Maintenance & Technical > KX500 Original
thats why i love the kx500 ;)
martinfan30:
--- Quote from: sandblaster on October 12, 2010, 04:34:30 PM ---
--- Quote from: martinfan30 on October 12, 2010, 03:22:19 PM ---Its funny... I've dragged my buddies on their xr650r's on dry lakes and it's pretty close to the end. I get em off the line and pull a two bike lead until about 80-85. Then they slowly creep up and pass.... :cry:
--- End quote ---
That is amazing.
I own two XR650R's and two KX5 (Back up's are nice).
None are stock, yet none are modified to the hilt.
Both K5's pull the XR's out of the hole and up to the high 90's.
Beyond that I could not tell you.
I wonder if your K5 it properly jetted and geared as it can make a world of difference?
If not there may be other issues, then again I could just be special :-D
--- End quote ---
what kind of gearing do you run on the K5's?
sandblaster:
The gearing on both K5's is 15 - 47.
The amount of bike lengths depends on how long you go for.
In a rough 1/4 mile drag 15-20 bike lengths between to K5 and the XR650R.
Yes, you can make the XR's scream but mine are only doing 57-59 HP.
Like I said, they are only mildly modified because I like mine to last a while.
Case and point, I'm parting out one of my 01 XR's and it looks like brand new on the inside with very little wear.
On the KTM 300, they are very fast and should keep up nicely with a 250 in a straight line drag.
There again the biggest difference people may see is in the condition of the engine, the tuning and the gearing.
Just because a bike starts and runs and feels fine, it may be bleeding HP.
If I missed a question, feel free to let me know.
Just a thought..........
martinfan30:
--- Quote from: sandblaster on October 13, 2010, 03:41:37 AM ---The gearing on both K5's is 15 - 47.
The amount of bike lengths depends on how long you go for.
In a rough 1/4 mile drag 15-20 bike lengths between to K5 and the XR650R.
Yes, you can make the XR's scream but mine are only doing 57-59 HP.
Like I said, they are only mildly modified because I like mine to last a while.
Case and point, I'm parting out one of my 01 XR's and it looks like brand new on the inside with very little wear.
On the KTM 300, they are very fast and should keep up nicely with a 250 in a straight line drag.
There again the biggest difference people may see is in the condition of the engine, the tuning and the gearing.
Just because a bike starts and runs and feels fine, it may be bleeding HP.
If I missed a question, feel free to let me know.
Just a thought..........
--- End quote ---
Can I ask your jetting and elevation?
SweetTea:
--- Quote from: RM_Rider14 on October 13, 2010, 12:23:14 AM ---
--- Quote from: vwcamper74 on October 12, 2010, 11:00:17 PM ---Hi Sandblaster
Are the 500's pulling the 650's by a couple of bike lengths or more and are the 450's really that close in a drag?
I want to believe that the old 500 is still the animal it used to be but looks like things are catching up. I asked a couple of questions a while ago regarding a ktm300 keeping up with the 500. My mate kept up with me on my 500 which really p@#$ed me off. A few people said that with the right conditions it should be able to. Anyway, I have been thinking about getting a 300 myself. Test rode an as new 2010 ktm300 last night. Really nice bike but it just does not feel like it can go anywhere near as hard as the 500 yet running them against each other shows that they can. Maybe the noise and vibration from the 500 makes it feel a lot faster/quicker than it really is.
--- End quote ---
Something is definitely wrong with your K5. The KTM 300 is one of the most gutless bikes I have ever ridden. My YZ250 runs circles around them, and my K5? Not even close, like bus lengths. No joke. Another buddy I ride with has a KTM 380, and that too is bus lengths behind me when we drag race. Your bike has issues if you can?t crush a KTM 300?..
--- End quote ---
Sounds like something was wrong with those KTM's you rode, they are far from gutless.
RM_Rider14:
--- Quote ---
Sounds like something was wrong with those KTM's you rode, they are far from gutless.
--- End quote ---
Some low end grunt, but nothing after that. My one buddies is an '09, the other an '08. Both jetted for our altitude (9k-14k feet). Same as my K5.
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