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Search: Posts Made By: johnkol
Forum: Thumpers 09-06-2013, 01:32 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
They are an improvement in terms of stability,...

They are an improvement in terms of stability, adhesion, feel, and consistency. They don't last as long as the 705s, but I'm more than happy to sacrifice longevity for a far better riding experience.
Forum: Thumpers 09-05-2013, 08:20 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
As you mention, the fundamental problem might be...

As you mention, the fundamental problem might be the fact that you overfilled with oil. Contrary to what Suzuki suggests, the DR needs about 1.9 litres; if you overfill you will see oil leaking,...
Forum: Thumpers 09-05-2013, 08:07 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I find the 700s to be a huge improvement over the...

I find the 700s to be a huge improvement over the 705s that I had before, both on- and off-road.

I have 2500 miles on my rear 700 and the knobs are half gone; I expect to get about 4k out of it,...
Forum: Thumpers 08-25-2013, 01:43 AM
Replies: 44,868
Views: 8,689,706
Posted By johnkol
Top end power between a 400S and a WRR is the...

Top end power between a 400S and a WRR is the same? Let's be reasonable here, there is no way that this can happen given the similar engine technologies.

Sure, the 400S did not have the power of...
Forum: Thumpers 08-24-2013, 11:58 AM
Replies: 44,868
Views: 8,689,706
Posted By johnkol
That was not my experience with the 400E when I...

That was not my experience with the 400E when I sampled it some years ago: it not only had tons of power at the top, but a lot of duration too. At that time I was riding a Husaberg 400, and the DRZ...
Forum: Thumpers 08-16-2013, 07:46 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I sealed the stock DR rims myself; posted that...

I sealed the stock DR rims myself; posted that info (http://advrider.com/forums/showthread.php?p=19874234&highlight=cyborg%27s#post19874234) last year.

After that, Travelguy...
Forum: Thumpers 08-16-2013, 07:19 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Ground cover is the white plasting sheeting that...

Ground cover is the white plasting sheeting that you can see immediately under the bungee straps. Sleeping pad (air mattress) is in the backpack, together with food supplies for 3-4 days, some basic...
Forum: Thumpers 08-16-2013, 01:59 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I don't carry any cooking gear, but I do carry...

I don't carry any cooking gear, but I do carry food for 3-4 days (think calorie-dense foods); I typically don't buy food during my trips (I don't like to interrupt my riding). I carry a half-litre...
Forum: Thumpers 08-16-2013, 11:26 AM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
A front-side one: ...

A front-side one:
https://lh4.googleusercontent.com/-RfesRIOu2tc/Uf60fQJAR0I/AAAAAAAAAR0/uhv5eSF55pQ/w612-h459-no/AvenueOfGiants_5.JPG

I'm heading out this weekend for a 3-day trip, so I'll take...
Forum: Thumpers 08-15-2013, 10:50 PM
Replies: 44,868
Views: 8,689,706
Posted By johnkol
By "tested" you mean in a lab? I haven't done...

By "tested" you mean in a lab? I haven't done that, but I have tested it in my DR650 that had a very notchy gearbox. Tried Rotella T5 (dino oil), Rotella T6 (synthetic), Mobil 1 Auto (synthetic) and...
Forum: Thumpers 08-15-2013, 10:29 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
It's not that hard. This is day 3 of a 4-day trip...

It's not that hard. This is day 3 of a 4-day trip through Northern California, camping every night.

Sleeping bag, tent (stuffed inside sleeping bag), and a backpack strapped to the sleeping bag....
Forum: Thumpers 08-14-2013, 10:51 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Forgot to comment on the above. Is this an...

Forgot to comment on the above.

Is this an argument that came out of the experience of supercross riders on the rhythm sections? I have never seen data to support this position, and I actually...
Forum: Thumpers 08-14-2013, 10:24 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Is this your first bike? I can do 500-mile...

Is this your first bike?

I can do 500-mile (10-hour) days on the stock seat, multiple days in a row, without any problem. It's just a matter of conditioning and acclimation.
Forum: Thumpers 08-14-2013, 04:23 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I went back to my notes, and I had 68mm of fork...

I went back to my notes, and I had 68mm of fork sag with the stock springs and no preload; sag on the rear was 80mm, and the bike felt like a chopper, so I added preload to bring it to where the...
Forum: Thumpers 08-13-2013, 02:55 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I understand what you're saying, and I agree with...

I understand what you're saying, and I agree with you that damping can somewhat make up for inappropriate spring rate selection, but in the case of lightweight (anything less than 150lbs) riders, I...
Forum: Thumpers 08-13-2013, 12:57 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
That is the lightest fork spring that ProCycle...

That is the lightest fork spring that ProCycle offers. Race Tech doesn't have anything under 0.60kg/mm.

Eibach shows a 0.45kg/mm, but I don't know of a retailer that offers it.
Forum: Thumpers 08-12-2013, 09:37 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
My calculations came up with .37 for the first 8...

My calculations came up with .37 for the first 8 or so inches then transitioning to .42 just before bottoming out.[/QUOTE]
Interesting. I have stock fork springs with all preload essentially removed...
Forum: Thumpers 06-11-2013, 08:55 PM
Replies: 44,868
Views: 8,689,706
Posted By johnkol
Rider and/or luggage weight is irrelevant; spring...

Rider and/or luggage weight is irrelevant; spring rate and spring preload should be chosen and set correctly so that you have the proper static and dynamic sag for whatever weight you have on the...
Forum: Thumpers 01-03-2013, 10:03 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
No, they didn't give up on it, the kit is ready...

No, they didn't give up on it, the kit is ready and is shipping; the history of it is well documented (http://drriders.com/topic2824.html).

