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Help Help Help New Bike Backfiring (Read 111 times)
pam
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Help Help Help New Bike Backfiring
03/26/16 at 12:31:51
I just bought a New 2015 S 40 ..... ok first off I put fresh gas in it and seafoam. IT is slightly backfiring. my question is it sat all winter at this dealers shop.. should it be doing this. it is a new bike only had 2 miles on it...i rode i for just 3 miles around my Apartment complex.
is this a normal thing for these bikes..its not a loud backfire.. but it is doing it. any help appreciated ????? Thanks Pam
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Kenny G
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Re: Help Help Help New Bike Backfiring
Reply #1 -
03/26/16 at 12:37:56
Pam,
The backfiring is nothing to worry about.
As you have time, read through The Technical Documents.
Welcome to The Singles Club.
Kenny G
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verslagen1
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Re: Help Help Help New Bike Backfiring
Reply #2 -
03/26/16 at 12:58:32
When is it backfiring?
Changing gears?
Coming to a stop?
Shutting off?
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norm92de
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Re: Help Help Help New Bike Backfiring
Reply #3 -
03/26/16 at 13:32:13
Pam,
I have a 2014 just like yours. Had the same problem and fixed it completely by removing the brass idle mixture plug and simply adjusting the mixture for best idle.
There is a lot of help on here, you won't have any problem fixing it. The warranty is another problem however. I will never take my bike to a dealer but I have experience in motorcycle repair. I kissed off the warranty on mine, so to speak, as I won't let a dealer touch it.
In your case it might be better to let the warranty expire before doing anything that might compromise it. The backfiring is annoying but does no harm.
Stay in touch
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2014 S40. Raptor. idle mixture adj.Needle raised one notch. 4000' altitude. Stock jets. Shell Rotella synthetic.
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justin_o_guy2
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Re: Help Help Help New Bike Backfiring
Reply #4 -
03/26/16 at 15:56:39
First, don't panic.
It's just a big single cylinder engine and is prone to backfiring.
Some of it can be controlled by how you use the throttle. Letting it slam shut can make it do it. Another common cause is a slight leak in the exhaust. The connection between muffler and header may not be right. The seal where the header goes into the head may be a bit loose. Tightening those requires a gentle hand and the understanding that, eventually, they will need to be snugged again. Or, you can decide you're gonna tighten them so they never shake loose again, at which time you'll certainly twist something off. Only adjust those when the engine is cold.
As mentioned above, there is a brass plug over an adjustment set at the factory. The EPA has forced Suzuki to jet the bike leaner than when they first came out some thirty years ago. The idle air adjustment is rarely set for optimal performance and can, like exhaust system leaks, cause backfiring.
We have seen the result of taking a new bike to the dealership.
I don't recommend it.
We've seen engines destroyed by professional mechanics who installed the oil filter backwards. The list goes on.
The expertise of the people here who have been keeping these bikes alive dwarfs what they know in a dealership. They work on a wide range of products and the Savage is relatively uncommon and not something that the mechanics are all excited about working on. So, the least capable mechanic gets the simplest jobs. Your bike.
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The people never give up their liberties but under some delusion.- Edmund Burke.
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pam
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Re: Help Help Help New Bike Backfiring
Reply #5 -
03/26/16 at 20:57:51
Thanks Guys for all the help... thats what i was thinking ..its to lean...
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Kris01
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Re: Help Help Help New Bike Backfiring
Reply #6 -
03/26/16 at 21:26:52
Congrats on the new purchase! Read through the tech section thoroughly for answers to most of your questions.
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There's no problem that a full tank of gas and a sunny day can't fix!
2008 S40, Rotella T 15W-40 w/ZDDP added, Dyna, 140/90-15, Battery Tender Jr., Seat lift, #52.5/150/3 washers, Raptor
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Struch
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Re: Help Help Help New Bike Backfiring
Reply #7 -
03/27/16 at 00:01:50
Tune it up and you all good
but it is going to back fair in some instances and we all LOVE IT
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jcstokes
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Re: Help Help Help New Bike Backfiring
Reply #8 -
03/27/16 at 00:03:57
What's your mechanicing experience, and or DIY experience.
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Completely stock 2010 S40, aftermarket rev counter and back pack, Airhawk seat pad
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Dave
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Re: Help Help Help New Bike Backfiring
Reply #9 -
03/27/16 at 05:13:00
Pam.....I have been out of town this weekend visiting my mom.
We will get together next week and see what your bike needs.
Dave
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Someday I will be old......But not today!
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Rodger
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Re: Help Help Help New Bike Backfiring
Reply #10 -
03/27/16 at 07:47:48
Hi, Pam,
I bought a new 2015 S40, too (first brand new bike in 30 years) in the red metalflake. I was startled by the backfire first time I shut the throttle quickly at 50 mph -- thought I'd blown the muffler off! lol
Per advice I read here, I'm a bit gentler with the throttle. Also, at the end of a ride, letting the bike idle for about 20 seconds before turning the key off reduces the xhut-down backfire.
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DesertRat
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Re: Help Help Help New Bike Backfiring
Reply #11 -
03/27/16 at 08:06:08
Rodger,
I like the shut-down backfire, it lets em know Caesar has arrived.
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-The silence of indifference makes cowards of men.
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http://www.pipeburn.com/home/category/rat
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Rodger
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Re: Help Help Help New Bike Backfiring
Reply #12 -
03/27/16 at 08:12:30
Hey, there, "Rat"...
Alas, in my neighborhood a loud backfire might just be mistaken for gunfire....and possibly elliciting an Unwelcome Response. Gotta love livin' in the Big City.
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DesertRat
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Re: Help Help Help New Bike Backfiring
Reply #13 -
03/27/16 at 08:16:57
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-The silence of indifference makes cowards of men.
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http://www.pipeburn.com/home/category/rat
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pam
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Ft. Mitchell, KY
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Re: Help Help Help New Bike Backfiring
Reply #14 -
03/27/16 at 11:12:35
to Dave,,, Thank you ..appreciate you helping me.
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