New Rebel New Mods - Page 2 - Honda Rebel Forum
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post #11 of 18 Old 07-09-2019, 07:23 AM
 
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Join Date: May 2005
Location: Las VLXas (Vegas, baby!) NV U.S.A.
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Originally Posted by Guba View Post
The technology is out there, just need something good quality.
Re: something made outside of China. Good luck with that endeavor...

"Ride Safe, Chop Safer" Motorcycles are not unsafe. However; they are extremely unforgiving of inattention, incompetence, ignorance, and stupidity.
Dismantling, sawzalling, and rattle canning does not make a bobber.
Those are STEPS toward customizing, not customizing unto itself.
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post #12 of 18 Old 07-14-2019, 10:16 AM Thread Starter
 
Join Date: Jun 2019
Location: Austin, Tx
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Well I hit the 100 mile mark cruising around neighborhoods. Registration showed up last night so I decided to make a highway run. This rebel seems slower than my last one. It has good pickup to about 50 then kind of tapers off. Last rebel didn't taper off until about 65. Cruised between 50 and 60. At speed I'm getting a kind of bucking like a flat spot on a tire, or rim out of round. This bike seems to have more engine vibration at speed than my last one. Probably set the valves later if I have time.

1970 CT90
1986XL600R
2001 KE100
2002 Honda Rebel
I'll buy a Harley someday
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post #13 of 18 Old 07-14-2019, 11:50 AM
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Sounds like the carb may have an obstruction.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
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post #14 of 18 Old 07-14-2019, 06:09 PM Thread Starter
 
Join Date: Jun 2019
Location: Austin, Tx
Posts: 20
No its not power loss. No clutch slippage either. Feels more like lower gearing. In the neighborhood I find myself in 4th gear around 35. It was really buzzing along at 60. Don't know what gears the last bike had either. Last bike 60-65 was the sweet spot.

1970 CT90
1986XL600R
2001 KE100
2002 Honda Rebel
I'll buy a Harley someday
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post #15 of 18 Old 07-14-2019, 11:03 PM
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I wouldn't think lower gearing would cause bucking. Have you checked the chain and sprockets, making sure the rear wheel is aligned? In town, I'm in fifth gear at 35 and above. To me, the Rebel engine is buzzy in almost any gear, but certainly moreso at highest rpms.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #16 of 18 Old 07-21-2019, 08:18 PM Thread Starter
 
Join Date: Jun 2019
Location: Austin, Tx
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New mod today. I know some will be against it, but oh well. I was going to do this on my last Rebel but decided against it. I've heard any different opinions on the outcome of this mod. So I decided to give it a go. Since this isn't exactly a show bike, or museum quality I figured why not.



I acquired a hole saw kit at Lowes today for 75 percent off. This led me to drill around the rearmost baffle of the exhausts. Then I proceeded to wiggle the rearmost tube out of the exhaust. I noticed after the first one it was only tack welded on the sides. That was easy. All those videos Ive seen made it seem difficult. Anyway, this mod only took a total of five minutes tops.


At this point I decided to fire it up and see the damage I had done. Holy molly! It actually sounded good. I wasn't sure if it would sound like a lawnmower or a street bike. To me it sounds like a mix between a stock big bore four wheeler and a stock Harley. Like the youtube guy said," It sounds like a pissed off sewing machine." My take is good rumble at idle, slight rumble on acceleration, sounds like stock when cruising with a bit more volume.



Some people spoke of power loss after doing this, but I didn't experience that. It actually improved the low end, and reduced vibration while cruising.


If anyone is interested I made a how to guide to remove the baffle. It requires a 1 1/2 inch hole saw, something to wiggle the baffle with, and a decent pair of pliers.
Attached Images
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1970 CT90
1986XL600R
2001 KE100
2002 Honda Rebel
I'll buy a Harley someday
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post #17 of 18 Old 07-24-2019, 09:34 PM
 
Join Date: Jul 2019
Location: Northern Virginia/Metro DC
Posts: 140
Wow - - that is pretty neat. Bravo!

Iím not brave enough to chop up my bike like that, though. Maybe someday when itís a lot more tired.

As for power, I was surprised at your comment concerning reports of losing power as a result of this mod. I would have assumed the opposite - - less back pressure=more power.

2016 Rebel 250 - - Black
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post #18 of 18 Old 07-24-2019, 11:08 PM
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Join Date: Aug 2008
Location: Monroe, Louisiana
Posts: 28,045
The folks that tend to loose significant power with muffler mods are those with straight pipes or no baffles. I believe there are three sets of baffles in the stock mufflers. Straight pipes tend to be hard on the valves.

Those with well tuned butt dynos may disagree that there is a loss of power.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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