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R1100s with a cough?

Posted: Wed Aug 07, 2013 7:50 pm
by Hoggyf
My r1100s has an annoying little cough, when your on the overrun it tends to pop a little very now and again, this is highly annoying in slow speed corners as it tends to push the bike on a little, as though its giving a little squirt of fuel in??
Any suggestions?

Posted: Fri Aug 09, 2013 9:29 am
by fatnfast
Popping from the exhaust on decel can point to an air leak in the exhaust system, check the joints are all tight. You can also get the feeling that the bike is being given a little shove whilst it sorts its fueling out. If your running a 'sporty' system then this can be tricky to eliminate totally. I get some craking flames from my GS on the overrun sometimes :D

Posted: Fri Aug 09, 2013 10:11 am
by Dai wiskers
Try disconnecting the lambda sensor the connection is under the tank right side follow the cable up from the sensor to find it most bikes run better with it disconnected

Posted: Fri Aug 09, 2013 10:51 pm
by Hoggyf
It tends to be when you shut the throttle off and decelerate for quite a while then just as you turn into a corner it pops and pushes on just a little. It does have a y piece exhaust I think but std cans? Not sure what else its had done.

Posted: Sun Aug 11, 2013 9:40 pm
by nab 301
Hoggyf wrote:It tends to be when you shut the throttle off and decelerate for quite a while then just as you turn into a corner it pops and pushes on just a little. .


Is that not "normal" , fuel cuts on the overrun until revs drop then pop, at the predetermined level , not sure what rpm exactly :oops: . Maybe drop another gear to keep the revs higher ?