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Old 08-21-2012, 09:22 PM   #68476
BlueLghtning
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Quote:
Originally Posted by Rusty Rocket View Post
I love it when a plan comes together. Just got off the phone with Seat Concepts. I had been in contact with them about making a taller seat for our DR's. Lendon, one of the owners had called me a couple times and we were hoping to have one in time for my trip to the Blue Ridge Parkway in early Sept. Lendon wanted to have one in time for me but couldn't make any promises.

Well the planets aligned and he was able to get the mold in time and I will have my tall seat in a few days. He also mentioned that he had orders for 3 more already. This is great for me because it addresses 2 issues at once. A better seat for long distances and the equivalent to lowering the pegs without getting my size 13's closer to the ground.

I imagine that ProCycle will have them soon also.

All you tall guys can have your cake and eat it too. You could even lower the pegs along with raising the seat. I just didn't want to lower the pegs because I ride mostly offroad and the rocks can be hell as it is.

Thanks Seat Concepts. Pictures and a report to follow.
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 08-21-2012, 09:33 PM   #68477
Rob.G
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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
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Old 08-22-2012, 04:42 AM   #68478
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Interesting G-tech results there! I haven't heard much talk about 1/4 miles times or 0-60 times for the DR650. I guess those will never be the bike's strong areas or intent. Still fun to talk about it though!

I often wish my bike was faster but the other day I was fooling around timing a few things on the Vapor. Just cruising at a steady 40mph in 4th gear, then hammering the throttle results in 40mph to 60 mph in about 2.5 seconds according to the vapor. About 3 seconds doing the same in 5th gear from 50-70. When you think about those numbers, our DR650's are adequately quick! Not streetbike or supercar quick, but......

There was a thread over on DRrider with a guy who actually took his DR790 to the track. Like you found, the results just aren't that impressive. With the big bore its hard to get going and keep the front wheel down I imagine which will really slow your times down.

Here is the thread

http://drriders.com/topic4481.html

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Old 08-22-2012, 06:26 AM   #68479
Rusty Rocket
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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
That's very close to stock gearing. I bet a box of donuts that it would improve with 14/42 (3:1) or 15/46 in your case.

Inquiring minds would like to know.
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Old 08-22-2012, 06:42 AM   #68480
godwinmt
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Quote:
Originally Posted by ThumperDR400 View Post
@godwinmt

Is that the pull start cord on the ground next to the bike? Or the Rip cord for the parachute when you fall off the sucker?

Tell us more about the swap. My 2005 DR has developed a fork seal leak. I just tried the film cleaning trick, but I don't know if it worked. The next step is new seals, but I wouldn't want to do that without Intiminators or equivalent... and I wouldn't want do to THAT without considering a fork swap... Oh the decisions... Or I leave it leak a bit and just ride it like I stole it and dream about faster, lighter, cheaper, longer lasting, more comfortable, longer range, heated grips, longer travel suspension etc...

Jeremy
I just checked outside...the cord is a set of earplugs someone in the plant must've dropped :)

The forks are off an '04 DRZ400S. The DRZ steering stem/bearings are pretty much identical to the ol' tractor's setup, so it was a matter of pull the bars off and lay them over the tank, pull the rest of the DR stuff, and then bolt up the DRZ front.

The DRZ uses the same headlight/cowl as the DR, so you get to reuse those parts. You will need new headlight mounts sicne the forks on the DRZ are bigger. I found a box of DRZ parts on ebay that had the brackets as well as a ton of bolts and misc brackets (brake line) etc. for $25.

You will need to modify the turn signal brackets (just take the top with the little alignment tab off) to fit, and the ignition switch needs remounted with homemade brackets as well. With some tweaking you should be able to get it mounted and still use the steering lock, but I was in a hurry with mine and it doesn't quite make it.

