Best Sumo out there (advice needed)

[ThumperX]

Did anyone mention an ATK 605?

 

[Pelon]

Did anyone mention an ATK 605?

Something made in the last decade? Just sayn... besides, try and find parts withour having to order and waiiiiit...

Fun f'n bike though!!

 

[ThumperX]

American Dirt Bike has everything. Can't see a modern bike topping it for pure freaking power, handling, and pedigree.
W have 2 one is a 2001 the other a 2002 almost this decade

 

[Pelon]

American Dirt Bike has everything. Can't see a modern bike topping it for pure freaking power, handling, and pedigree.
W have 2 one is a 2001 the other a 2002 almost this decade

Power.. yes. Stupid fun.. yes...

I wouldnt want to takw it on a 1000 mile + road trip.
What are service intervals?

I think. The 690sm is the best all around sumo thats a true thumper.

Just my $0.02

 

[ThumperX]

Service intervals? I thought you just blew them up and rebuilt them.

If KTM would build bikes for little people I'd jump on their stinking bandwagon

 

[Pelon]

Service intervals? I thought you just blew them up and rebuilt them.

They don't really blow up... The stator fails... and then you open it to replace the stator with one that was made by some guy in North Dakota. Then you find that you can get a good seal on the case and it leaks... lol

If KTM would build bikes for little people I'd jump on their stinking bandwagon

I have an aftermarket seat that is for "shorter" people.. Seat height reduced about 1.5" and is narrower. I don't use it so if you are interested.....

 

[Goose916]

I like my ATK 605 and it's a better overall "commuter-tard" than the Husaberg. That said, it doesn't have the power of the berg, the handling isn't even close due to the weight, and the weight is significant (comparatively). Still, you can get parts. It's damn durable. Makes my hands numb pretty quick and the clutch pull is very hard! Mine's a 1996, so . . . pretty damn neat 27 year old bike (but not a supermoto).

 

[Z3n]

American Dirt Bike has everything. Can't see a modern bike topping it for pure freaking power, handling, and pedigree.
W have 2 one is a 2001 the other a 2002 almost this decade

I have a friend who broke both axles on one.

Solid bikes.

I say go 690 or go home.

Or do this:
[youtube]2CnEYhExAXc[/YOUTUBE]

 

[louemc]

ATK was created by a genius..and then a few years later sold to a guy in Utah, that hired the lowest cost workers, and it was just an assembly operation.

I wouldn't have one.

 

[louemc]

Uhh, number_6...When switching from 19" wheels to 17" wheels, the drop (lowering) isn't 2"...The bike is lowered by the different distance of the Radius of the wheel..
Axle to ground, distance.

 

[wsmc831]

I completely disagree. The wheel is round. Both sides of the wheel will touch the ground eventually.

Just say "Ohlins Steering damper" and all will be forgiven.

 

[louemc]

^^lets make it clear...You will forgive number_6, I won't

The math on the wheel size, is un-forgivable...

 

[Blankpage]

You guys are crazy worrying about the 17's. When you change your front to 17 you change your rear too.

So in front you get (21"-17")/2 = lowered 2"

But in there rear you have (19"-17")/2 = lowered 1"

So the net effect is to lower the front end 1". On a bike with about 10" of suspension travel. So that crazy geometry you get for the most part is withing the realm of what you would have got before the swap if you brake hard. Couple that with stiffening the suspension and it doesn't seem like it would be an issue.

Slide your forks 1" up the triple clamps and then say it doesn't make any difference.

A dual sport had an 18" rear.

 

[Eye Heart Pasta]

A quick and dirty calculation to further muddy the waters:

Assuming a rake of 25°, trail on a "21-inch" front is 124mm, on a 17, it's 100mm. ~20% reduction.
So it's not so much the suspension travel or ground clearance issue as it's a steering quickness issue.

 

[kingmoochr]

it's a steering quickness issue.

That was always the issue.......

 

[Blankpage]

A quick and dirty calculation to further muddy the waters:

Assuming a rake of 25°, trail on a "21-inch" front is 124mm, on a 17, it's 100mm. ~20% reduction.
So it's not so much the suspension travel or ground clearance issue as it's a steering quickness issue.

Ground clearance issue was never mentioned.

 

[Sharky]

Slide your forks 1" up the triple clamps and then say it doesn't make any difference.

A dual sport had an 18" rear.

Shit my DS has a 17"...what the heck am I going to do??

 

[Blankpage]

Shit my DS has a 17"...what the heck am I going to do??

DS with a 17" rear is probably too slow to matter. don't worry about it, you'll be okay.

 

[pregrid]

But in there rear you have (19"-17")/2 = lowered 1"

Uhh, number_6...When switching from 19" wheels to 17" wheels, the drop (lowering) isn't 2"...The bike is lowered by the different distance of the Radius of the wheel..
Axle to ground, distance.

Do you guys actually read these posts or are you just looking for an argument?

 

[Junkie]

A quick and dirty calculation to further muddy the waters:

Assuming a rake of 25°, trail on a "21-inch" front is 124mm, on a 17, it's 100mm. ~20% reduction.
So it's not so much the suspension travel or ground clearance issue as it's a steering quickness issue.

you also lower the front about another inch vs the rear, which decreases rake.