees F) and warning lights come on. The bike also runs 220+ degrees F when rowing through the gears for any given amount of time on back roads and around town and warning lights come on.

I was under the impression based on all my research including what I've read here the bike should be good for at least another 10mph and to hold 75, WOT shouldn't be necessary, let alone the high temps I'm seeing. 85 degrees F outside temp here. All this leads me to believe the bike is not pulling up to its capability at non-highway speeds as well.

My dealer is telling me all of the above is normal and the bike checks out properly.

What gives?
Thanks
Dan
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post #2 of 10 (permalink) Old 09-12-2019, 11:28 PM
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Interesting way to run-in a 500 mile old bike Dan. WOT until the warning lights come on...... I've never tried that before.



Any chance of posting up the VIN number so we can avoid the bike when you sell it?

Peter - Newcastle, Australia


Other Bikes:
Yamaha Super Tenere
Triumph Tiger 800
Yamaha FJR1300
Honda Valkyrie 1800
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post #3 of 10 (permalink) Old 09-12-2019, 11:42 PM
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yeah, I was going to ask if the run in service has been completed yet.
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post #4 of 10 (permalink) Old 09-13-2019, 12:10 AM Thread Starter
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LOL figured I'd get some comments on the break in. First service has been performed as well as side stand recall, I have all records.

Agree or disagree with how I ride it, I guess my only question given the replies so far is would you expect the bike as I've described to not have "loosened up" yet that I'm causing the over heating (WOT or otherwise) and it'll take more miles until it'll run as I would have expected? I'm guessing not. I've owned a lot of new bikes over the last 40 years (this is my 3rd BMW) and never experienced the high temps like I am on this bike. I'm also guessing there are those who have simply rode it like they stole it out of the box without these symptoms. But what do I know, maybe these 310's are different...

Any input is appreciated.
Thanks
Dan
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post #5 of 10 (permalink) Old 09-13-2019, 02:45 AM
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I have an R not GS my warning light has never come .

(what country are you in)



But if you bike is standard you have a problem

It is slow.
It is running too hot.( i take it you do not loose coolant)



Cam timing out ?
Air leak ?
Water pump not working correctly ?
Ecu or part of electronics incorrect ?



I suggest you ask the dealer to test ride the bike (find another dealer) , or you do a back to back with a demo bike or another g310 owner.


Contact BMW direct if you get no joy .

Last edited by Britmech; 09-13-2019 at 02:49 AM.
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post #6 of 10 (permalink) Old 09-13-2019, 04:41 AM
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you should be able to squeeze 100mph with it screeming its little heart out.!
[got to agree with others though its probably still a bit tight]
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post #7 of 10 (permalink) Old 09-13-2019, 04:44 AM
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That is definitely not right if the bike is standard.
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post #8 of 10 (permalink) Old 09-13-2019, 09:38 AM
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Not a WOT driver so can't really comment on overheating while running at this level for an extended time. More telling to me is your comment... "The bike also runs 220+ degrees F when rowing through the gears for any given amount of time on back roads and around town and warning lights come on." Bike should not be overheating with warning lights coming on in these conditions. Would expect a problem... based on issues with others having with the water pump I would place my money there.
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post #9 of 10 (permalink) Old 09-13-2019, 09:42 AM Thread Starter
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Thanks guys, as I suspected.
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post #10 of 10 (permalink) Old 09-13-2019, 09:56 AM
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Forgot could be a thermostat issue not opening correctly.


Was out on my R and temp range was 68 - 80 C 155- 176 F
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Last edited by Britmech; 09-13-2019 at 09:58 AM.
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