SuzukiSavage.com - Backfire on shutdown

james may

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SuzukiSavage.com
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holyoke, ma
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Backfire on shutdown
02/05/11 at 10:59:17

Been trying to fix my backfiring problem on my bike. It is mostly limited to a bang when I shutoff the engine.

I have recently rejetted with a #55 pilot and a #155 main jet. Also have the adjustment screw 1.5 turns out. Got it so the backfiring has gone from a Ba BOOOM to a POP. But it's still there on shutdown.. I am also running a cone filter and a jardine exhaust.

I haven't modified my white spacer I figured the pilot would be the biggest contributor and at least with jets you can always go back, if I take too much off the spacer I'd have to order a new one. If you guys think the needle setting will effect this I could play with it.. or if you think I need to go even bigger on the pilot jet. Figured #55 was pretty big though. Or is a shutdown backfire just impossible to get rid of on a savage. I had heard of some bikes having a special enrichment circuit just for shutdown so it won't backfire which I'm sure the savage doesn't have.

It's a 2002 btw.

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redsavage87 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 32	Re: Backfire on shutdown Reply #1 - 02/05/11 at 11:28:19 Well I've got an 87 and it backfires.. all the time, shutdown included. So this is nothing new for the savage! Just a suggestion on the white spacer, you can try picking up some real small washers and using several of those in place of the white spacer to get different sizes. Just make sure you flatten out the washers.
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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: Backfire on shutdown Reply #2 - 02/05/11 at 11:33:45 Just adjust the idle mixture screw CCW a bit to reduce the pop to a poof.
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Backfire on shutdown Reply #3 - 02/05/11 at 22:41:11 Well, you could solve the problem the same way I solved my hangover problem. You dont have a real problem, till you quit, right? May I suggest you just keep riding & dont shut the thing off? I avoid hangovers by just stayin drunk.. surely its a Universal truth..
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JimRR YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 18	Re: Backfire on shutdown Reply #4 - 02/06/11 at 04:21:28 All is well with your machine, my 2002 did it and my GF's 1997 does it. It's a Savage after all. Regards, Jim.
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TheSnakeLady

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Thumpers Rule!!!

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Central New York
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Re: Backfire on shutdown
Reply #5 - 02/06/11 at 04:49:44

LOL, when I first put the harley exhaust on it used to backfire really really loud. One time I pulled into a parking lot and shut it off and it backfired so loud the people in the car next to me jumped and ducked. I just went thru and completely cleaned the carb, made sure everything was set right and adjusted the air/fuel screw. Over time, it quieted down to a small pop which is barely noticable.

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My ride is a 2005 LS650, customized with ISO grips, cone air filter, stage 1 jets, Jardine exhaust, solo seat, AM turn sigs, and a catseye tail light. Next year, custom paint job (hopefully)!

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james may Senior Member Offline SuzukiSavage.com Rocks! Posts: 252 holyoke, ma Gender:	Re: Backfire on shutdown Reply #6 - 02/06/11 at 06:35:17 guess I'll have to look at it as character from what I've been hearing so far.. it's just whenever I stop at the gas station to get gas they all look at me funny when the starter pistol goes off..
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BurnPgh Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1732	Re: Backfire on shutdown Reply #7 - 02/06/11 at 15:59:25 If it really bothers you pull the choke at a little as you simultaneously hit the kill switch.
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qp YaBB Newbies Offline Posts: 26 Salt Lake City Gender:	Re: Backfire on shutdown Reply #8 - 02/09/11 at 19:45:13 My savage backfires normally.
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kimchris1 Serious Thumper Offline Pink Posse Rider... Posts: 2135 Belfair, Washington Gender:	Re: Backfire on shutdown Reply #9 - 02/09/11 at 19:55:53 My 09 occassionally (farts) on shut down. Or I should call it a fluff as it is a she.. I like it as not every bike, talks back to at ya when you shut it off. kim
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SavRon Full Member Offline SuzukiSavage.com Rocks! Posts: 118 Ohio Gender:	Re: Backfire on shutdown Reply #10 - 02/10/11 at 14:45:00 My 2001 does it also. Its annoying but I look at it as "an announcement of my arrival "...gets folks attention, and me noticed... thats right, I'm bad, check it and dig it.
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Backfire on shutdown Reply #11 - 02/10/11 at 16:21:06 Mine growls & spits on decel as I shift down thru gears. I like that.
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kingart3 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 34	Re: Backfire on shutdown Reply #12 - 02/10/11 at 16:22:20 My 2009 does it as well. It bothered me at first, but after a while it becomes "normal". I suppose if it stopped backfiring now I would have to take it to the shop and get it fixed ....LOL. -Hal
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