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Old 08-22-2012, 08:29 AM   #68476
Rumlover
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Joined: Sep 2010
Location: Utah
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Quote:
Originally Posted by Rob.G View Post
Hahahaha!

Speaking of cheating, if you want, I can post the times I'll get from my FZ1 and just not say they're from the FZ1. "Holy crap -- how did you get 10's out of a DR650????" :)

Rob
Naw, too obvious
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Old 08-22-2012, 12:52 PM   #68477
Mongle
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Joined: Dec 2009
Location: North Carolina Y'all
Oddometer: 2,619
The Mayans must have been right...end of the world is coming...I had to look on PAGE 2 to find the DR650 thread!

Hadn't stopped by in a while. Just thought I would say HI.

I was surprised to see the 1/4 mile time. I would have thought way slower. Friend had a bone stock 1988 Monte Carlo...he couldn't get it to break into the 14s! 15.01 all day! But, I guess the DR is actually lighter then some things. If you do the math (power/weight) it comes out right. I figured 545lbs bike/rider and 35 HP comes out to about 14.55 at 92 mph.
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Old 08-22-2012, 01:13 PM   #68478
MeterPig
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Joined: Jul 2007
Location: Parker, Colorado...
Oddometer: 17,090
Quote:
Originally Posted by Rob.G View Post
A thread over on the Kawasaki Forums on the KLX250S about performance numbers got me motivated, so I ended up testing my KLX and my DR650. I have an old G-Tech Pro from the mid-90's, which used an accelerometer to test 0-60 and 1/4 mile performance.

This being the first time I've ever attempted to drag race a motorcycle, the results were not that pleasing. I got a best 0-60 of 6.06 sec and a best 1/4 mile time of 14.44 @ 91.6 mph. I think both of those times could be cut a bit with a little practice. The bike has the FCR carb, GSXR pipe, Twin-Air filter and airbox mods, 16/46 gearing. Elevation here is 150', temp was 74 deg and humidity 50%.

I wonder what a DR with the 790 kit would do by comparison! :)

Rob
What kind and type of tires?
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Old 08-22-2012, 02:14 PM   #68479
xKLR_John
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Joined: Mar 2007
Location: Franklinton, NC
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Dang it, y'all are just trying to cost me more $$$. I already bought the regular version of the Seat Concepts seat. It's nice but taller would be even nicer.

Quote:
Originally Posted by BlueLghtning View Post
Awesome. I'd been thinking about ordering a Seat Concepts seat, but at 6'4", I really wanted a taller seat!
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Old 08-22-2012, 02:42 PM   #68480
JagLite
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Joined: Jun 2010
Location: Anchorage Alaska
Oddometer: 1,096
Bluhduh Seat Concepts V2

Quote:
Originally Posted by xKLR_John View Post
Dang it, y'all are just trying to cost me more $$$. I already bought the regular version of the Seat Concepts seat. It's nice but taller would be even nicer.
Exactly my thoughts!
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Old 08-22-2012, 03:00 PM   #68481
deathu
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Joined: Oct 2011
Location: Bucharest
Oddometer: 77
Quote:
Originally Posted by motolab View Post
The previous poster was encouraging you to replace the jet needle as well as the emulsion tube (needle jet). To that I would add the slide guide and the slide, or else the emulsion tube won't last very long at all.

Regards,

Derek
Well, it seems that my slide guide is indeed worn out:


Now my question is, it seems that for some reason Suzuki does not offer the slide guide as a replacement part - at least I could not find it in the carb diagrams - so I presume it is not sold separately - am I right? In this case, I would order the slide guide from KTM if anybody can confirm that the slide guide used on the 640LC4 (2001-2003) that has a BST40 carb as well, fits on the Suzuki DR650 stock carburetor. I know that the slides are slightly different (the KTM one has two vent holes, while the Suzuki has a single vent hole), but are the slide guides identical?



Also, for some reason my cover has a small area where the sealing surface is not flat:


I guess the gap - not visible in this photo - is around 0.3 millimeters. Otherwise the cap does not seem warped. My question is, is there any issue to be expected if i flatten out the whole sealing surface? This means the total height of the cover will be reduced by up to 0.5mm in order to achieve a flat sealing surface. Should I try this, or is a brand new cap strictly required in my case?
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Old 08-22-2012, 03:21 PM   #68482
eakins
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Joined: May 2002
Location: Fort Collins, Colorado
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Took the DR on a sweet weekend dual-sport/camping ride.

Peak-Peak Hiway, end of Rollins Pass, backway to Fall River Rd, Guanella Pass, made it (barely) over Webster Pass, Ute Pass, backway to Fraiser, Stillwater Pass, Rocky Mtn N.P.

