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Old 05-17-2013, 07:09 PM   #1
NMZens OP
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Please tell me....

That the 990 Adventure front end is much more planted and stable with a proper front tire! I needed to put on another 100 or so miles before my first service, so I decided it was time to finally get her dirty. BTW they DO look better dirty ;)

Anyway, I rode up through the Jemez mountains here in NM, and can't tell you how many close calls I had on any loose gravel, or sand, or whatever this crap was that I finally christened her with properly. The front end would just push through everything.



Once I got on some smaller trails that were packed dirt and rocks I started to really have fun, learning that I really just had to ride it like a 500# dirt bike, stand up and weigh the pegs and keep up your momentum. I may want to lower the gearing some though because a stalled a couple of time in some rocky technical sections and almost fell off over the front end!



The road that I came out on had just been graded, so the all the soft spots and that stupid Scorpion front tried their best to put me back down on the ground.

All in all a good ride, but I've read so many posts about how the 990 is such a confidence builder off road, but I was a complete wreck because I couldn't trust the front end.

Thanks for letting me rant.

Best.

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Old 05-17-2013, 07:43 PM   #2
brents347
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Great looking bike. It will get better with practice, and a new tire! What pressure were you running in the scorp today?
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Old 05-17-2013, 07:43 PM   #3
codys
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Love the Jemez.. Put a mt-21 or dunlop 606 on the front and enjoy. I run the tkc on the front quite a bit but don't really bomb away off road like I used too. Good looking bike!
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Old 05-17-2013, 07:59 PM   #4
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Originally Posted by brents347 View Post
Great looking bike. It will get better with practice, and a new tire! What pressure were you running in the scorp today?
Running around 30 psi. The rocky sections wouldn't warrant anything lower, I'm pretty surprised I didn't pinch a tube, at that pressure.

Hopefully there's quite a bit of newness to the ride too, I was just wondering if that front end was so heavy tires wouldn't make the difference that I need them too.

I was pretty impressed with the rear, it didn't have trouble hooking up or finding traction, not like a full knobby when hard breaking the rear though!
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Old 05-17-2013, 08:02 PM   #5
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Originally Posted by codys View Post
Love the Jemez.. Put a mt-21 or dunlop 606 on the front and enjoy. I run the tkc on the front quite a bit but don't really bomb away off road like I used too. Good looking bike!
I was thinking of a 606/908 combo. I have a Mt-21 on the XR & it's cupped & worn badly on a lighter bike that had the front wheel up in the air half the time :) So I'm concerned about wear on a heavier bike. Thanks for the input.
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Old 05-17-2013, 08:15 PM   #6
jon6.0
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I just put a Michelin T63 on the front of mine and it did real good except for deep loose sand/dirt. The front is also very under-sprung from the factory and the handling will get better with proper fork springs and sag. I just ordered some .62 fork springs from Slaven. My bike will be going in on Monday for its first service and to have the fork springs installed.

The T63 is stable on the highway and I cruise around 80-90mph. I ran it at 30psi offroad.

A few pics from Gorman California this past Tuesday.





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Old 05-17-2013, 08:27 PM   #7
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I just had the fronts finished by Superplush with .64's and re-valved so it's not the weak front end causing my problems. I've seen a the T63 mentioned a few times maybe it'd be a better option than the 606. Thanks.
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Old 05-17-2013, 08:52 PM   #8
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Clutch.

Use it- a lot.

Clutch.

Yes, the Scorps are remarkably stable on the road, but are unfriendly on the sand/dirt. I'm currently runnong 606/908, but have ordered Mefo replacements.

A bigger determiner of successful outcome on dirt is your devotion. The Big Girl does not like to be handled timidly. She likes to firm hand at the tiller.

Don't let her down.
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Old 05-17-2013, 10:00 PM   #9
SierraJeep
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I love the performance of the 606 on the front for both road and dirt, but it won't last too long if you're not careful about watching the tire pressure. 30-34 psi and it's happy on the street. Off road you can let it drop a little (if it's not too rocky). Anything less than 30 and it'll cup fast on the street. I get about 2500 miles on mine before the back sides are angled steeply (due to front braking).

A lot of any tire choice depends on the type of terrain you frequent. I am sure there are other good front tires out there for you to try.


The best rear I've found for the 990 is the Mefo.
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Old 05-18-2013, 12:00 AM   #10
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Quote:
Originally Posted by SierraJeep View Post

The best rear I've found for the 990 is the Mefo.
The 140 or 150?
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Old 05-18-2013, 05:52 AM   #11
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The 140 or 150?
140 is the wrong size for the 4.25" rim.

Yes, people do it all the time. But it's not engineered for it.
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Old 05-18-2013, 07:41 AM   #12
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140 is the wrong size for the 4.25" rim.

Yes, people do it all the time. But it's not engineered for it.
Tell that to KTM, lol. Mine came with a 140/80-18 908RR on it. As long as a 150 fits with no rubbing, I will use one. The 140 definitely looks too squared up on the 4.25 wheel.
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Old 05-18-2013, 09:12 AM   #13
el queso
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A bigger determiner of successful outcome on dirt is your devotion. The Big Girl does not like to be handled timidly. She likes to firm hand at the tiller.
^ ^ ^ ^ ^ ^ ^ ^ ^

This. Seems like the harder you ride it the better it handles the dirt. Personally I really like the stock Scorps on the 990.
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Old 05-18-2013, 12:55 PM   #14
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Wicked

+1 on the t 63....and mefo rear too....
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Old 05-18-2013, 04:35 PM   #15
what car??
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The Mefo tires are awesome!! Another decent/good option is the Kenda Big Block tires. I've not tried the MT-21 yet though.
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