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Popping on overrun
Posted: Wed Aug 29, 2007 7:38 pm
by timbox2
If youve read my previous post you will know that Ive just fitted a new Y piece, my question is, is it normal to get a fair bit of banging on the overrun, not always but especially if Ive really been caning it, Ive been told that the bike has a chip fitted and used to have a full laser system, obviously took off before the previous chap sold it.
Posted: Wed Aug 29, 2007 7:40 pm
by Yogi Bear
"They all do that sir..."
Well mine does and I like it!
Cheers
Ali
Posted: Wed Aug 29, 2007 8:00 pm
by gus
Check that you have good a seal where the y piece meets the headers.Did you use new gaskets?Also check where the cans join.Any air entering at those place will make it pop and bang like a good un.
That said you will get a few pops and bangs which were previously masked by the cat.
gus
Posted: Wed Aug 29, 2007 8:19 pm
by JoeC
Popping and banging in tunnels is fun when I can manage it!
Posted: Wed Aug 29, 2007 8:34 pm
by timbox2
Cheers for that then guys, I will recheck all the joints anyway after a few more miles, big ride tomorrow, just cant make me mind up where, west coast of wales maybe
Posted: Wed Aug 29, 2007 8:38 pm
by Dog Tyred
Glad you raised this point, Timbox2
I too have just fitted a Y piece as well as a Laser rear box. Like you say, lots pf popping and banging, even on up gear changes
and I was wondering if it was normal for an S. My SV650 used to do pretty much the same thing but that had Viper race can.
Interesting point about air getting in the joints as I do have a slight 'blow' at the rear joint. I shall have to see if I can seal it up.
Nu2
Posted: Wed Aug 29, 2007 8:41 pm
by JoeC
Nu2beemers wrote:I do have a slight 'blow' at the rear.
Too many curries there Nu2?
Posted: Thu Aug 30, 2007 5:53 am
by timbox2
timbox2 wrote:west coast of wales maybe
Just realised what i said, be pushed to ride the east coast wouldnt I
Posted: Thu Aug 30, 2007 6:00 pm
by oyster
Ohmigod! My Y piece and Laser silencers DONT pop and bang on hard overun. What's wrong?
Posted: Thu Aug 30, 2007 8:14 pm
by gus
oyster wrote:Ohmigod! My Y piece and Laser silencers DONT pop and bang on hard overun. What's wrong?
Your bike is fettled far to much and is in too good a state of tune.
I would suggest you mess up the throttle body balance to ensure a good pop and bang.
gus
Posted: Sat Sep 01, 2007 3:57 pm
by minivin
a knackered fuel pump maybe the cause of mine popping and banging on the overrun, still aint taken it for a proper run yet with the new fuel pump to see if it still does it, but shit does it have grunt now
must have been fading away for a few years as I had forgotten why I had originally brought it
Posted: Sat Sep 01, 2007 8:28 pm
by f90x
Hmmm, snap crackle and pop. I love mine.