[bhowman1980]

Well I know its only a 500 but it was fun taking the EX down the track... And here are the results:
First run: Reaction---.3120
60ft-------2.1850 <---- Wheelie off the line
300ft------5.7149
1/8 et-----8.6959
1/8 MPH---81.83
1000ft-----11.2569
1/4 et------13.5299
1/4 MPH----100.24

Second run: Reaction---.1950
60ft-------2.0498
300ft------5.4790
1/8 et-----7.8838
1/8 MPH---82.71
1000ft-----10.9771
1/4 et------13.2399 <--- Best ET of the night, and I smoked a Suzuki GS500e
1/4 MPH----100.69

Third run: Reaction---.3029
60ft-------2.0220
300ft------5.5149
1/8 et-----8.4701
1/8 MPH---82.59
1000ft-----11.0219
1/4 et------13.2880
1/4 MPH----100.47

I say not bad for a ex with a pipe and a 15 tooth up front! I had to try it once just to see!

 

[MrSciTrek]

Thanks for posting that up.
Is the 15 tooth gear the stock size?
Did they have any temp/alt/humidity info to calculate corrected speeds/ETs?

 

[jlmay]

nice reaction time on the second run.

edit 16 front is stock, -1 in the front adds faster acceleration

 

[derf]

I read that cycleworld did the 1/4 on an ex in like 12.6

I'm wondering what they did that took 1/2 second off your time

 

[bhd1223]

Perhaps they rode the bike faster?...haha. I'm sure that the 12.8 they do is ideal conditions at sea level with a light rider and with a perfect launch and perfect shifting.

 

[dragknee]

the times you get in the magazines are usually CORRECTED times. they account for less than ideal conditions. better launching and shifting probably have something to do with it as well.

were you running a pro tree or heads up?

 

[Lucky#13]

them using professional rides make a big difference too .

 

[bhowman1980]

The drag strip is in West Salem, Ohio called Dragway 42 and I believe it was just a standard heads up tree... I don't think those times are corrected for elevation plus I weigh about 185 lbs. I was told by an old timer at the track that the last 100 feet slope up just a little, but I don't know this to be fact or old racer tales! I was dark out and approx 65 degrees Fahrenheit and a slight head wind 2mph perhaps. Even so the track was sticky and the front did not want to stay down! I may need to adjust the carb a little better or shift better to lower my time any more, but lets face it the EX-500 is not going to get much faster... At least not without major motor modifications. It was fun even though I'm no pro for sure!! If any one else has run there ex down the track I would love to see the time slips to compare.

 

[Jsvob03]

Dragway 42 does in fact slpe up. its not very much..but it does. I ran there a couple times last year with my car.

I'm not tring to be an ass, but the 60' times seem kind of low. (no, i couldnt do better!! i'd flip the bike im sure). do we know the stock 60'? its like comparing apples to watermelons, but my car did a 2.23, i would think a bike (of any sory really) would break into 1's..

 

[bhowman1980]

Dragway 42 does in fact slpe up. its not very much..but it does. I ran there a couple times last year with my car.

I'm not tring to be an a$$, but the 60' times seem kind of low. (no, i couldnt do better!! i'd flip the bike im sure). do we know the stock 60'? its like comparing apples to watermelons, but my car did a 2.23, i would think a bike (of any sory really) would break into 1's..

Well maybe with a better rider you could get into the 1's in the 60 ft... I was having a hell of a time keeping the front down... Every launch the fount tire came up but the first run I nearly pooped myself when the bike went up! I never got to the track in stock trim so I have no comparison but considering I out launched a 600 twice I was happy. Feel free to post up some of your personal times to show comparison if you wish.

 

[fog]

I never Drag Raced , But I made plenty of Race Starts in my 15 year Race career.
I used this technique: Hold 10,000 rpm clutch in. Ease out the clutch and slip it to just hold front wheel 2" off ground. as soon as clutch is all the way out bang a clutchless up shift.
Worked for me for 5 years.

