SuzukiSavage.com - What needs to be done with a muffler swap?

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What needs to be done with a muffler swap?
04/06/13 at 18:10:35

I am really wanting to swap my muffler with a harley dyna like many here have. I'm confident I could do the actual swap (even though I'm new to motorcycles and mechanical work). But what I'm worried about is all this talk of having to rejett and tune the carburetor. I'm not exactly sure what is needed to do this or if I'll be able to do it. I would just like to know what all is needed to be done if I swap my muffler and what rejetting actually is. Sorry for the wall of text. Thank you for your time!

*year 2000, with no modifications, completely stock.

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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28644 Tucson Az Gender:	Re: What needs to be done with a muffler swap? Reply #1 - 04/06/13 at 18:20:45 Read here... ... (a #150/50 with a 2/3 spacer seems to be generally accepted, if you're not too into fiddling)... Harley muffler guide...
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glencross96 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 15	Re: What needs to be done with a muffler swap? Reply #2 - 04/06/13 at 18:34:11 Thank you for the link to that guide! That will help a lot! But I'm still a little confused as to what " 150/50# main/pilot and 2/3 thickness spacer" means. Is that the rejetting? I'm very new to this. Could you give me a quick explanation as to what that means?
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28644 Tucson Az Gender:	Re: What needs to be done with a muffler swap? Reply #3 - 04/06/13 at 18:38:56 Lesson two... tuning... ... (BTW,.. yes, changing jets and slide needle position is tuning)... It's really very easy... just a bit intimidating when you're trying something new... You can do it, easy... ... Serowbot's carb tuning tips for beginners... I'm so prepared... ...
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glencross96 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 15	Re: What needs to be done with a muffler swap? Reply #4 - 04/06/13 at 18:56:41 Thank you very much! This will really help!
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rfw2003

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Re: What needs to be done with a muffler swap?
Reply #5 - 04/06/13 at 19:16:45

glencross96 wrote on 04/06/13 at 18:56:41:

Thank you very much! This will really help!

glencross96

You will find that in the Tech section of the forums there is a sticky post called the Table of Contents.

It has links to various posts that covers alot of the main issues and fixit's that are common to the savage/s40 it also covers alot of the basic upgrade stuff to our beloved Savage as well.

R.F.

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1996 Savage, Corbin Seat, K&N filter, Slip Streamer Enterprise II windshield, LED bullet signals, Cat's eye LED tail light Ryca reverse cone long muffler

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glencross96

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Re: What needs to be done with a muffler swap?
Reply #6 - 04/06/13 at 19:30:42

rfw2003 wrote on 04/06/13 at 19:16:45:

glencross96 wrote on 04/06/13 at 18:56:41:

Thank you very much! This will really help!

glencross96

You will find that in the Tech section of the forums there is a sticky post called the Table of Contents.

It has links to various posts that covers alot of the main issues and fixit's that are common to the savage/s40 it also covers alot of the basic upgrade stuff to our beloved Savage as well.

R.F.

Oh! Whoops! I'll be sure to check that out next time! Thanks!

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: What needs to be done with a muffler swap? Reply #7 - 04/07/13 at 09:27:31 Its cool,, IDK about the others, but I like to see when someone is starting in on a mod. Keep us up on it, Look for T-Bolt clamps
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paw712

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Re: What needs to be done with a muffler swap?
Reply #8 - 04/09/13 at 16:49:25

Could someone clarify what jets I would most likely need? I've read through the re-jetting and HD muffler guides. I'm planning on ordering a pair of HD Dyna mufflers off eBay and wanted to plan which jets I would need to go with it. I've read Serowbot's Stock Carb. Jets list. In case my info doesn't say, it's for a '97. As far as I know everything is stock. So I was planning on ordering a #150 and 152.5 main jet because I don't know what I'll need. I don't know that we'll ever be driving it above an elevation of 1000' (Gotta love the flat midwest). And I wanted to make sure that I need a "Large Round" main jet. I've small round and hex jets listed too. I was planning on ordering Mikuni jets for the main and the eBay seller that I was looking at only has Keihin pilot jets. Are those compatible with the stock Mikuni carb.? I will also probably just buy a #4 nylon washer for the needle jet(?) too.

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Serowbot

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Re: What needs to be done with a muffler swap?
Reply #9 - 04/09/13 at 18:10:58

Anik,... just to start, and to make this easy...
Just get a #152.5 large round Mikuni jet... put it in,.. and see how it runs...
That may be just fine...
If it ain't,.. then consider the spacer mod... and if needed some further jetting...
... but, if you aren't a fiddler... just try the #152.5...
Wink

...

Some of us, are just meticulously anal, about jetting, and want perfection...
...and that's really a bit of a fools errand anyway... Grin

...

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paw712 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 14	Re: What needs to be done with a muffler swap? Reply #10 - 04/09/13 at 18:29:03 No worries about the pilot jet?
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Serowbot

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Re: What needs to be done with a muffler swap?
Reply #11 - 04/09/13 at 18:30:27

Naaa...

EDIT... sorry, that was curt...
If you drill out brass plug over the idle mix screw... you can set it for best idle... if you end up needing to be more than 3 turns out from closed... then, you need a bigger pilot..

.. but,.. put in the main,.. and see how it goes... jetting is best done incrementally.. observe the results of each change and do more if needed...
Especially for someone just learning... Wink

...

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87 savage

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Re: What needs to be done with a muffler swap?
Reply #12 - 04/10/13 at 02:06:14

paw712 wrote on 04/09/13 at 16:49:25:

Could someone clarify what jets I would most likely need? I've read through the re-jetting and HD muffler guides. I'm planning on ordering a pair of HD Dyna mufflers off eBay and wanted to plan which jets I would need to go with it.

Hi Anikun, I just did the dyna muffler swap. Serowbot's Muffler guide was very helpful. I ended up going with a 3-1/2" 10 degree bend adapter pipe my local muffler shop made for me for $15. It just fit alot better with the adapter and I didn,t have to make a crush band. Just curious, why are you shopping for a PAIR of Dyna mufflers?

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011_001.JPG

His: 1987 LS650F stock except for 98 engine, Dyna muffler. Hers: 2008 S40 with factory bags, windshield and sissybar.

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ToesNose Serious Thumper Offline Pardon me, do you have Hot Sauce? Posts: 1993 Mooresville, NC Gender:	Re: What needs to be done with a muffler swap? Reply #13 - 04/10/13 at 06:07:29 paw712 wrote on 04/09/13 at 16:49:25: I'm planning on ordering a pair of HD Dyna mufflers off eBay and wanted to plan which jets I would need to go with it. Make sure they aren't the pair of no baffle ones that have been up on Ebay, unless LOUD is what you are looking for
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paw712 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 14	Re: What needs to be done with a muffler swap? Reply #14 - 04/10/13 at 07:23:07 A pair was the cheapest listing. Then I can have an extra or re-list it. I don't know if it has a baffle or not, but I'll find out. Is the bafffle just part of the opening or is it a component inside the length of the pipe?
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