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Old 08-22-2012, 03:56 PM   #68483
ShadyRascal
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Joined: Feb 2007
Location: the Root, Western Montana
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I'll see that and raise you a Glacier park/Rocky mountain front loop



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Old 08-22-2012, 06:57 PM   #68484
ntm1973
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Joined: Mar 2012
Location: PA
Oddometer: 98
Suspension and exhaust

I ordered a hayabusa/kientech exhaust with a spark arrestor already installed and am looking forward to shedding a little weight but I would like to keep my jetting stock if possible. In fact, my only reason for wanting an aftermarket exhaust is to shed some weight. I went down the cut the airbox top/jet kit route and prefer the stock setup with one shim raising the needle. Has anyone done the hayabusa exhaust and kept the airbox stock? I know jetting is a case by case science but I was hoping for a starting point for people who have done the hayabusa exhaust with a stock airbox.

Also; Has anyone tried tuning the front fork on the cheap by changing the compression or rebound holes slightly? I am not a big guy (170lbs without gear) or an aggressive rider and I don't feel that I need emulators but would like a little more plushness up front. Has anyone done any experimentation?

Thanks for any words of wisdom!
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Old 08-22-2012, 07:29 PM   #68485
eakins
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nice. been to Glacier several times and it always impresses.

Quote:
Originally Posted by ShadyRascal View Post
I'll see that and raise you a Glacier park/Rocky mountain front loop



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Old 08-22-2012, 07:34 PM   #68486
sagebrushocean
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Joined: Feb 2011
Location: jackrabbit country
Oddometer: 179
Quote:
Originally Posted by Motodeficient View Post
Interesting G-tech results there! I haven't heard much talk about 1/4 miles times or 0-60 times for the DR650.
Here's a good compendium:

http://dalefranks.com/cycles/wp-cont...anPerfIndx.pdf

Shows the DR650 0-60 in the mid 5s, 1/4 mile in the (very) low 14s.
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Old 08-22-2012, 08:12 PM   #68487
ram1000
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Joined: Feb 2004
Location: Tricities Washington
Oddometer: 1,826
Quote:
Originally Posted by ntm1973 View Post
I ordered a hayabusa/kientech exhaust with a spark arrestor already installed and am looking forward to shedding a little weight but I would like to keep my jetting stock if possible. In fact, my only reason for wanting an aftermarket exhaust is to shed some weight. I went down the cut the airbox top/jet kit route and prefer the stock setup with one shim raising the needle. Has anyone done the hayabusa exhaust and kept the airbox stock? I know jetting is a case by case science but I was hoping for a starting point for people who have done the hayabusa exhaust with a stock airbox.

Also; Has anyone tried tuning the front fork on the cheap by changing the compression or rebound holes slightly? I am not a big guy (170lbs without gear) or an aggressive rider and I don't feel that I need emulators but would like a little more plushness up front. Has anyone done any experimentation?

Thanks for any words of wisdom!
Keep the stock jetting with those changes and you'll likely burn a valve.
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Old 08-22-2012, 09:24 PM   #68488
Meter Man
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Joined: May 2005
Location: Montana
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My most favorite place in the world!



Quote:
Originally Posted by ShadyRascal View Post
I'll see that and raise you a Glacier park/Rocky mountain front loop



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Old 08-22-2012, 11:17 PM   #68489
TRAVELGUY
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Joined: May 2008
Location: Georgetown, In / Costa Rica
Oddometer: 620
I'm running a GSXR pipe with stock carb and jetting and having no problems. All it did was save weight which is what I was hoping for.

TravelGuy.

Quote:
Originally Posted by ntm1973 View Post
I ordered a hayabusa/kientech exhaust with a spark arrestor already installed and am looking forward to shedding a little weight but I would like to keep my jetting stock if possible. In fact, my only reason for wanting an aftermarket exhaust is to shed some weight. I went down the cut the airbox top/jet kit route and prefer the stock setup with one shim raising the needle. Has anyone done the hayabusa exhaust and kept the airbox stock? I know jetting is a case by case science but I was hoping for a starting point for people who have done the hayabusa exhaust with a stock airbox.

Also; Has anyone tried tuning the front fork on the cheap by changing the compression or rebound holes slightly? I am not a big guy (170lbs without gear) or an aggressive rider and I don't feel that I need emulators but would like a little more plushness up front. Has anyone done any experimentation?

Thanks for any words of wisdom!
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Old 08-22-2012, 11:40 PM   #68490
NordieBoy
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Joined: Dec 2006
Location: Kiwiland
Oddometer: 7,132
Quote:
Originally Posted by Rumlover View Post
Cheat if you have to, but I want a time reported in the 13s.
I actually expected the DR to break 14 as my 558cc Nordwest did 14.1 and I feel the DR has a much better bottom end.
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