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Author Topic: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.  (Read 67776 times)

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Offline SteveD CB500F

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #50 on: August 31, 2007, 10:00:44 am »

I think he meant nicked as in ticketed... And banned as in you lose your license?


UK vernacular nicked = ticketed
UK law - if you are doing over 100mph it generally results in a one year ban and up to £1000 fine. This also applies if doing over twice the limit (eg >60 in a 30). These are guidelines to the magistrates so penalties can vary.
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Offline mattcb350f

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #51 on: August 31, 2007, 06:36:54 pm »
My Honda's not ready for high speed yet. maybe next summer I'll take her to the local strip.
However, I did get my little 81' XL80S up to 94 Kph once! and I'm 200lbs
fastest ever on bike would have to be 86 MPH on an 87' Husqvarna 400 enduro on knobbies. RPM unknown. quite scary actually and I won't do it again.
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Offline Steve F

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #52 on: August 31, 2007, 06:58:04 pm »
Honda CB400F 115mph@8.5k

How?  Smaller rear sprocket?  Engine mods?

Lots of work..... and it will go faster.. ;D ;)
That bike is SOOOOOOOOOO f'in sweet!  I take it you got her running by now????  Let's go riding!!!!!!

Offline m00ntan

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #53 on: August 31, 2007, 09:32:20 pm »
29 years ago I had a CB550K2 that I took to 106mph.  It is an event that sticks in my memory.  It was momemtus at the time.  I had no sense of mortality, no mortgage, no tuition, no dependents, no 401K.  It was a different world.  Sold the bike because of speeding tickets for other rides.  Got married, got kids, got career. got mortgage, got grave plots.  29 years later, got two bikes.  Maybe I'll try it again.
« Last Edit: August 31, 2007, 09:40:27 pm by m00ntan »
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Offline dustyc

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #54 on: September 01, 2007, 12:35:15 am »
87 on my '71 500.  A friend asked me what I was thinking.  I said "I was thinking if only the road went a little further before that stop sign I could hit 90". 

I'll hit 100, and then I don't see the need to do that to the old girl anymore. 

Not sure of the RPM.  I'll make sure to check when I do the ton run.
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Offline Terry in Australia

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #55 on: September 01, 2007, 03:15:10 am »
Well, as a GHOF, I've only had mine up to 75 mph. Seemed fine, but I didn't see any need to unnecessarily abuse an antique, or the bike for that matter. ;D

Ha ha, I got it Bob, very droll! ;D

145 Mph on my 26 year old Suzuki GS1000S, and 125 MPH on my CB750K1, both this year.

70 MPH on a windy road is NO WAY as much fun as 140 in a straight line Steve, ha ha! Cheers, "Red Mist" Terry. ;D
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Offline loonymoon

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #56 on: September 01, 2007, 04:52:05 am »
I think I've got about 85mph (indicated) at 8500rpm on the 73 Cb350F. The wind blast was quite unpleasant though!

On my Scooter (don't laugh) I've seen an indicated 93mph (probably really about 85mph). The scooter is a 2002 Aprilia Leonardo 250. That's about as fast as I've ever gone (about full throttle on both) I don't do it very often, though I admit I get close more often on the Aprilia than on the Honda....   :-[

Offline loonymoon

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #57 on: September 01, 2007, 04:52:56 am »
145 Mph on my 26 year old Suzuki GS1000S, and 125 MPH on my CB750K1, both this year.

That of course was in the Northern Territory wasn't it Terry!

Offline Terry in Australia

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #58 on: September 01, 2007, 05:17:47 pm »
145 Mph on my 26 year old Suzuki GS1000S, and 125 MPH on my CB750K1, both this year.

That of course was in the Northern Territory wasn't it Terry!

G'Day Loony, actually, it was only about 20 miles from my place in Melbourne, but if the cops ask you, yeah that's right, it was up north on the Stuart Highway between Katherine and Tea Tree, ha ha!

Hey I restored a CB350F 10 years back, and saw an indicated 100 MPH on that bike, it was brilliant, but way too small for my 6'4" and 20 stone, the acceleration was a bit slow too, I finally gave it away when I was getting hosed at the lights by Toyota Camry's, ha ha! Cheers, Terry.
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Offline BobbyR

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #59 on: September 01, 2007, 07:48:17 pm »
Seeing as I replaced my squeeky chain and found myself on a road with no cross streets that runs along a lake. My first pass was a 55mph to look for cops, my second pass was 90mph. The third pass was I dunno, I was scared sh1t but I saw the needle coming down past 100 when I let off. I had to do it, I did it, and as the Raven said nevermore.   
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Offline 754

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #60 on: October 08, 2007, 08:52:17 pm »
Over 100mph on ice..

