RacingJake
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Detman101
Guest
Well, apparently the bike now does 95mph at 7k rpm in 5th gear.
Had a harley guy I met on sunday run around the 495 beltway with me so I could find out. Fun fun fun...
:twisted:
Dm of mD
Had a harley guy I met on sunday run around the 495 beltway with me so I could find out. Fun fun fun...
:twisted:
Dm of mD
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robinjo
Guest
Detman101 said:
Was that the fatest speed he could keep up with? :lol:
dpep
Administrator
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I just noticed this post from a couple of weeks ago. The 850 won't do 140 unless you have made some radical, radical changes to the transmission gearing. Unlike the chain drive bikes which can change sprockets, The shaft drive machines are locked into ther rpm-to-mph ratio. The 850 runs a true 60 mph at 4460 rpm. That is an almost perfect (4500 being perfect) 3 to 4 factor to relate the two. Divide the rpm by three and multiply the result by 4 (and mark off a couple of decimal places) to get your speed. ex: 6000 rpm divided by 3 = 2000; 2000 x 4 = 8000 or 80 miles per hour.
7000 rpm would calc out to a hair under 95 mph. The highest measured speed from any of the magazine roadtests when they were new machines was 124 mph. All of the quarter mile times were in the high twelves.
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Detman101
Guest
robinjo said:
Nah, it was the fastest speed I could go. The fuel bowls are apparently almost totally drained of incoming fuel at that point. There is either a restriction at the in-line fuel filter or the floats need to be raised or something. I know this bike has more to give but at 95 mph it starts to suck the bowls dry, I can hear the carbs sucking when I reach that point. The sound of the pods changes to kinda like when you suck on a straw to get the last bits of soda out of a cup. :?
Dm of mD
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Anonymous
Guest
I was driving up Rt 90 last weekend and decided to see what she could do 8) after a nice speed of 75mph I twisted it, legs back, chin on the gas cap and my *%lls up my $SS I hit 128mph 8O 8O 8) . Then after that I got out of bed and brushed my teeth 
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Anonymous
Guest
Fast enough !
Fast enough !
"When we were young and dumb" Yeah I did it. GS1100EZ. Barely broke in. Long stretch of country road. Roll that throttle back and hang on. Tried that once 20 years later and the engine wanted to but the frame and suspension said forget it. Major speed wobbles !
Fast enough !
"When we were young and dumb" Yeah I did it. GS1100EZ. Barely broke in. Long stretch of country road. Roll that throttle back and hang on. Tried that once 20 years later and the engine wanted to but the frame and suspension said forget it. Major speed wobbles !
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Anonymous
Guest
Had my GS1100 to 220 Km/h just the other day with a little more yet to go (in a closed course situation of course) 8)
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Anonymous
Guest
1981 GSX 1100 ET, 1170 Wiseco big bore, 33mm Mikuni smoothbores, flowed cylinder head, Harris headers with tuned length mid-pipe and Laser tailcan, 167mph, 10.83 1/4 mile, 128bhp at the wheel.
Jonboy 8O
Jonboy 8O
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Anonymous
Guest
no , my 1/4 mile speed was 132mph, 167mph was on road top gear approx. 10000rpm. Would go faster with different gearing.
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bgmart450
Guest
I swear she's got more in her, just need the time and place to do it safely.
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robinjo
Guest
bgmart450 said:
I swear she's got more in her, just need the time and place to do it safely.
I had my 450 up to 105 to 110 but I think the speedo was a big liar :wink: (that was pretty fast when compared to the moped I just came off)
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blo
Guest
My (stock) -81 GS450 will do 100mph with a little persuasion, in 4th gear 8)
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Anonymous
Guest
79 GS550 doesn't want to do much more then 80MPH
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Anonymous
Guest
dpep commented on my top-end estimate by saying that an 850 can only do about 95 MPH, tops. I read a Cycle magazine article in 1982 that said the calculated top end (i.e., red-line in fifth gear) was 147 MPH for the 850GL. The write up in Cycle was one of the main reasons I bought my first GS850GLZ in 1982. It was that article that led to my guess that 7000 RPM in fifth gear was about 140. The 850GL I have now can easily peg the speedometer with plenty of throttle and RPM left. It's hard to believe that there's only another 10 MPH left. Granted, the speedometer is less than exact, but I just can't believe that 95 MPH is the top end. It sure feels faster than that. Of course, like many of the folks who contribute to this forum, I don't plan to take it to the limit again. I still can't believe I went that fast back in 1982. It was a nice day on a long, smooth straight road. You know how that goes...
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Anonymous
Guest
I've recently gotten my GS400E up to 100MPH but she's blowing a ton of smoke now. I'm taking her off the road at the end of the month or when the engine blows, which ever comes first. I'll be moving to Quebec and insuring the 1100 as this will save me 800 bucks a year on insurance. The 400 is going into longterm storage as it needs a new exhaust, a top end rebuild, and a paint job.
Steve
Steve
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Anonymous
Guest
I have had my 81 gs1100e up to 220km/hr and had a little left. I am scared to try it again though as I am getting bad speed wobbles. I replaced the front tire and this has helped as I can now feel the wobble coming on slowly and have a chance to put my ass back into the passenger seat. (which seems to correct the wobble somewhat) With a passenger it is fine though. Head bearing is good, forks etc. (back tire somewhat worn, and rear shocks are shot I think as they show signs of leaking) I just installed some stock carbs because with my old ones no matter what I did to them I could not get the front wheel off of the ground. Have yet to take it out but it does run in the garage alot smoother and the throttle response is way better.
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Evil Hobbit
Guest
Sounds like your rear tire is out of round. I think that the problem will go away when you put a new tire on the backgreghope said:
Chuck