engine surge

Having Problems with your BMW R1200RT/R1250RT? or have some Maintenance and Service questions?
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harmonzo
Posts: 2
Joined: Wed Oct 23, 2019 10:10 am

engine surge

Post by harmonzo »

hi al
my 2010 rt has developed a problem where the engine when idling suddenly surges to very high revs. once it surges to 5000rpm i hit the kill switch to avoid engine damage.

i can reduce the surge and get the engine back to idle speed by rotating the throttle back past the usual throttle stop.
i've read lots of forum posts but i haven't found anybody reporting these exact symptons. i've seen a few reports of engines surging erratically between 1000 and 2000 rpm.
Graham88
Posts: 120
Joined: Mon Jul 23, 2018 3:09 pm
Been liked: 1 time

Re: engine surge

Post by Graham88 »

I had/have the same issue, appears to be when the engine is warm/hot and pushing the throttle back seems to stop it. It's so infrequent at the moment I haven't bothered looking into it as it would be nearly impossible to replicate. It has also happened while in motion resulting in a loss of engine braking.
harmonzo
Posts: 2
Joined: Wed Oct 23, 2019 10:10 am

Re: engine surge

Post by harmonzo »

thanks graham88

my bikes issue is not temperature related. the fault exists irrespective of temperature.
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