Topic: breaking 100 mph

[BobbyR]

Does anyone knows how what's the CB 750 time on a 0 to 60 ? It seems that we all agree that it can reach 110 mph but how much time it takes to reach that ?

I have done 0-60 in about 5 -5 1/2 seconds.

[evinrude7]

didn't mean to open a can of worms here.  never planned on doing this while there is traffic on the road. 

Find a road like this and you probably won't even feel guilty about your irresponsible behavior -

i would do the ton tomorrow on a road like that.  nashville roads are crap. 

[BomberMann650]

Isn’t tail of the dragon somewhere tennesee?
Wouldn’t need a ton up patch if you can brag about riding the dragon!

[Stev-o]

Isn’t tail of the dragon somewhere tennesee?

Yes, on the border of TN/NC.   

[evinrude7]

Isn’t tail of the dragon somewhere tennesee?
Wouldn’t need a ton up patch if you can brag about riding the dragon!

it's in east tn.  bragging no.  personal satisfaction yes. 

[PeWe]

didn't mean to open a can of worms here.  never planned on doing this while there is traffic on the road. 

Find a road like this and you probably won't even feel guilty about your irresponsible behavior -

i would do the ton tomorrow on a road like that.  nashville roads are crap. 

I did the ton with a car north of Nashville 3 months ago, road was OK a little bit too straight for a bike. Had to try the car and kicked down, shortly after the speedo showed 110 something.  Road between Nashville and Bowling Green. A CB need more curves.

[Bailgang]

Isn’t tail of the dragon somewhere tennesee?
Wouldn’t need a ton up patch if you can brag about riding the dragon!

I've done the ton a few times and rode the dragon ...... not at the same time of course. The dragon is definitely not the kind of road you should be showing off on or trying to impress anyone with. If you stay well withing your riding abilities which in my case is nice and easy then you'll be fine on the dragon. My avatar pic is my wife and I on the dragon with my 750 few years back.

[przjohn]

We go to The Dragon every year in May for The Annual 2 Stroke Meet, definitely not a 100 MPH road, or even a 100 MPH area. We ride The Dragon itself maybe once or twice now on our trips, the place has gotten very touristy. You can work the road into a few loops but for the most part it is a "Ride to the Overlook and Back" ride.

There are tons of other great roads in the area that are far less busy and can be formed into loops for excellent day trips. Lots of maps and info on the internet on them. We take the maps and enter them into Garmin Base Camp and then download onto our Garmin GPS Devises. We can put on 300 mile days through the mountains very efficiently this way. We also make sure to plan in our favorite part of the day too, Lunch 

[Bailgang]

There are tons of other great roads in the area that are far less busy and can be formed into loops for excellent day trips. Lots of maps and info on the internet on them. We take the maps and enter them into Garmin Base Camp and then download onto our Garmin GPS Devises. We can put on 300 mile days through the mountains very efficiently this way. We also make sure to plan in our favorite part of the day too, Lunch 

+1 to that, the 3 times we've been down there we put well over 1k miles on the bikes each trip and still have yet to ride all the roads. I just have to figure out how to use the Garmin Base Camp program.

[evinrude7]

didn't mean to open a can of worms here.  never planned on doing this while there is traffic on the road. 

Find a road like this and you probably won't even feel guilty about your irresponsible behavior -

i would do the ton tomorrow on a road like that.  nashville roads are crap. 

I did the ton with a car north of Nashville 3 months ago, road was OK a little bit too straight for a bike. Had to try the car and kicked down, shortly after the speedo showed 110 something.  Road between Nashville and Bowling Green. A CB need more curves.

65 north of town is probably the best road around as far as condition.  i swear these mid south folk can't seam two pieces of pavement together worth a damn.  also they do road construction during the day.  every place else i've lived they work at night.   

[PeWe]

Have you done 100 mph yet?

Back in early 80's when my K6 was stock I rather often could not stop at my highway exit late evenings/nights since the cooler air was really good for better power which I felt, bike wanted to run! Speedo slowly closing 190kmh.

Today, +30kg rider more but compensated with more cc, bike accelerate very stable passing 190kmh it can hold with ease. No wobble or other issues. It's more about the focus on the road, bumps, animals and other people on the road that make me to reduce.

Curves are thrown into my face way too quick in that speed too!

I can not see any use of a modern bike making 250-300kmh on a normal road.

Most fun on a SOHC CB750 is between 70-150kmh with occasional accelerations to 190kmh for a km or 2

[Deltarider]

It's all about contrast. On boring Autobahns I maintained 140 km/h (90 miles) for hours. On curvy mountain roads, 60 km/h (40 miles) is much more exciting.

[MauiK3]

The desert highway photo
US 95 north of Winnemucca Nevada? Seems familiar.

[Don R]

 I took the sandcast to to 95 a couple years ago, thought about how dumb that was and maybe bluing the then new 4-4's and slowed my ass down. I was on a downhill road with no intersections and a clear view of the fields on both sides and straight ahead.   

[Spanner 1]

The traffic on I-24 coming into Nashville travels at 80- 85mph. If your not doing that speed you will get rear ended ! There are long, lonely stretches of I-840 here that a quick blip from the  80 your already doing would be no problem IMHO.

[ekpent]

Never really push the old 750's that hard but have to be careful on my big Suzuki's. My 1200 Bandit can push around a hundred in third pretty quick if I wind her up,4th for sure.