If you think you can provide a better EFI kit...
Forum: West California, the desert southwest and whatever is left 11-23-2012, 09:16 PM
Replies: 4,914
Views: 445,139
Posted By johnkol
There are dirt roads in the SC mountains that you...

There are dirt roads in the SC mountains that you can legally ride?? Pray tell!
Forum: Thumpers 11-20-2012, 03:46 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Not necessarily. Do you have the Service...

Not necessarily.

Do you have the Service Manual? The only thing you may have to do is tighten the steering stem nut (page 5-20, item 7). After you do this, check for any tight spots as you rotate...
Forum: Thumpers 11-20-2012, 02:19 AM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Tyre pressures are proportional to rider weight,...

Tyre pressures are proportional to rider weight, so a 250-lb rider should certainly be using higher tyre pressures than a 150-lb rider. And indeed, underinflating tyres will make for a sub-standard...
Forum: Thumpers 11-19-2012, 05:47 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I was talking about crossing a seam at a shallow...

I was talking about crossing a seam at a shallow angle. I can do that in my puny 15-lb road bike and the bike feels solid as a rock. I can ride uneven ruts with my KTM and the bike goes straight as...
Forum: Thumpers 11-19-2012, 01:40 AM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
The stock fork oil is 10w, not 5w, but that's...

The stock fork oil is 10w, not 5w, but that's irrelevant.

What's relevant in this discussion is the difference between the stock damping characteristics of compression and rebound: the DR has too...
Forum: Thumpers 11-17-2012, 08:04 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Hey, thanks for the suggestion, this was the...

Hey, thanks for the suggestion, this was the first truly helpful tip that anyone offered!

Unfortunately, I already checked for this, but still, thanks!
Forum: Thumpers 11-17-2012, 11:37 AM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I disagree. I weigh 130 lbs and both forks and...

I disagree. I weigh 130 lbs and both forks and shock have way too much compression damping. On sharp impacts the forks pack up and deliver a violent jolt to your arms. Shock is even worse because it...
Forum: Thumpers 11-16-2012, 10:29 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
These are not unreasonable questions, but you are...

These are not unreasonable questions, but you are making some inferences that are not actually true.

First of all, I was never planning on saying anything about the frame flexes; I have known...
Forum: Thumpers 11-16-2012, 09:18 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Nah, from the first five seconds I stepped on a...

Nah, from the first five seconds I stepped on a dirt road I knew that the problem was the same as on the XR, a very flexible frame. I was simply incredulous that something like that could be...
Forum: Thumpers 11-16-2012, 01:31 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Nothing to do with the environment; it depends...

Nothing to do with the environment; it depends solely on the impact forces.


Nothing to do with the motor; motor forces are longitudinal, frame flex is mainly along the transverse plane.


No....
Forum: Thumpers 11-16-2012, 12:32 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
That's precisely what I have been saying. For the...

That's precisely what I have been saying. For the last two decades I have been riding bikes that have had rigid frames, excellent suspension components, and great motors. They were not misbehaving,...
Forum: Thumpers 11-16-2012, 12:18 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
No, I didn't know any of that history, but what...

No, I didn't know any of that history, but what are we supposed to take from this? Forget about the frame for a moment, and let's focus on the suspension, which, I believe you will agree, is...
Forum: Thumpers 11-16-2012, 11:50 AM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
What I was trying to tell you is that, in...

What I was trying to tell you is that, in general, compression damping adjustment is at the shock reservoir, whereas the rebound adjuster is at the bottom of the shock body itself. Since there is no...
Forum: Thumpers 11-15-2012, 10:40 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
No, "Tuned Flex" was something else. Technically...

No, "Tuned Flex" was something else. Technically similar, but conceptually different.

The flexible frames on the XRs were a huge success, as sales and longevity of that series testify.

...
Forum: Thumpers 11-15-2012, 10:02 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
No, the stock shock only has compression damping;...

No, the stock shock only has compression damping; rebound damping is controlled by a collar at the bottom of the shock assembly. You can take a look at the manual if you don't believe me.
Forum: Thumpers 11-15-2012, 08:43 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I doubt it; I believe I can separate suspension...

I doubt it; I believe I can separate suspension deficiencies from frame problems.

In any case, I have other problems with the DR too, mainly weight, but also a general inability to connect with...
Forum: Thumpers 11-15-2012, 08:10 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Yeah. For sure, just buff the fresh machining...

Yeah. For sure, just buff the fresh machining burrs off the spike before you sit on it.:rofl
[/QUOTE]
But see, I think the stock seat is great! I did a 3-day, 1200 mile ride and had no problem with...
Forum: Thumpers 11-15-2012, 06:47 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I did similar research to yours and, much like...

I did similar research to yours and, much like you, never saw this problem mentioned -- but then again I wasn't looking for such a potential problem because I thought that these issues had died with...
Forum: Thumpers 11-15-2012, 05:18 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I know what you're saying, but really, soap is...

I know what you're saying, but really, soap is not needed. Just try it next time and you'll see, if there's a leak it immediately shows up.


Probably true, that's why one needs to leave the wheel...
Forum: Thumpers 11-15-2012, 05:01 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
Mine too. Brings a smile and a flat track hero...

Mine too. Brings a smile and a flat track hero feeling, every time I let loose on a nice graded dirt curve.[/QUOTE]
That's absolutely true: the more flexible the frame the easier it is for a rider...
Forum: Thumpers 11-15-2012, 04:45 PM
Replies: 98,699
Views: 18,824,987
Posted By johnkol
I don't believe so. Forks flex in the transverse...

I don't believe so. Forks flex in the transverse plane (like when you're braking), and the flex that I feel is in the longitudinal plane.

By the way, I don't feel the forks flexing at all, but...
Showing results 1 to 40 of 133

 
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