85 mph on gravel road...

around 125 or + on pavement...
(115 in 4th once with a stock motor)

around 45-50 on a 1/4 mile dirt track with sidehack platform.

all above were were CB 750,s
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Offline heffay

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #61 on: October 09, 2007, 06:57:46 am »
anyone else disappointed every time this thread pops up to check out the poll... only to find out its not a poll   :'( :'(

i tried to modify it back when i was a moderator but, once a thread is made with or w/out the poll it is set.   :-\
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Offline my78k

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #62 on: October 09, 2007, 07:07:42 am »
Couldn't it just be moved or do you mean you wanted to see a poll showing some ranges of speed? something like 55-75, 75-95, 95-115 and greater than 115?

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Offline Fuzzball

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #63 on: October 09, 2007, 07:29:12 am »
Sorry---didn't know how to set up a real poll when I started the thread, but I thought it was in essence a poll-like topic so I put it here. It could be moved if it's a problem...

Anyway, I like all the anecdotes, but it would be interesting to run some numbers too....somebody with more experience care to set something up?
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Offline Fuzzball

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #64 on: October 09, 2007, 07:32:38 am »
Very  8) !
My thanks to whoever did that!
 :) :)
« Last Edit: October 09, 2007, 07:39:16 am by Fuzzball »
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Offline heffay

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #65 on: October 11, 2007, 08:16:45 am »
Very  8) !
My thanks to whoever did that!
 :) :)

exactly what i was hoping for... thanks!

by the way... who are the crazy pants that cranked an SOHC4 up over 126mph?
Today: '73 cb350f, '96 Ducati 900 Supersport
Past Rides: '72 tc125, '94 cbr600f2, '76 rd400, '89 ex500, '93 KTM-125exc, '92 zx7r, '93 Banshee, '83 ATC250R, 77/75 cb400f

Offline Leino

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #66 on: October 11, 2007, 08:23:49 am »
I've ridden my 836cc K2 as fast as she would go several times.  ;D
I think about 125 was realistic with the gearing I had back then.
My bike handles ok with the newer forks and 17" wheels, no problems what so ever in that speed.
Could have gone faster... well, maybe next summer!  ;)

Offline Terry in Australia

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #67 on: October 11, 2007, 05:09:27 pm »

by the way... who are the crazy pants that cranked an SOHC4 up over 126mph?

Hondaman sent me a magnificent set of RC Engineering 836cc pistons and cylinder block and a set of RC rods last week, and I've torn down a K6 engine that I'll rebuild this weekend, with the 836 pistons and block, Mike Rieck head, Megacycle 125/75 cam, Tsubaki cam chain, and M3 Racing cam chain tensioner. So last Saturday, I took my K1 for it's last ride with the current engine. (out of my K2)

This engine was rebuilt many years ago and then not used until I bought the bike from a wrecker I knew, who'd gotten it from a guy who'd dragged it out of his barn after it sat for well over 20 years. I tore the top end down to find 4 brand new shiny 2nd oversize Honda pistons, rebore, new cam, cam towers, machined head etc, and I replaced the cam chain with a new H/D item and a set of RC head studs, then just put it back together.

So it's really stock, except for the new Keihin CR29mm carbs, Dyna S ignition and Dyna 3 Ohm coils, and a tuned length 4 into 2 race pipe. Last time I rode it in March I got it up to 125+ Mph on a quiet country road not far from where I live, so I took it back there last Saturday hoping for a little more with the CR's, and although they need some adjusting, (too rich at the moment, but I'll wait to see what they're like on the new engine) at full wail in 4th gear it was showing 120 MPH @ (about) 10,000 RPM, then I flicked it into 5th and saw the needle hover between 125 and 130 before it lost a little momentum as I started to go up a hill. The bike felt more stable this time too, with the upgraded forks and fork brace since it's last run, last time I could feel it wanting to go into a "speed wobble", but this time it was (almost) rock steady. I won an auction on EBay for Dan Fisher's alloy steering damper and when that arrives, it might inspire more confidance for another, faster, run, ha ha! Cheers, Terry. ;D
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Offline Hockers Choppers

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #68 on: October 11, 2007, 06:50:58 pm »
Had my 78 f3 to 130 easy with the cr29's. with the stock carbs it might do it if you had the space. 130mph was about 9500rpms with the 17/48 530 chain sprockets. F's are geared lower on the primary also. I bought a 18T front but never put it on. Have a guy comeing to get the #$%* this weekend! My VTX will hit 117 in 4th gear at the rev limiter! still have 5th! 130 has been seen. These two bikes would make one hell of a drag race. Maybe the new owner will race me!! 8)
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Offline ekim98

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #69 on: November 18, 2007, 02:25:59 pm »
On my cb750k only 95 + so far but I just got my new front tire and changed plugs, so maybe a little more the next time. Need to find a better road tho.  :(
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Offline HondaMan

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #70 on: November 18, 2007, 08:59:18 pm »
Street: with my (present) CB750K2 in 1973: 132 MPH in Michigan, just 2 days after they opened the brand-new Interstate (I-90, I think?), racing my brother in his 1972 Mach I Mustang (which would do a little over 160   :o  ). He got pissed when I passed him in 4th at 125, because he heard me upshift to 5th right next to him, so he stomped on it to outrun me. I upshifted at 10K flat from 4th gear, went to 9200 in 5th, 132 MPH indicated when topped out. Absolutely flat, smooth, brand-new pavement, 80 degree day, no cops! I still remember that day (so does my brother!).

