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Carb Tuning: Garbly sounds (Read 38 times)

Coaxial

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Posts: 184
Toronto, Ontario, Canada
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Carb Tuning: Garbly sounds
05/29/14 at 06:53:50

Hey guys I am having some issues tuning my bike correctly.

Currently when I roll off on the throttle the bike slows down and makes garbly farting noises sometimes the occasional pop.

I am using 145 / 45 / 1.5x turn with one metal washer spacer.
I am 350 ft altitude close to a Lake.
I am using a K&N Air filter
I am using a Jardine Rumbler Exhaust.

I checked the sparkplug and it is dark and sooty.

Any thoughts?

2007 Suzuki Boulevard S40 Black. K&N Air Filter, Jardine Rumbler Exhaust, Raptor Petcock.

145 Main Jet, 45 Pilot Jet, 1.5x

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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 18095 Camp Springs, Kentucky Gender:	Re: Carb Tuning: Garbly sounds Reply #1 - 05/29/14 at 07:15:24 You might try adding an additional washer to the needle. It is normal to use 3, 2 sometimes works to correct a lean mid range. I have not ever heard of anyone running just a single washer.
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28637 Tucson Az Gender:	Re: Carb Tuning: Garbly sounds Reply #2 - 05/29/14 at 07:20:45 I like the garbly, farting, noises.... gives it character... With your set-up,... your jetting sounds lean... Try a 152.5/50# combo...
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Coaxial Full Member Offline SuzukiSavage.com Rocks! Posts: 184 Toronto, Ontario, Canada Gender:	Re: Carb Tuning: Garbly sounds Reply #3 - 05/29/14 at 07:33:43 hmmm lean? last time i had a higher jet size my MPG went to around 36 mpg and sooty rear brake lever and spark plug. Very sooty. I will try adding more spacers. Man this Jardine is hard to tune.
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28884 L.A. California Gender:	Re: Carb Tuning: Garbly sounds Reply #4 - 05/29/14 at 07:52:56 Yep, you are compensating a lean setup with an overly rich needle setting. and sparky could be sooty cause of that. proper way is to set the jets 1st then adjust the needle.
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Carb Tuning: Garbly sounds Reply #5 - 05/29/14 at 08:50:30 The Jardines are Jard Ones to jet to,.,The Dynas are easy,,
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