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Author Topic: K7 750 top speed?  (Read 2874 times)

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Offline Stev-o

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Re: K7 750 top speed?
« Reply #25 on: August 15, 2018, 03:46:26 PM »
I heard a CB350 will do 85 in 2nd gear! Read it on the internet so it must be true...
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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline Erny

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Re: K7 750 top speed?
« Reply #26 on: August 15, 2018, 04:04:13 PM »
Now I have my K7 after carbs sync, wauuu, it idles great! Did not test top speed yet again.
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CB750K K7 USA model (1977)
CB550K1 USA model (1975)

Offline SOHC4 Cafe Racer Fan

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Re: K7 750 top speed?
« Reply #27 on: August 16, 2018, 08:39:29 AM »
Quote from: Stev-o on August 15, 2018, 03:46:26 PM
I heard a CB350 will do 85 in 2nd gear! Read it on the internet so it must be true...

Oh, I had to exercise so much constraint not to say this!
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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 SOHC4 Cafe Racer Fan

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Re: K7 750 top speed?
« Reply #28 on: August 16, 2018, 08:40:35 AM »
Quote from: SOHC4 Cafe Racer Fan on August 14, 2018, 08:49:39 AM
My K7 had an 836 kit, cam and ported head.  I'm not sure what the actual top speed was -- my speedo indicated it got to 115 but I wasn't pushing it to redline.  The engine work markedly-improved acceleration.

I might add that this bike went on Jenny Craig and lost a lot of stock weight.
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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 DickL

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Re: K7 750 top speed?
« Reply #29 on: August 16, 2018, 10:37:28 AM »
Back in the day, after break in,  my new 750 KO would indicate 128. HOWEVER, at first, it would pop out of fifth at about 105. I brought it back to the,dealer and they told me that it would not be a warrantee fix. I told them that since it was under warrantee and under red line that they had to fix it. They did, reluctantly.

DICKL
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1970 CB750
1999 Honda Valkyrie

Offline 68grandprix

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Re: K7 750 top speed?
« Reply #30 on: August 17, 2018, 07:24:45 AM »
When I first got my '75 750k running well(with a Dyna S and 3ohm coils, 4-2-1 exhaust, rejetted carbs), I saw nearly 135mph on the stock speedo. On an Iowa farm road, flat on the tank. I can't remember if I had my fairing on at the time. I always thought the engine was stock internally, but I guess maybe I better open it up and see. Now, around 13 years and 30,000 miles later, I'm lucky if the bike will do 110mph. I beat on it a lot, and it's really tired (also burns and leaks a ton of oil). So it's due for a rebuild anyway. Already got my gasket kit. Just need a few more parts, and motivation. Jim
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