Unfortunately the stock DR wheel has a 17mm axle wheras the DRZ has a 20mm axle. The other problem is that DRZ wheels are pretty damn expensive to find in decent shape. Lucky for us though the front wheel off of an RM250 also works (I snagged one from an '07 for $85). The only problem with this is that the RM wheel doesn't have a provision to drive your speedo (I'm using a vapor, so this didn't affect me). The DRZ/RM has a smaller rotor than the DR, but some late model RM's (I know 07 for sure, not sure about others) have a floating front rotor like the DR. You'll need the axle spacers from whatever model bike you decide to use the front wheels from (RM in my case).

The brake is pretty much plug and play. Try and find the brackets to guide the line from a DRZ to make your life easier. Once the new brackets are on the line it's as simple as bolt the DR caliper up on the forks and go. The fender from the DR also works just fine, but I snagged a polisport YZ fender off of motorcyclesuperstore for $5

here's a quick cost breakdown for what I is needed to get it to work
'04 DRZ forks/tree - $200
'07 RM250 wheel - $85
RM250 axle - $15
Box of bolts with headlight brackets etc. - $25
trailtech vapor - $110
misc. aluminum flatstock - $5

So for me it cost $440 with the vapor. I'll make some back when I sell the forks/triple from the DR, but it's definitely a worthwhile upgrade. It completely transforms the bike...I mean it's still a tractor, but definitely less so than before.

Let me know if there are any questions.

-Malhon
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Old 08-22-2012, 07:45 AM   #68481
Rob.G
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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. I guess those will never be the bike's strong areas or intent. Still fun to talk about it though!

I often wish my bike was faster but the other day I was fooling around timing a few things on the Vapor. Just cruising at a steady 40mph in 4th gear, then hammering the throttle results in 40mph to 60 mph in about 2.5 seconds according to the vapor. About 3 seconds doing the same in 5th gear from 50-70. When you think about those numbers, our DR650's are adequately quick! Not streetbike or supercar quick, but......
I did some searching after making the post, and it seems those numbers are about right for the DR650. One site got a 14.1 out of it, so I'm darn close.

Quote:
Originally Posted by Rusty Rocket View Post
That's very close to stock gearing. I bet a box of donuts that it would improve with 14/42 (3:1) or 15/46 in your case.

Inquiring minds would like to know.
I have a 15T sprocket for the bike.. maybe I'll put it on this weekend and try again!

Rob
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Old 08-22-2012, 08:07 AM   #68482
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Quote:
Originally Posted by Rob.G View Post
I did some searching after making the post, and it seems those numbers are about right for the DR650. One site got a 14.1 out of it, so I'm darn close.

I have a 15T sprocket for the bike.. maybe I'll put it on this weekend and try again!

Rob
I want the 14 second barrier broken!
You can do it!
No more food for you untill after the test. I want new plugs installed, oil changed, and a lubed and perfectly adjusted chain. Wax your helmet and wear slick tight fitting clothing. Cheat if you have to, but I want a time reported in the 13s.

And of course be safe and on a closed course/track as the say, but BREAK THAT BARRIER!
The honor of this thread is at stake. Good luck.

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Old 08-22-2012, 08:11 AM   #68483
acesandeights
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What was the KLX time as a comparison?
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Old 08-22-2012, 08:21 AM   #68484
Rob.G
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Quote:
Originally Posted by Rumlover View Post
I want the 14 second barrier broken!
You can do it!
No more food for you untill after the test. I want new plugs installed, oil changed, and a lubed and perfectly adjusted chain. Wax your helmut and wear slick tight fitting clothing. Cheat if you have to, but I want a time reported in the 13s.

And of course be safe and on a closed course/track as the say, but BREAK THAT BARRIER!
The honor of this thread is at stake. Good luck.
Hahahaha!

Well as luck would have it, it already has a new chain and sprockets, perfectly adjusted, and oil was fresh 500 miles ago. I just need to go to the hardware store for an M5 tap so I can chase the threads in my 15T sprocket before installing it.

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
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Old 08-22-2012, 08:29 AM   #68485
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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   #68486
Mongle
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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   #68487
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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   #68488
xKLR_John
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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   #68489
JagLite
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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   #68490
deathu
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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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