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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> BACK FIRING! /cgi-bin/YaBB.pl?num=1408820079 Message started by savagetyler650 on 08/23/14 at 11:54:39 |
Title: BACK FIRING! Post by savagetyler650 on 08/23/14 at 11:54:39 Hey everyone Im new to this forum so my bad if Im asking a question in the wrong category. But im having issues with my bike backfiring when i turn off and sometimes when shifting from 1-2 & 2-3. I took my carb out i dont no how many times trying different jet sizes and adding spacers to my needle. Right now i am at a 55 pilot and 150 main and still get the backfiring. Ive tookin out the fuel/air adjustment screw and st. My pipes are turn blue ass well. I have a mac preformace exhuast and a cone filter. PLEASE HELP ME GET HER RUNNING RIGHT! |
Title: Re: BACK FIRING! Post by verslagen1 on 08/23/14 at 13:50:56 how about telling us about your bike? otherwise all our answers could be wrong. |
Title: Re: BACK FIRING! Post by savagetyler650 on 08/23/14 at 13:56:59 Its a 2003 Suzuki Savage ls650 with only 3000 miles on her. I live in a very humid area (miami Florida). The bike never really had any crazy back firing until i made the upgrades. I dont mind the back firing here and there but when i turn her off it sounds like a shotgun. The idle is smooth to my ear and all gears ride nicely just dont get why she keeps backfiring. |
Title: Re: BACK FIRING! Post by LANCER on 08/23/14 at 13:58:29 Stock muffler or ? ? Stock intake filter or ? ? |
Title: Re: BACK FIRING! Post by savagetyler650 on 08/23/14 at 14:01:08 I added a K & N air intake and a mac exhaust muffler |
Title: Re: BACK FIRING! Post by savagetyler650 on 08/23/14 at 14:02:23 idle mixture screw is a little over 1 and a half turns out |
Title: Re: BACK FIRING! Post by bobthekerr on 08/24/14 at 20:24:57 Same situation here. I have decreased a decent amount of my backfires during shift transition by not fully dropping the trottle between shifts; however if I have riden even a few minutes and shes gotten warmed up it shotguns every time I shut it off. 95 savage ls650 11,500 mi Carb plug removed by previous owner, adjusted screw 2-2-1/4 turns to the left from point of the where the engine sounds like its struggling a bit. (Post-warming the engine up) Jardine Slip on muffler Stock intake |
Title: Re: BACK FIRING! Post by Dave on 08/25/14 at 03:23:48 607265727476676A7F7661252623130 wrote:
405245525456474A5F5641050603330 wrote:
The big single on the Savage does not like mufflers that you can see straight through from one end to the other. If the Mac is that kind of muffler, and you want to run that kind of a pipe, you are going to have to live with the bad behavior. The DYNA and Supertrapp that have chambers and baffles make the bike easier to tune, and allow the bike to run well, and don't irritate the neighbors with gunfire like explosions. At shutdown....you get a nice pleasant sounding little...."Woof" Kinda' makes me think the bike is saying....."Your Welcome"! Dave |
Title: Re: BACK FIRING! Post by DavidOfMA on 08/25/14 at 08:10:37 If you can't get rid of the shotgun pop through tuning, a simple workaround is to pull out the choke before shutting the engine off. Because it's actually a fuel enrichener, that will either cause the bike to stall or make the mixture rich enough so when you kill the ignition it poofs instead of cracks. At least, that's been my experience, but I'm still relatively new to all this. |
Title: Re: BACK FIRING! Post by savagetyler650 on 08/25/14 at 12:20:49 Ive found out that i have an exhuast leak from the muffler when i unraveled my wrap today. not really liking this muffler and it sounds alright. im really thiing about getting the blue collar bobber drag pipe. any good reviews on there product??? t |
Title: Re: BACK FIRING! Post by Dane Allen on 08/26/14 at 18:33:44 Also, stalling out in first or second eliminated the after-fire as well. |
Title: Re: BACK FIRING! Post by bobthekerr on 08/27/14 at 10:59:01 393F3232363F343339382F5D0 wrote:
Tried this and it worked; however is ok to pull the choke each time before shutting off? Also, do I just push the choke back in right after it shuts down? |
Title: Re: BACK FIRING! Post by jachase1980 on 08/27/14 at 17:42:17 before i had my carb tuned to my k&n and straight pipe to avoid the load back fire on turning off the engine i would put it in first gear hold the brake in and let the clutch out with no gas and let it turn off that way. |
Title: Re: BACK FIRING! Post by Drestakil on 08/27/14 at 18:00:59 2A21232821332571797870400 wrote:
That's what I do. I don't see any way it could hurt it. It runs with the choke out for maybe a second or less. |
Title: Re: BACK FIRING! Post by bobthekerr on 08/27/14 at 18:54:24 Ive been pulling the choke the last couple rides, been working good so far...poof instead of a gunshot. Sure my neighbors appreciate it ::) |
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