[HondaMan]

Speed limit in western Wyoming is 85 MPH, and riding at that speed can get you run over in the summer...from behind.
But, Colorado's roads are the worst in the American West, in sharp contrast just one State away. Here, they don't think a 100-foot long, 8"-wide, 6" deep gap in the pavement is anything to worry about repairing (there are many of these around here, been there for years now), but it will take you down if you don't know it is there(!).

This said: I only rode 100+ twice on My 750K1, because it was too hard to hang on sitting up, and [in those days] I could not lay down on the tank and solidly hold the bars at the same time. The Vetter totally changed that: 100 was a happy afternoon's ride on my K2 when I knew no gendarmes lurked. Now that it makes more power than it used to, I have hit the ton a number of times by accident during on-ramp events in suburban traffic around here, to avoid being run over - from behind. This was one of the primary reasons I rebuild my trusty steed in 2013, as I got caught off-guard several times in 2012 by a##holes from behind me ripping around me (much too close) in things like Subaru WRXes or HiPo Mustangs, deciding they wanted to rip around me on these on ramps. Both nearly ran me off the road as I was casually reaching 80 MPH to merge, so it became time to change my MO.

The 750K1-K6 has a tendency to speed wobble when slowing down if your chain and sprockets are not in tip-top condition and the swingarm and steering head (and wheel axles) have solid, tight bearings in them. Actually, this is true of many bikes, but I know this one best...so, make it tip-top and then it will be without surprises.

I don't recommend it, though, unless you AND your bike are well practiced at it and certainly not where wildlife or Statees abound. Both can become painful & expensive! And, it requires familiarity with the pavement, above all, before you attempt it, ESPECIALLY if you live in Colorado...

[MauiK3]

 Back in the day, shortly after I got my K0 750 new, I took my mom for a ride on a little used road in the Jacksonville Florida area. My mom was a pretty game redhead that liked a little fun. I took it up to an indicated 115 albeit leisurely. She loved it. My dad wasn’t pleased.
I had that bike to an indicated 125 which I’m sure wasn’t 125 but it was fun. I would no more do that now than fly. Somehow I just don’t want to risk messing the bike or myself up even though I know the bike could do it. I may blip it up someday with my wife on the back just for the experience but there aren’t many places to do that here on Maui.

[evinrude7]

Have you done 100 mph yet?

Back in early 80's when my K6 was stock I rather often could not stop at my highway exit late evenings/nights since the cooler air was really good for better power which I felt, bike wanted to run! Speedo slowly closing 190kmh.

Today, +30kg rider more but compensated with more cc, bike accelerate very stable passing 190kmh it can hold with ease. No wobble or other issues. It's more about the focus on the road, bumps, animals and other people on the road that make me to reduce.

Curves are thrown into my face way too quick in that speed too!

I can not see any use of a modern bike making 250-300kmh on a normal road.

Most fun on a SOHC CB750 is between 70-150kmh with occasional accelerations to 190kmh for a km or 2

Actually not yet Per. Found curves to be more fun than straightaways. I guess I'm in my fourth year might be fifth of regular riding now. Have hit low 90s on the freeway once in a while.

Sent from my moto g(7) using Tapatalk

[Doobie]

The problems of high-speed motorcycling... 1975 vid explains "weave" and "wobble" (bonus: CB750F at 4:20-ish)

[MauiK3]

Very good video
I've never had much trouble with high speed wobble and I'm 5' 6" and have weighed about 145 lbs for many years. I wonder why. I've been up at high speeds.
The video makes it seem a certainty that this will happen but I'm not sure it's as certain as they say, how about others here? Does it always happen to you?

[evinrude7]

Haven't had it yet Maui. 5'10" 175.

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[PeWe]

The steering damper kit sold back in the days helps to get it stable, especially when having luggage and passenger. Yamiya had that in stock not long ago, probably today too.

On Autobahn I held +100 mph most of the time with passenger and luggage. 836cc and probably closer to 80whp.
 
No wobble at all. From north to south Germany around 1200km. + thru Austria, Italy or Spain another year.

 Same distance back.  French highways even easier to ride fast. I had to stop more frequent to refuel when riding 160-180, sometimes more
I remember a slightly downhill from Austria to Italy when I had to pass a Jaguar XJS.
Speedo showed 210kmh, long nice curve and I start to think if I really tightened the nuts holding the front wheel good enough. that was really max. The driver in that XJS looked worried since we were side by side for a while.

 This with 2 guys and lots of luggage. The frame had nice swinging, bending without wobble.

Not much to brake with....

Tapered roller bearings at front, needle bearings in swingarm and good shocks have been parts of the stability, not only the steering damper which was a must have.

So 100mph is nothing for a stock CB750. I had tried 110mph on my stock K2 just to try the jets last year.

[72 yellow]

Track day only.  I did the ton once back in the 70's on a freeway in Detroit.  Ran through a state police radar trap.  The thought of me in jail and the bike hanging by a chain at the back of a wrecker kept me going.  I got off and on to the service drive and watched him speed by.  Never again.

[my name is nobody]

I always remember that, no matter fast/good you are, someday, for whatever reason, you WILL go down. It's as
certain as dying.  And the highsiders hurt more. ..Don't let speed mesmerize you too much.