 fiona's got some new pipes....
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Joined: Jun 2011
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Considering I paid for an oil change 3 weeks ago....I'm pretty proud of this pic.....(I rejetted from stock 120 mains to 130 mains - which is what the almighty jet calculator said to do)   And the finished product (yes, it runs....) New 20" turn-outs  Yay me.
...you're gonna feel a little pressure....
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Re: fiona's got some new pipes....
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Joined: Sep 2007
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They look good. How is she running ? Notice a differance? I know shes got to sound good. 
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Re: fiona's got some new pipes....
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Sounds amazing. Running good. Lost a little low end maybe. But not much.
...you're gonna feel a little pressure....
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Re: fiona's got some new pipes....
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Joined: Jun 2011
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Had some popping too (always did - but more now...) - so, adjusted the pilot screws from 3 turns out down to 2.5 turns out - we'll see. about to go test ride.
...you're gonna feel a little pressure....
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Re: fiona's got some new pipes....
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Joined: Jan 2005
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Should be Riding
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Should be Riding
Joined: Jan 2005
Posts: 12,164 Likes: 1 |
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Re: fiona's got some new pipes....
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Joined: Jun 2011
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so....going 2.5 on the pilot screws was the wrong direction. I just set them back to 3 til I know more....ignorance, it turns out, is not bliss.
reading up in the exhaust forum, there's a pretty convincing thread on disconnecting the throttle position sensor to eliminate most of the poppping.
thoughts?
(I'm hesitant to just disconnect some "necessary" component)
...you're gonna feel a little pressure....
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Re: fiona's got some new pipes....
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Joined: Apr 2007
Posts: 3,063 Likes: 8
Loquacious
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Loquacious
Joined: Apr 2007
Posts: 3,063 Likes: 8 |
Disconnect it. Trust me, it helps. Mine has been disconnected for over 3 years, no problems. Don't forget there are a number of aftermarket carbs for our bikes without a throttle position sensor and they run fine.
You could also try 3.5 turns out but you might also want to switch to 45 pilot jets if you end up going that much.
12 Rocket Roadster
03 Bonneville America
69 BSA Firebird Scrambler
73 Yamaha TX 750
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 Re: fiona's got some new pipes....
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Joined: Jun 2009
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+1 on upping the pilot if you go more than 3 turns out. You may also want to play with adding a shim or two to the needle if you think it feels a little flat when you roll on the throttle. Those pipes sound great! Looks good. 
2005 Speedmaster, Tornado Red, AI removed, Uni Pods, JCW 19" turnouts
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Re: fiona's got some new pipes....
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Joined: Jun 2011
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I think we'll be moving over to exhaust.
...you're gonna feel a little pressure....
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Re: fiona's got some new pipes....
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Tps disconnected. Nary a pop!! Seems like slightly better roll on accel. Idle speed increased a little (more than I want) will have to take that back down. Definitely no intent to reconnect the tps though!
...you're gonna feel a little pressure....
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Re: fiona's got some new pipes....
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Joined: Jul 2011
Posts: 2,212
Oil Expert
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Oil Expert
Joined: Jul 2011
Posts: 2,212 |
did you take the factory air box out? 130 seems low to me if you have everything opened up, mine is running 150's and up a size on the pilots, tons of torque fuel is still decent, no AIS and not a pop to be heard anytime at all.
2007 Speedmaster and miss it!
2013 T-Bird Storm and Luvin it!
Catching a yellow jacket in your shirt at 70 mph can double your vocabulary
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Re: fiona's got some new pipes....
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Joined: Jun 2011
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Everything but the pipes (and now the jets) is stock. 130 is what dinqua/friar jet calculator came up with. Seems to be running well now.
...you're gonna feel a little pressure....
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Re: fiona's got some new pipes....
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Joined: Apr 2007
Posts: 3,063 Likes: 8
Loquacious
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Loquacious
Joined: Apr 2007
Posts: 3,063 Likes: 8 |
I'm running 135 mains, TBS needles, and 42 pilots. My snorkels are removed with the top snorkel mount opened up 1 inch. TORs for exhaust. My plugs have gone from white to a light tan. TPS disconnected and she runs great. One of these days I'm going to try the 45 pilots I have but I'm happy with the way it runs now.
12 Rocket Roadster
03 Bonneville America
69 BSA Firebird Scrambler
73 Yamaha TX 750
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Re: fiona's got some new pipes....
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at some point I will have her dyno'd and see what that tells me. I'd like to really fine tune performance. at this point, frankly, I was excited that she started after I rejetted.... :-P
...you're gonna feel a little pressure....
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