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Author Topic: Exhaust Advice/Direction  (Read 1727 times)

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Offline cbnewbie

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Exhaust Advice/Direction
« on: April 23, 2016, 01:21:19 PM »
Hello!

New to the forum and need some advice. I picked up a '72 CB500 Four from a family friend in good condition for fairly cheap. Bike hasn't been registered since '85 and I'm in the process of fixing her up. I'm in a bit of a dilemma.

I have the original 4 into 4 exhaust to which one pipe is pretty rusted through at the connection point of the pipe/tip. I have another that needs some TLC with a small rust hole in relatively the same spot (both right pipes). The two left pipes are in good condition. I'm considering the following options.

Sell the 4 into 4 to someone more passionate for original parts and buy a 4into1 or more preferably 4into2. The 4into2 I would want flare tips but I cant find anything that I can justify based on how much I purchased it for.

OR

Hang onto the original exhaust and try to find someone to fix them up. Anyone have experiences with this?

I attached some photos for reference. Looking for options for sub $500. Current pipes too far gone? Are they ripe for selling?

Thank you,
-Cam
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Offline SOHC4 Cafe Racer Fan

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Re: Exhaust Advice/Direction
« Reply #1 on: April 23, 2016, 11:25:43 PM »
That pipe is reached. Repops are available but are very pricey. You can buy great aftermarket options that offer great performance, too, in the $500 range. Specifically check out the Hindle 4-2-1 offered by Ripple Rock (take advantage of the exchange rates with Canada) or the MotoGP 4-1 if you can find one.
« Last Edit: April 23, 2016, 11:27:35 PM by CB750 Cafe Racer Fan »
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline cbnewbie

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Re: Exhaust Advice/Direction
« Reply #2 on: April 24, 2016, 11:17:45 AM »
Much appreciated. Gives me some places I haven't looked into. Thanks.
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Offline dragon15130

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Re: Exhaust Advice/Direction
« Reply #3 on: April 24, 2016, 05:02:57 PM »
I got my Yoshimura Header from a salvage place here in Michigan called Slicks Salvage. I believe they have a ebay store also. You can try them. I'm just running the header with nothing else. Boss can here me from my house 4 miles away coming to work lol.
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Offline Retro Rocket

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Re: Exhaust Advice/Direction
« Reply #4 on: April 24, 2016, 05:08:46 PM »
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750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline Stev-o

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Re: Exhaust Advice/Direction
« Reply #5 on: April 24, 2016, 06:59:33 PM »
If your left stock pipes are in good shape [no holes] you can sell them here to offset the cost of the new exhaust, maybe $75-100 each, depending on condition.

And BTW - $525 for a new stainless exhaust is a great price [I recently bought one]

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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline SOHC4 Cafe Racer Fan

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Re: Exhaust Advice/Direction
« Reply #6 on: April 25, 2016, 02:58:11 PM »
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline Retro Rocket

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Re: Exhaust Advice/Direction
« Reply #7 on: April 25, 2016, 03:46:59 PM »
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750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline Stev-o

  • Ain't no
  • Really Old Timer ...
  • *******
  • Posts: 34,454
  • Central Texas
Re: Exhaust Advice/Direction
« Reply #8 on: April 25, 2016, 03:47:56 PM »
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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline cbnewbie

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Re: Exhaust Advice/Direction
« Reply #9 on: April 26, 2016, 06:22:40 PM »
I reached out to Moto GP and Ripple Rock. Just waiting for a response. Greatly appreciated guys. Thank you!
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Offline hsas.69

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Re: Exhaust Advice/Direction
« Reply #10 on: April 26, 2016, 06:42:38 PM »
I'm very happy with my delkevic using their megaphone.  Total price was around 350. https://youtu.be/0J0d2zoxxHo

Sent from my SM-T377R4 using Tapatalk
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78 CB750 F3
78 CB550 K4
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