Backfire

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POWLO

Guest
Hi guys.

I am new to this site so just saying hello and wanted to ask a quick question.
I have had my R for about a month now howver, it sometimes back fires when i am running at high pm then change up to a higher gear, is this normal, no smoke or anything when it happens.

I have a full system and a de cat pipe.

Any help greatly appreciated.

Thanks 8)
 
OZ-Racing

OZ-Racing

New Member
It's normal, just over-fuelling due to the de-cat I think.

Try revving up to about 5000rpm in second gear and then lifting off the throttle until you're just tickling it. Pops and bangs like a good-un :lol: :lol: 8)
 
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pyrotecnic

Guest
excatly the same as mine but at night you can see flames. ummmmm. Scares of the people behind.
 
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POWLO

Guest
Cheers guys, needed a bit of reassurance thought i might blow something up otherwise.

yeah it is pretty good when it lights up the night sky.

:D
 
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Toady

Guest
mine does it too! at night its quality! in the country roads its cool to see the rear light up orange! :lol:
 
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tee

Member
so is this the same as a 200sx would? does it bang and pop everytime you change gear near enough? or just fettle the loud peddle?
 
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carpy100

Guest
it will do it on pretty much any car with a straight thru and a decat.
on cars with a carburettor if you drive along and turn the ignition off and roll with your foot down then turn the ignition on again it goes BOOOOOOMMM :!:
ruined many a works transit back box :lol:
 
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KAMIKAZE

Guest
pop and bang

my pulsar has no boxes at all just cutom made pipe and its VERY LOUD
to loud and it pops and bangs all the time and i have no problem at all so i would say its normal i wouldnt worry to much
 
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Cris

Member
carpy100 said:
it will do it on pretty much any car with a straight thru and a decat.
on cars with a carburettor if you drive along and turn the ignition off and roll with your foot down then turn the ignition on again it goes BOOOOOOMMM :!:
ruined many a works transit back box :lol:
Click to expand...
That's why you have kill switches on motorbikes!
 
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carpy100

Guest
:lol: just rememberd all the fun i used to have on my 750 gixer with the kill switch. small villiage high streets a speciality!
cars with open windows in traffic jams...
wonder if it will work on my old crosser :idea:
 
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kyepan

New Member
OZ-'R'acing said:
kyepan said:
try regrounding the earths, and it might stop doing it..
Click to expand...
Now why on earth would I want to go and do a thing like that :p :lol: :lol: :twisted:
Click to expand...
truth be told, when it did stop, i had to fit a flamer kit.. it was the only choice.
 
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tee

Member
how hard is it to fit a flamer kit?

i understand that they have a switch for the sprak plug thing, but does it then pop a flame everytime the exhaust bangs?
 
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kyepan

New Member
you need a coulple of bits.

spark, coil, ht lead, and the box that tells the coil to pulse at a certain number of pulses per second. then the switch and some power.

you can make the box with a few bits from maplins, can't remember what though.
 
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