Question about 2007 Hyosung GT650R Sporttouring Comet 650 R

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How to remove baffles

I TOOK ALL OF THE INSIDE'S OUT OF MY PIPES DO i NEED TO REJET IT AND IS IT GOING TWO hurt any thing at all ?

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It is always best to rejet. Worst case it will run lean enough to burn valves

Posted on Apr 13, 2014

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I have 99 f6 with 6-6 pipes if I remove baffles do I have to rejet


If you remove the baffles, you will effectively be running open pipes. This will cause your bike to run lean. So yes, you will need to rejet.

Semper Fi,
Z

Apr 25, 2015 | Motorcycles

1 Answer

Hesitates and backfires


hi the air box and exhaust restrict the air movement through the cyclinders to match the jets in the carbs. i have bikes that you can remove baffles or airbox with no problem, others are so finely tunes that it is impossible to run the bike without the restriction. the easy option would be to get a jet and air filter kit. then if you need to restrict air flow any (hopefully you wont need to) you could very slightly raise the inlet/outlet valve gaps to the maximum amount which will open the valves for a slightly shorter time. you could also restrict the exhaust by using large washers on the exhaust gaskets. similar to those used to restrict a bike.

Mar 07, 2013 | Motorcycles

2 Answers

I have a 2006 road king classic and got samson 2 inch drag pipes slip ons with no baffles will it hurt the motor to run them with out the baffles


No it won't hurt anything as long as your pipes are long enough. If they're way too short, you'll burn your exhaust valves up. As long as the pipes reach at least the front of the rear wheel, you should be fine running it straight piped. It'll make her sound good too. You'll be pleased with the sound change

Jul 09, 2011 | Harley Davidson FLHRCI Road King Classic...

2 Answers

I had V & H pipes on my 2000 FXDL low rider last year. The chrome tip was chipping. V & H sent me a new tip. Is it OK to remove the baffle and run the bike without it?


It will kill the low end tq..you can do it itll be louder .. the air cleaner will allow the same air in ..if you would put on a freeer flowing a/c then jetting changes would be needed...

Apr 13, 2011 | 2000 Harley Davidson FXDL Dyna Low Rider

1 Answer

I installed straight drag pipes on my 2002 super glide. Runs great but second cylinder pops on decel and pops when idles. Also shows some sign of black soot at end of this pipe. Gets 48 mpg plus. there...


This is typical of all Harley's that I know of. rejetting is not going to help. Since the engine is a single carburetor engine, if you rejet to lean the rear cylinder out, you also lean the front cylinder as well. If it's running correctly now, rejetting to lean the rear will cause the front cylinder to become too lean and overheat.

Since you're complaining of "soot" in the rear pipe, I'm assuming that there is no soot in the front pipe. Most Harleys do tend to have a little difference in the mixture between the two cylinders but this sounds like a bit too much difference to me. The reason for the soot is that the rear cylinder is running richer than the front. A reason for that could be a vacuum leak to the front cylinder causing that mixture to be lean and diverting the fuel to the rear cylinder resulting in a rich mixture in that cylinder. Check for vacuum leaks at the intake to heads junction, at the vacuum port off the carb.

Another suggestion is that usually drag pipes have a "flat spot" in their performance at around 55 to 65 mph due to a lack of backpressure, I'd install a bolt in the rear of the pipes. On most drag pipes, there is a hole to bolt the baffles into the end of the pipe with. Take a 1/4" X 1 1/4" stainless steel bolt and insert it into the hole. Up inside the pipe, put three stainless steel nuts on the bolt. Do this to each pipe. It does not effect the sound of the pipes but does provide just enough backpressure to almost completely eliminate the flat spot.

Good Luck
Steve

Oct 13, 2010 | 2001 Harley Davidson FXD Dyna Super Glide

2 Answers

Want to rejet my carb on '07 vt750C2 spirit. Have


to start with you need to purchase a jet kit. it will come with instructions. the stock needle is non adjustable. also you need bigger jets.

Jun 02, 2010 | 2007 Honda VT 750 Shadow

1 Answer

I want to remove baffle from EN 500


Typicaly on bikes without a baffle that is removable by unbolting it you will have to use a hole saw that just fits inside the outer pipe and also on that is just larger than the small inner pipe. Start with the small one and then the big one. Thie will be cutting a ring out of it and allow you to twist and wiggle the inner pipe loose of it's tack welds to the second baffle further in. Doing just the outer one will produce enough noise for you and you may have to rejet your bike!

Aug 13, 2009 | 2005 kawasaki EN 500 Vulcan

1 Answer

Removing baffles in my1300 vtx c honda ?


it is not hard to do but it would be best to get the drag pipes. there are a host of problems to think of though. you will need to rejet the carbs to accomodate the free up in back pressure. you will need the tourque slipins for the pipes. they will fit right into the pipes where they connect at the heads. the 1300 is going to be super loud without the baffels. like getting stopped by the law loud. it would be best to get a tuned drag setup from a dealer as to get the sound you are looking for as well as keep it below jonnie laws radar.

Jul 31, 2009 | 2004 Honda VTX 1300

1 Answer

Pipes cleaning


From what I can find online it seems to be performance pipes so I'd say boost. (Of course leaving the stock baffles in.) Stock VTX1300R is rated at 75 HP so you're probably looking at about 80-85 HP depending on how generously you rejet. If you've gotta pass emissions and don't wanna rejet before each time I'd say about 78-80 if you go full race to heck with fuel efficiency I want power you could probably pull 85 with the stock carb. Wrider,,,

Nov 10, 2008 | 2003 HM Motard 450 F

1 Answer

Exhust


just make sure you rejet the carb all bikes come from the factory on the lean side to meet epa standards etc. if you dont rejet you'll actually lose some power and have nasty backfires as well take the time to put a jet kit in i personally recommend dynojet easy to install and comes with suggestions for your application

Jul 21, 2008 | Harley Davidson Harley-Davidson Motorcycle...

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