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Old 08-26-2013, 12:37 AM   #10621
Mudguts
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Quote:
Originally Posted by v8toilet View Post
Trying to tweak my sad suspension tonight. The shock rebound adjuster only has 13 clicks and then it stops/seizes. Any tricks to freeing it or do I need to send it off to a shop?
There is a good chance it has already broken not the best design ,
The seizure is is one side mashing against the other
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Old 08-26-2013, 08:23 AM   #10622
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Originally Posted by Mudguts View Post
There is a good chance it has already broken not the best design ,
The seizure is is one side mashing against the other
Yeah you're probably right, the hourglass shaped screw has separated internally. I'd be interested in the Tractive stuff but $1700 USD is a bit rich for this kid.
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Old 08-26-2013, 08:28 AM   #10623
Seth S
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Originally Posted by 150ron View Post
Wow, 75mph at 5.5 rpm is great, my current bike is at 7k rpm at 75mph, thanks for the info, much appreciated.
I need to check but I think I ran 15/42 gearing on my 690 when I raced in australia and the bike topped out at 102 mph. i was running a Michelin rally tire and rally Mousse on the back which is a heavy setup and may have cost a little top speed. I was running Beanie's efi map on the stock computer and it might not have been fully tuned for 9000 rpm running. I have the head off the bike right now and there are no signs of damage or detonation etc so I don't think there were any lean running issues.
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Old 08-26-2013, 08:36 AM   #10624
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Originally Posted by Seth S View Post
I need to check but I think I ran 15/42 gearing on my 690 when I raced in australia and the bike topped out at 102 mph. i was running a Michelin rally tire and rally Mousse on the back which is a heavy setup and may have cost a little top speed. I was running Beanie's efi map on the stock computer and it might not have been fully tuned for 9000 rpm running. I have the head off the bike right now and there are no signs of damage or detonation etc so I don't think there were any lean running issues.
Mr. Seth how many miles on your bike now?
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Old 08-26-2013, 08:45 AM   #10625
burmbuster
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Originally Posted by Bigbugberg View Post
I presume you meant you're wrong.

Sent from my SCH-I605 using Tapatalk 4
Yes. The iPad presumes to be smarter than I am from time to time.
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Old 08-26-2013, 09:04 AM   #10626
zxrider11
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2012 with stock gearing at 60mph = 4,500 rpms.

When I switched to a 42 rear sprocket, 60mph = 4,000 rpms.
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Old 08-26-2013, 11:25 AM   #10627
DirtJack
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Calculated speed at various rpm. The 2127mm circumference may not be accurate for your rear tire. Changing the vary last entry on the browser URL, 15r45, to reflect your final drive ratios, for example 14r48 [the gearing I used in Colorado last week], will show the new speeds for each rpm. Apologies for being a geek.

Hope people didn't miss the two links in this post.
Here is a link showing the speeds for rpm using 15/42 gearing.

Just changed the last entry in the browser URL to 15r42 to get the new speeds. zxrider11 is correct, 15/42 gearing gives 59 mph at 4000 rpm.
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Old 08-26-2013, 12:58 PM   #10628
Seth S
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Quote:
Originally Posted by v8toilet View Post
Mr. Seth how many miles on your bike now?
about 10,000 miles
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Old 08-26-2013, 01:01 PM   #10629
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Originally Posted by DirtJack View Post
Here is a link showing the speeds for rpm using 15/42 gearing.

Just changed the last entry in the browser URL to 15r42 to get the new speeds. zxrider11 is correct, 15/42 gearing gives 59 mph at 4000 rpm.

I'll take a look tonight...I definitely wasn't running 126 mph. I am likely wrong on the ratios.


Checked last night and I have a 44 sprocket on the rear. Pretty sure I have a 15 tooth on the front. The bike topped out at 102 mph on the ICO and I am not 100% sure of the rpm but it was near the top of the range.
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Old 08-26-2013, 01:30 PM   #10630
Hoots
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Quote:
Originally Posted by zxrider11 View Post
2012 with stock gearing at 60mph = 4,500 rpms.

When I switched to a 42 rear sprocket, 60mph = 4,000 rpms.
I use 16:44 and run about 4,000rpm at 100kph (60mph) ...

Can cruise comfortably at about 110-115kph, with the motor just chugging along ...

Good dual sport gearing for this bike IMO ...

Makes 1st-3rd more useable for fire trails ...
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Old 08-26-2013, 01:32 PM   #10631
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Originally Posted by 150ron View Post
KTM690 owners, on a STOCK KTM690R, with stock gearing, while you are doing 75mph on the fwy for LONG stretches at a time, what is the RPM at?

And, how about a real world top speed please, i know the bike is great off road, trying to see about its fwy and top speed characters, assuming the rider weighs 160 pounds, thanks.
Best gearing site I've seen. Unfortunately I don't see the post-09 690s on here, but bit of searching (or comparing your rpms/speed to what is shown for '09's results) and you could likely learn if they are different. Lots of info on this site, different combos, chain lengths, chain/sprocket wear, etc. Load the rpm chart to see what rpm is at different speeds in different gears.

http://www.gearingcommander.com/
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Old 08-26-2013, 05:11 PM   #10632
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If you take the sprocket off and lay them both down flat, you'll quickly find that the sprocket you have (which is actually from the exc) is a couple of mm narrower (the spacer part, not the actual teeth). It doesn't matter how tight the bolt is done up, it's designed to only go so far and then get locked in place by folding the lock washer up. Find a sprocket that actly fits or a washer that will fit and act as the spacer. Or take it ur dealer and them uve got a broken bike

Quote:
Originally Posted by OneEffinName View Post
I find the gearing a little too tall for my gnarly backroads stuff so my easy option is a 14T front sprocket. I have a few of them in the box from my 350 excf and my old 450 excr.

I googled around and there is no rubber damped 14T, so guys are using the 14T from the exc bikes. Cool - I got those.

BUT when I mounted it and torqued up the bolt it does not tighten the sprocket down - it just "floats". Is this right? If so will it hit the swing arm? Its soooo close.

thanks!
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Old 08-26-2013, 06:14 PM   #10633
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Hi everyone,

I have the rally raid soft luggage rack:

http://www.rally-raidproducts.co.uk/...wolfman-coyote

I am wondering if there are any issues with fitting the wings exhaust underneath the luggage rack. Anyone know?
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Old 08-26-2013, 09:38 PM   #10634
DirtJack
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Originally Posted by OneEffinName View Post
I find the gearing a little too tall for my gnarly backroads stuff so my easy option is a 14T front sprocket. I have a few of them in the box from my 350 excf and my old 450 excr.

I googled around and there is no rubber damped 14T, so guys are using the 14T from the exc bikes. Cool - I got those.

BUT when I mounted it and torqued up the bolt it does not tighten the sprocket down - it just "floats". Is this right? If so will it hit the swing arm? Its soooo close.

thanks!
You've got to use the correct sprocket. Most KTM's compress an O ring under the bushing to seal the countershaft. With out the compression, you'll likely have a leaking countershaft.
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Old 08-27-2013, 03:23 AM   #10635
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i cannot find one in the parts catalogue (only 15, 16 and 17). Do you know any more details?

Thanks

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