FOG

 

[drsokol]

wow i need to go a tooth down in front, those are fast times, this is what i did my first time at the track and first time racing my bike with stock gearing

First run: Reaction---.2600
60ft-------2.2260
330ft------5.9538
1/8 et-----9.0231
1/8 MPH---79.21
1000ft-----11.6980
1/4 et------14.0361
1/4 MPH----95.73

Second run: Reaction---.1460
60ft-------2.0160
330ft------5.6910
1/8 et-----8.7968
1/8 MPH---78.81
1000ft-----11.4869
1/4 et------13.8400
1/4 MPH----94.92

Third run: Reaction---.0149
60ft-------2.1789
330ft------5.7991
1/8 et-----8.8411
1/8 MPH---79.23
1000ft-----11.5109
1/4 et------13.8321
1/4 MPH----96.76


fourth run: Reaction---.2601
60ft-------2.1159
330ft------5.803
1/8 et-----8.8498
1/8 MPH---80.07
1000ft-----11.5070
1/4 et------13.7889
1/4 MPH----98.04


fifth run: Reaction---..3401
60ft-------2.0358
330ft------5.6707
1/8 et-----8.7018
1/8 MPH---79.78
1000ft-----11.3638
1/4 et------13.6459
1/4 MPH----98.05

 

[bitzz]

As long as you're havin' fun.

You NEED to work on the 60' time.
You should aim for about 1.6 sec and a high 12.

 

[drsokol]

stock gearing a pro driver could do a 12.98 and i was having bad launches cause i was feeling like i was slippin the clutch enough but just about every time id be riding a 2 foot wheelie off the line

 

[Guest]

While I was building my dragbike, and then while I repaired it, I ran my '88 dozens of times. I don't have any time slips in front of me, I'll have to look them up, but I do know I was putting down 1.8 second 60' times. My reaction time generally had a 0 in it, launching off the second yellow on a half- second tree. I turned in 14.2 rather consistently, at 95.something mph. Makes me wonder what is different. I have the smallest front sprocket I could buy, a modified airbox, stiffer clutch springs, and was running Turbo Blue 105 octane gas (before I learned better) This was at Wisconsin International Raceway, in Kaukauna, WI. It sure ain't no screamin' deamon, but I'd say that 14 seconds on a bike is better than 11 in a car anyday.

 

[drsokol]

best run with the -1 sprocket in front was a 13.45 @ 99 mph

 

[Guest]

While I was building my dragbike, and then while I repaired it, I ran my '88 dozens of times. I don't have any time slips in front of me, I'll have to look them up, but I do know I was putting down 1.8 second 60' times. My reaction time generally had a 0 in it, launching off the second yellow on a half- second tree. I turned in 14.2 rather consistently, at 95.something mph. Makes me wonder what is different. I have the smallest front sprocket I could buy, a modified airbox, stiffer clutch springs, and was running Turbo Blue 105 octane gas (before I learned better) This was at Wisconsin International Raceway, in Kaukauna, WI. It sure ain't no screamin' deamon, but I'd say that 14 seconds on a bike is better than 11 in a car anyday.

Keep in mind that motorcycle magazines aren't exactly pressed for time due to having to pay for their drag runs. I think if we all took a couple hours to review a bike and then spent run after run finessing the 0-60 launch, we could come down to the 13 seconds posted by some of these mags.

 

[drsokol]

im tellin you the launch is pretty hard to master, ive put about 16 runs under my belt over the past 2 weeks and my best 60 ft launch was a 1.9, its hard to launch soft enough that you arent poppin a 2 - 3 foot wheelie, but hard enough that ur not posting slow 60ft times

 

[Jninja]

lolz. i hope to someday get to the level of being able to hit a 3 foot wheelie without a myocardial infarction. after the airbox mod my bike will now pop up 4" shifting at redline from 1st-2nd and i just about wet myself the first time.

 

[drsokol]

http://www.ex-500.com/index.php/topic,19206.0.html

there are some pictures there, i was trying not to wheelie that big but didnt want to compromise my 60ft time