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Lollipop baffles
Unread 05-07-2012, 09:47 PM   #1
Kitulu
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Lollipop baffles

Ok, so I finally got the lower baffle out of the pipe last week. First thing I noticed that the pipes were considerably louder. (no shit, right?)

Second thing that I noticed was that I lost a bit of power in the lower RPM band. No dyno or anything, other than SOTP, but it definitely felt more sluggish. The best that I can describe is that the engine seemed to hit it's stride in 3rd gear rather than in 2nd gear like before I took the baffles out. Also, the idle seemed a little rougher, although there was no popping on decel.

Did some research in the interwebs and discovered that removing the baffles probably caused a loss of HP and torque.

I considered buying some Big City Thunder baffles, but they don't make one that fits my pipes, as the diameter at the end of the pipe is 2 1/2". I did not want to go back to the "stock" Hard Krome baffles...then I stumbled across something called a "lollipop" baffle.

Well, I do not own a welder, and I have no idea how to use one in any case...so I improvised. Took a trip down to Lowes and bought some 1 3/4" thumbscrews, lockwashers, and nuts. Installed them into the stock holes for the original baffles. Took all of 10 minutes to install, and for less that $5 in parts I got my HP and torque back, the idle is smoother, and the pipes are still loud!

Pics will be forthcoming in the next day or so.
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Unread 05-07-2012, 09:58 PM   #2
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I used lollipops on the Geeen Hornet. I used I bolts and run a nut all the way up the put a nylon nut on the outside. Good thing is you can adjust the exhaust resteiction by turning the washer or I bolt. There is a good write up that I think McV or Scoot geek posted. I may have posted it in my TCU build.
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Unread 05-10-2012, 11:58 AM   #3
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So is this strictly for back presseure? Does it get rid of the open pipe noises when riding ?

Last edited by capplegate : 05-10-2012 at 12:01 PM.
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Unread 05-10-2012, 12:28 PM   #4
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The noises you get when letting off the gas
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Pictures Up!
Unread 05-10-2012, 01:15 PM   #5
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Pictures Up!

Quote:
Originally Posted by capplegate
The noises you get when letting off the gas



If you mean the popping or backfiring sound you get...no, not really. "Real" baffles might help, a little. The normal causes of the popping/backfiring sound can be an improperly adjusted air-fuel mixture, an exhaust leak at the heads, improperly jetted carb or maladjusted fuel injection computer.

For example, when I bought my bike it had aftermarket pipes (with baffles), but still had the stock air box and stock jets. I had popping on decel, which I halfway fixed when I replaced the exhaust crush gaskets. Apparently, whatever idiot installed the pipes did not tighten down the pipes properly so I had an exhaust leak.

When I put in the Thunder Air Kit, I also rejetted with a Dynojet kit, and adjusted the air/fuel mixture screw. That eliminated all backfiring.

Even when I removed the "stock" baffles, I still did not have any backfiring, but that might be because my pipes are double-walled. the interior pipe that actually bolts to the head is about half the diameter of the outer pipe, which is 2 1/2 inches. Also, the inner pipe only goes half the length of the outer pipe. So, the last half of my pipes is 2 1/2 inch chrome open pipe.

All the lollipops do is restore the back-pressure, HP, and torque that is lost when you run open pipes, without quieting down the pipes.
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Unread 05-10-2012, 01:50 PM   #6
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I will give them a shot they are for my dad's bike the pipes are just like yours
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Unread 05-10-2012, 01:52 PM   #7
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I don't know how to explain it other than noises.. lol It's not a jetting problem.. Just the open pipe sound I guess
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Unread 05-10-2012, 03:54 PM   #8
firefighter212
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If your meaning the jake brake sound then yes but not with the thumb screws.I used large fender washers,got a 3/8 bolt,cut a groove into the head.I then welded washer in the groove in bolt.Find the spot you want them and drill hole in rear of pipe.Here`s the tricky part(if your using a long tail pipe.Mount said baffles into holes,using a long bar(i used a piece of pipe with a tapered punch)to hold into place and tighten.
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Last edited by firefighter212 : 05-10-2012 at 04:01 PM.
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Unread 05-10-2012, 04:14 PM   #9
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Hey that's exactly it! Thanks man

I didn't know how to word it.. lol
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Unread 05-10-2012, 04:19 PM   #10
firefighter212
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I tried to snap a pick but mine are too far in for a pic. but did search and found thread where i got the Ideal.Type in lolliepop baffles and put firefighter212 in person and should pop up.Pic is on first page.
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