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Old 02-28-2009, 03:48 PM   #1
Fast1 OP
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Supermoto on graded/maintained dirt roads

Who is running 17" wheeled thumper supermoto bikes on pavement mixed with graded/maintained dirt roads (say 50/50 use)?

How do you set up your suspension in comparison to pavement only use?

What type of tires do you use?

What limitations have you found on the dirt roads?

Have you compared this set up to a 18/21" wheeled enduro tired bike in the same environment?

post up some photos..
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Old 02-28-2009, 05:26 PM   #2
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Gimme another month + for my arm to heal and I'll let you know, got all this sitting in the shed and can't use it....



I'm thinking it'll be a hoot! Sure was on the old DRZ....




I used increase front compression and rear rebound to keep it from diving as quickly from the dirt set up. Metzlers on the S, Conti SMs for the WR.
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Old 02-28-2009, 05:37 PM   #3
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I rode my DRZ SM on gravel a fair bit and it was good. If its hard packed you can rip. I ran Avon Distanzias.
If its loose you just need to watch the speed since the wide front will float.
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Old 02-28-2009, 05:48 PM   #4
SwitchThrottle
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I've had my Husky on dirt roads, and it does okay. The loose stuff is like riding on the sand on the streets now. I am running the stock tires which are pretty much your standard run of the mill sport bike tires.

Snapped this pic today with cheap video camera
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Old 02-28-2009, 06:52 PM   #5
Rob Dirt
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On my KLX/DRZ, I tighten the clickers almost all the way.
The biggest thing you have to watchout for is braking. I've slide through corners because my braking distance increased 10X.
Tires are just a reason to doubt your ability to ride a certain terrain. Sure a beefy knobbie works better, but that does not mean a slick can't cover the same ground. You just ride knowing that it's gonna slide around.

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Old 02-28-2009, 07:48 PM   #6
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I think Honda said it best many years ago.
Stupid hurts.
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Old 02-28-2009, 08:15 PM   #7
Fast1 OP
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anyone have experience with Avon Distanzia in comparison to Pirelli MT60s on graded hard pack dirt?

What did the HM and SM610 use that won the Pikes Peak hill climb event?






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Old 02-28-2009, 08:32 PM   #8
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SM's do fine on dirt roads...

I used to have a set of supermoto wheels for my XR650R. I always ran Pirelli MT60 tires. They were good for fire roads, water crossings, and some single track. They were very good on the pavement as well. Those were the only tires I ran.

Rocky situations are not fun on a supermoto. A 21 in front wheel is preferable here.





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Old 02-28-2009, 08:40 PM   #9
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I have read that the Distanzia is a good tire in the wet and cold, and better than a slick in the dirt. I also read that the MT60s were a little squirrely due to the tread blocks. ContiForce SMs seem to be popular. I dunno what I am gonna do. I think I will try to eek another season out of the stockers which may be difficult as I am already down to the wear stripes.
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Old 02-28-2009, 08:42 PM   #10
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If you do a lot of high speed on dirt roads be prepared to go thought tires. I toasted my stock 208 rear on dirt in a weekend. Was traveling at 30-50 average with a max of 80mph and did about 300 miles.
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Old 02-28-2009, 09:03 PM   #11
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Quote:
Originally Posted by SwitchThrottle
What kinda katch kan izzat???
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Old 02-28-2009, 09:12 PM   #12
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Old 02-28-2009, 09:20 PM   #13
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This thread should answer your question:
http://www.advrider.com/forums/showthread.php?t=207632

I'm the guy on the SM DRZ400. I sold it in mid 07. bone stock suspension, i was doing jumps on erosion mounds.
Kept up with the guys on knobbies everywhere, with abit of slip & sliding of course.
And a rocky river crossing
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Old 02-28-2009, 11:54 PM   #14
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I've done tons of off roading with super motard setups, both on a KLX 300 and a KTM 525 EXC. They cope surprising well everywhere except mud. I've done it using everything from slicks to rain tires.


Normal sport tires are the best compromise and work exceptional in rocky terrain.

A lot of the loops I do over here in Thailand are a mix of twisty sport bike type roads roads connected with off road sections. No problems with the motard set-up etc in everything except slippery mud.



If a lot of dirt will be ridden, soften up the compression front and rear, even softer than your full dirt set-up to allow the front tire as much chance to get a bite as possible. You can't lean on the front as much as if you had a dirt tire so using the rear to steer is the best technique or....just back off a bit in the corners.

My air pressure in the 17" tires are set at about 24 poundss. Quite a bit stiffer than my dirt set-ups so expect some squirrelyness. More improtantly just go enjoy yourself and don't worry about set-up, its all good.
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Old 03-01-2009, 06:06 AM   #15
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I go everywhere on Pirelli Super Corsa DOTs and Super Corsa slicks.



http://www.supermotojunkie.com/showt...rockin+offroad

http://www.supermotojunkie.com/showt...&highlight=WNC

http://www.supermotojunkie.com/showt...&highlight=WNC

http://www.supermotojunkie.com/showt...&highlight=WNC
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