CB750K1 (my first 750) on the RR track: 140.0 MPH, clocked on front straight of track at St. Louis (track's name escapes me, now), circa 1971. Not quite stock, kinda "Yosh'ed up" engine. I don't remember that tach reading, but it was likely in the red on a 14,000 RPM tach, about 12,000 or so. Gearing was probably 17/48 or 17/50, my usual track gearing.
« Last Edit: December 01, 2007, 10:22:33 am by HondaMan »
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Offline Fuzzball

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #71 on: November 20, 2007, 08:13:55 pm »
Good yarn.
I remember as a young boy, the Mustang Mach I was the god of cool cars.
There was a yellow one in my neighborhood.
I think I got my first woodie over it.  ::) :-[
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Offline HondaMan

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #72 on: November 20, 2007, 08:41:55 pm »
Good yarn.
I remember as a young boy, the Mustang Mach I was the god of cool cars.
There was a yellow one in my neighborhood.
I think I got my first woodie over it.  ::) :-[

Both my brothers bought 1972 Mach I Mustangs in 1972 (the Car of the Decade, said Motor magazine, fantastic cars!). My "middle" brother bought the 351CJ with 4-bbl, single exhaust, while my "little" brother bought the 351 "Cleveland" 2-bbl, ram air, dual exhausts. the pollution rules at the time would not allow the sale of the ram air with 4-bbl and dual exhausts, but the CJ one got all that by about 1 month afterward. Both engines were the "Cleveland" type, but distinctly different performers: my "middle" bother's, with 3.25 gearing and a 1600 RPM stall-speed torque convertor, was a real street racer's dream. The "little" brother's car wasn't so quick off the line, but had more top end than any highway, until he took it to Nevada to find out: it went over 165 on the "no speed limit" 4-lane out there. The other one topped out at about 128 or so, right with my 750.

In 1997, the "little" brother had his completely restored from the ground up in L.A. where he lives. A week later, it was stolen. Many years later, the police broke a chop operation near his apartment, which was doing just exactly what happened to him: rebuilds, copy the key, steal the new car. The "middle" brother still has his, living in Las Vegas, but after he had it repainted, he parked it in his garage (12 years ago), and now it's garage art that won't run. I keep trying to talk him out of it.....he just points to my '67 fastback and asks why I don't have it painted yet....
The demons are repulsed when a man does good. Use that.
Blood is thicker than water, but motor oil is thicker yet...so, don't mess with my SOHC4, or I might have to hurt you.
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Offline Pinhead

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #73 on: November 20, 2007, 09:44:41 pm »
I found an open stretch of highway today before it started getting cold (and had to go to work) today. Perfectly flat, no traffic, no wind, could see for miles. 115mph indicated at 8,000rpm in 5th. It could've gone a bit faster but it was slowly accelerating and I didn't want to hold it at that high of RPM for too long. Stock everything on my '79 CB650 except for the 17 tooth front sprocket; ~40,000 miles on the clock. I should've folded my mirrors back but wasn't really planning on topping out 'til I got around 90mph (then just kept on going). I was squatted pretty much as low as I could go and still be able to see.
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Offline Terry in Australia

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Re: Fastest you've ridden your bike. MPH and RPM. Year and model of bike.
« Reply #74 on: December 01, 2007, 04:54:15 am »
I'm still playing with the needle position in my 29mm CR carbs, but I hit an indicated 120 Mph in third gear today on my K1 with the 836cc engine. (see earlier post for specs) My tach only reads to 11000 RPM, but I was well past that in second before changing up, the needle was closer to the "ND" sign than the 11000 RPM mark, but it was only momentary, and I can't remember if I looked at how many RPM's it was pulling in third when I saw 120 Mph.

I'm surprised that the speedo is fairly accurate, there's a radar speed indicator not far from where I "gave it the berries" and my speedo was pretty close to "spot on" at an indicated 60 Mph/100 Kph. The gearing I'm using is 17/42, but with the smaller diameter 16inch back wheel, it pulls around 4500 RPM at 60 Mph in 5th. Cheers, Terry. ;D 
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

 

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