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Message started by james may on 02/05/11 at 10:59:17

Title: Backfire on shutdown
Post by james may on 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.

Title: Re: Backfire on shutdown
Post by redsavage87 on 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! ;D

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.

Title: Re: Backfire on shutdown
Post by verslagen1 on 02/05/11 at 11:33:45

Just adjust the idle mixture screw CCW a bit to reduce the pop to a poof.

Title: Re: Backfire on shutdown
Post by justin_o_guy2 on 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..

Title: Re: Backfire on shutdown
Post by JimRR on 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.

Title: Re: Backfire on shutdown
Post by TheSnakeLady on 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.

Title: Re: Backfire on shutdown
Post by james may on 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..

Title: Re: Backfire on shutdown
Post by BurnPgh on 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.

Title: Re: Backfire on shutdown
Post by qp on 02/09/11 at 19:45:13

My savage backfires normally.

Title: Re: Backfire on shutdown
Post by kimchris1 on 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

Title: Re: Backfire on shutdown
Post by SavRon on 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. 8-)

Title: Re: Backfire on shutdown
Post by justin_o_guy2 on 02/10/11 at 16:21:06

Mine growls & spits on decel as I shift down thru gears. I like that.

Title: Re: Backfire on shutdown
Post by kingart3 on 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