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PostPosted: Wed Nov 30, 2016 11:50 pm 
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Trail Rider
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Joined: Sat Apr 18, 2015 1:34 am
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Location: Bay Area, CA
ProCycle wrote:
We're running the same jetting with 40F0 or SS1

Well, I had a 40F0 with a custom mid and stock headpipe.
The bike ran a little rich before the gixxer can's mounting tab broke and I decided to put an old stock can on for a few days.
The stock can ran like crap, in comparison, and I ordered an SS1 before I even located the stock can.
Slipped the SS1 on and it's now richer than the gixxer. I can smell it in the exhaust. My dad says it's "stumbling" and I'll have to defer to his greater experience on that one. All I know is that it smells different and isn't as punchy as the gixxer was.
Sound is also way different. Less staccato bark, less rumbling bass, lower volume overall, and much more smooth. If I rev it up, I can reach a tone and volume similar to where the gixxer started.
That said, I'll still mess with the jetting to try and find a sweeter spot for me. Also, I don't think I'll run it with the SA insert (though I may pack it along for dual sport trips in case the rangers get antsy).


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PostPosted: Wed Nov 30, 2016 11:56 pm 
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Adventure Rider
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Perhaps something else is going on with the carburetor. Float orings starting to fail? Choke cable starting to seize up?
Any difference in jetting requirement would be at wide open throttle and high rpm. Even then maybe only one jet size. Not nearly enough to cause stumbling and really not enough to feel although the difference might be seen on back to back dyno runs.

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PostPosted: Mon Dec 05, 2016 7:56 pm 
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MSF Student
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Location: South East Michigan
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Just received my SS1. :woohoo:

Very nice! Yeah it might be a bit heavy, but it feels very very solid. Could run it over with a car.

Great job.

Some questions.

Any thing seal the muffler to the mid pipe? A littler high temp silicone?

Also the end of the midpipe that slips into the header (with new seal) has a bit of a reverse flare on the end. Seems like it might be a bottleneck. Thoughts?

TIA

Larry Miller

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PostPosted: Mon Dec 05, 2016 8:25 pm 
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Millerluck wrote:
Any thing seal the muffler to the mid pipe? A littler high temp silicone?
Nothing is needed. The inner pipe bottoms out and creates a seal that is held tight by the springs.

Quote:
Also the end of the midpipe that slips into the header (with new seal) has a bit of a reverse flare on the end. Seems like it might be a bottleneck.
That's the way they come from the supplier. It certainly wouldn't hurt to open it up a little but leave some taper on it so it's easy to slide into the joint gasket.

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PostPosted: Tue Dec 06, 2016 8:31 am 
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SuperMoto Dude
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Danpw wrote:
You all forgetting the Marving.

You're all also forgetting the Staintune. Easy to get in Oz.

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PostPosted: Wed Oct 11, 2017 8:32 am 
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Adventure Rider
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Location: Central Marylandistan, Maryland
Hey Jeff,

I currently have a DG exhaust installed on my DR650, with a 155 ProCycle jet and opened airbox. My bike runs like a raped ape.

What size Procycle jet do you recommend for your new Maintenance Free Procycle SS1 exhaust?


.

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PostPosted: Wed Oct 11, 2017 9:53 am 
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I was looking for a place to sing the praises of the ProCycle SS1 exhaust. I'm very happy with it.

Sound is almost, but not quite, too loud to my ears. I can't imagine running anything louder.

Much lighter than stock. Very easy to install. Fitment is great.

I highly recommend this exhaust as an upgrade over the stock can.

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2012 DR650: .63 springs Cogent DDC, 7.5 spring Cogent re-valved stock shock, K&N air filter, Airbox top cut, TM40 w/ 9DJY01, #190 cam, 790 kit, SS1 + Power-bomb.


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PostPosted: Wed Oct 11, 2017 9:58 am 
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Adventure Rider
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MJSRacing wrote:
I was looking for a place to sing the praises of the ProCycle SS1 exhaust. I'm very happy with it.

Sound is almost, but not quite, too loud to my ears. I can't imagine running anything louder.

Much lighter than stock. Very easy to install. Fitment is great.

I highly recommend this exhaust as an upgrade over the stock can.


What main jet size are you using?

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Contrary to misguided popular belief; Aftermarket Exhaust and Headlight Modulators DO SAVE LIVES. I'm living proof...

21 years retired Army - Seen EVERYTHING - Done ALMOST Everything... Ooorah!


2012 DR650SE
2015 Honda F6B


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PostPosted: Wed Oct 11, 2017 10:46 am 
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Location: Apex, NC 27539
willtill wrote:

What main jet size are you using?


I have a 790 kit so my jet may be a bit smaller than wild be needed for the stock 650 displacement.

I've tried both 145 and 150 this summer and both seem fine. Since colder weather is going to come (eventually, it was 90F earlier this week!), i'l going to leave the 150 in.

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2012 DR650: .63 springs Cogent DDC, 7.5 spring Cogent re-valved stock shock, K&N air filter, Airbox top cut, TM40 w/ 9DJY01, #190 cam, 790 kit, SS1 + Power-bomb.


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PostPosted: Wed Oct 11, 2017 1:25 pm 
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145-150 sounds about right.

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