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General Category >> Rubber Side Down! >> Popping on Decel
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Message started by Jimworx on 07/10/09 at 12:58:12

Title: Popping on Decel
Post by Jimworx on 07/10/09 at 12:58:12

I know this was posted before but I can't seem to find it. I have a '96 with K&N cone filter and harley pipe. On decels, it seems to pop like crazy. If I slowly ease off on the throttle, its not as bad. Does anyone know what it might be?

Title: Re: Popping on Decel
Post by Skid Mark on 07/10/09 at 13:33:50

Welcome to Savage land. You will be needing to see posts on carb setups!!!

Title: Re: Popping on Decel
Post by verslagen1 on 07/10/09 at 13:41:48

Check the header bolts and muff clamp.

Check your sparky, it's lean if it's dead white.

Then adjust the carb.

Had this issue, and I reduced the number of disks in the supertrapp. Dam it won't pop anymore. :'(

Title: Re: Popping on Decel
Post by spacepirates on 07/10/09 at 14:06:30

I've got the same problem after installing Jardine pipes and a K&N air filter.

To solve this problem i'm planning on rejetting the carb when i've got the time, so we'll see how things go.

In the meantime, have fun with it. Right before you're going to shut off your bike, roll hard on the throttle and hit the kill switch right when you reach peak rpms. Most of the time (oddly not all the time) you'll get an extremely satisfying BANG!

Title: Re: Popping on Decel
Post by marine5317 on 07/10/09 at 16:25:34

When you are hitting that kill switch at those high rpm's you are also washing the oil off off your cylnder wall with raw gas!

Ride Safe
Marine5317

Title: Re: Popping on Decel
Post by Boule’tard on 07/10/09 at 16:33:10

You can get by without changing jets if you remove the white spacer (the whole thing.. no washers) and crank the fuel screw out to 3 turns, then make sure there are no exhaust leaks. I don't recommend this as a permanent solution, but it works fine while you're waiting for your jets or new carb.

Title: Re: Popping on Decel
Post by Rocco on 07/10/09 at 23:29:13

is there a way to INCREASE the backfiring? that's the mods i want!! ;D

Title: Re: Popping on Decel
Post by FreeSpirit on 07/11/09 at 00:03:32

063B37373B540 wrote:

is there a way to INCREASE the backfiring? that's the mods i want!! ;D

Imagine that! ;)

(I have so many tears of laughter from imagining that, I can barely see to type.Although I know you were joking)

Title: Re: Popping on Decel
Post by verslagen1 on 07/11/09 at 07:52:25

003D31313D520 wrote:

is there a way to INCREASE the backfiring? that's the mods i want!! ;D

Lean out the idle jet till it pops when you close the throttle.

Title: Re: Popping on Decel
Post by Rocco on 07/11/09 at 14:29:54

i'm not kiddin in the slightest! my neighbor was almost cryin because his big bad honda vtx 1800 sounds refined next to my wart hog snorting and growling!!

and i assume that's the screw near the carb....left is open correct? so go right? or am i backwards? lol

Title: Re: Popping on Decel
Post by verslagen1 on 07/11/09 at 17:18:34

right, maybe 1/8 turn is all you need.

Title: Re: Popping on Decel
Post by Serowbot on 07/11/09 at 17:32:13

330E02020E610 wrote:

is there a way to INCREASE the backfiring? that's the mods i want!! ;D

or just loosen your muffler clamp a little.... :o

Title: Re: Popping on Decel
Post by Rocco on 07/11/09 at 17:57:51

thank u gentlemen! maybe i'll do both! how much backpressure do u want in a muffler? mine is stock but has holes drilled in the end...if i drill more holes it will obviously be louder but would that hurt anything otherwise?

Title: Re: Popping on Decel
Post by tombgstone on 07/14/09 at 11:53:26

so how do you like the jardine pipes? did you notice any hp increase?
hows the sound?

Title: Re: Popping on Decel
Post by sakara on 07/15/09 at 07:40:16

Exhaust leaks cause the majority of the minor pops it seems, from my experience.

Title: Re: Popping on Decel
Post by spacepirates on 07/15/09 at 08:03:41

I really like my jardine pipes, aside from the crazy amount of afterfire you get from not tuning properly :'(. I haven't noticed any increase in HP yet either, but i'm expecting that to change with a rejet.

the sound out of it is amazing. first time i went riding with my pals (both have sport-bikes) they thought I had rolled up in big v-twin with aftermarket exhaust. both of them were real surprised to see a single make that much noise.

'course, they were also surprised when i turned her off and shot a lightning bolt out the back...