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› Dyna Muffler Installed Today, Now Jets?
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Dyna Muffler Installed Today, Now Jets? (Read 158 times)
Jacob
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2012 Suzuki S40 650
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Ford City, PA
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Dyna Muffler Installed Today, Now Jets?
06/02/12 at 19:47:49
Completely stock bike, just installed the Dyna muffler today. Ran great, no leaks, no backfiring and no after fire. Still have stock air filter and plan to stay that way. I received my jet kit from LANCER today. Should it be jetted? What jets should I start with? I read somewhere to start with 52.5 pilot and 152.5 main and to replacer white washer with the little washers. My stock jets in it now should be 52.5 pilot and 145 main. Also, do I replace the washer with all 3 little ones? Any pointers would be great. I hope to do some jetting in the next few days.
I've read all the progressive guides and everything about jetting, I'm just looking for some people that have a Dyna and stock filter and what they did to make it eun better.
Thanks
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Re: Dyna Muffler Installed Today, Now Jets?
Reply #1 -
06/02/12 at 19:51:22
I'd ride it a bit first and see. Jetting is about more than just testing for backfires, because lean motors = hot motors. Also, keep in mind jetting is going to change fuel economy, but may be needed to keep motor in harmony with the Great Spirit.
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The JOURNEY is the reward!
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vineman
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Oh sweet Ruby how
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Mid MO
Re: Dyna Muffler Installed Today, Now Jets?
Reply #2 -
06/02/12 at 19:53:09
I pretty much did what you just mentioned, 152,5 main with white spacer mod. I actually did 1/2 white spacer and mine ran just fine. Maybe even a bit lean so definitely be tweaking your idle set screw to find that balance needed to have your's running right. No two bikes are alike.
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2007 ls650 s40, Ruby Red, Nighttrain muffler, pod air filter, 155 main, chain conversion, superbrace fork brace, vista cruise cruise control, and a helluva lotta fun
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Jacob
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2012 Suzuki S40 650
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Ford City, PA
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Re: Dyna Muffler Installed Today, Now Jets?
Reply #3 -
06/02/12 at 20:09:00
Very true. It was lean before I installed the muffler so I know it should be jetted. I am going to start with trying the 150 or 152.5 main and leaving the pilot at 52.5. Also, definitely doing the washer mod. I take it just use as many washers it takes to make
half the white one.
I noticed before I changed the muffler when the bike was completely stock and it still does it but the throttle is real sloppy between 1/4 and 1/2. Feels like it cuts out.
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vineman
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Re: Dyna Muffler Installed Today, Now Jets?
Reply #4 -
06/02/12 at 20:19:07
If you use, i believe, #4 nylon washers they each equal about 1/3 the thickness of the white spacer. I couldn't get a hold of the washers so I literally cut my spacer in half long-ways haha
So...you wont really be able to make up half of the spacer with the washers as far as i know.
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2007 ls650 s40, Ruby Red, Nighttrain muffler, pod air filter, 155 main, chain conversion, superbrace fork brace, vista cruise cruise control, and a helluva lotta fun
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mjs3790225
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Re: Dyna Muffler Installed Today, Now Jets?
Reply #5 -
06/02/12 at 22:11:07
Number 4 washers are where its at! I picked up some brass ones at Lowes. They also had stainless steel if you like it like that.
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1996 LS650 - University of Central Florida
Complete: Raptor, Dyna, Carb rejet, Seat cover, Cam Chain, HID lamp, front pulley, plug leak
MPGs please
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Dave
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Re: Dyna Muffler Installed Today, Now Jets?
Reply #6 -
06/03/12 at 03:26:08
You got the Kit from Lancer....and it should have 3 washers in the kit. Use all 3 of those in place of the white washer.
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Routy
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Re: Dyna Muffler Installed Today, Now Jets?
Reply #7 -
06/03/12 at 06:47:54
Quote:
I noticed before I changed the muffler when the bike was completely stock and it still does it but the throttle is real sloppy between 1/4 and 1/2. Feels like it cuts out.
------------------------------------------------------------------------
If 1 knotch on the choke corrects this condidion, the white spacer mod is what to work w/
In my case, 1 notch on the choke ran much better,......and a 1/2 spacer fixed it.
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Rich
'07 S40 Blvd stocker, except drilled OEM exhaust and white spacer mod...1/2 (.055)
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Jacob
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2012 Suzuki S40 650
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Ford City, PA
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Re: Dyna Muffler Installed Today, Now Jets?
Reply #8 -
06/04/12 at 11:31:27
Thanks.. The sloppy throttle response was fixed with the white spacer mod. Now yesterday I installed a Dyna muffler on my completely stock bike. Today I changed out the white spacer with the 3 small washers I got from LANCER. I also changed my main jet to a 152.5 from the stock 145. I kept the pilot at 52.5. I got the mixture screw about 2 1/2 turns out. Runs good, rides good. I only discovered one weird thing. When I am in neutral and a give it throttle about 3/4 and let off, I watch my exhaust end and right when the bike is almost back to idle it lets out very little dark smoke. Only at that time and only very little.
Should I go to a 147.5 or a 150?
I'm at 787 feet altitude.
What do you think?
Thanks
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teabowl13
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Re: Dyna Muffler Installed Today, Now Jets?
Reply #9 -
06/04/12 at 11:39:59
Jacob wrote
on 06/04/12 at 11:31:27:
.... I only discovered one weird thing. When I am in neutral and a give it throttle about 3/4 and let off, I watch my exhaust end and right when the bike is almost back to idle it lets out very little dark smoke. Only at that time and only very little...
Honestly, if that's your only problem with the bike and how it runs, I'd say leave it alone and just don't blip your throttle like that when you're in neutral. That doesn't really sound like it's going to cause a problem under normal riding conditions...
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