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Old 03-04-2014, 03:45 PM   #16
JoeShoreline OP
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Quote:
Originally Posted by DirtJack View Post
16/45 is what I used to run on my 2007 990. Worked great there. Probably will work even better on the 1190R.

This program assumes an 18" rear wheel. One of its inputs needs to be changed for the outside circumference of the 17" rear wheel if you have an 1190 Adventure. The value you input is 10 times the circumference in mm. In the example I used

circumference=21270

was for the 18" wheel. All these input values show up on the browser URL line and can be edited in the usual way on what ever computer/phone/pad you use.
Dirt Jack have the exact same bikes as you have right now . In my opinion some of the best in the world right now. I also have a 500 Exc which would definitely be a good addition to your collection. 1190r 690r 300xc500exc it doesn't get much better than that.
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Old 03-04-2014, 05:23 PM   #17
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Originally Posted by JoeShoreline View Post
Dirt Jack have the exact same bikes as you have right now . In my opinion some of the best in the world right now. I also have a 500 Exc which would definitely be a good addition to your collection. 1190r 690r 300xc500exc it doesn't get much better than that.
I've actually thought about adding a 500 that is tempting me on the Dealer's showroom floor.
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Old 03-08-2014, 01:09 PM   #18
ridewestKTM
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confirmed?

Quote:
Originally Posted by DirtJack View Post
Ok, so http://www.cs.trinity.edu/~jhowland/...00&final=17r42 is a link to compute:

Speed table for 2014 KTM 1190R

Primary drive ratio = 40r76

Rear Wheel Circumference = 2127 mm

Gear ratios = 12r35 15r32 18r30 20r27 24r27 27r26

RPMs = 1000 1500 2000 3000 4000 5000 6000 7000 8000 9000

Final drive ratio = 17r42



_ 1000 1500 2000 3000 4000 5000 6000 7000 8000 9000
1 6 9 12 17 23 29 35 41 46 52
2 8 12 16 24 32 40 48 55 63 71
3 10 15 20 30 41 51 61 71 81 91
4 13 19 25 38 50 63 75 88 100 113
5 15 23 30 45 60 75 90 105 120 135
6 18 26 35 53 70 88 105 123 140 158



So at idle (1500 rpm) your scooting along at 9 mph. Lot's of clutch slipping on single track.

You can copy/paste the above link and edit the very last entry 17r42 to what ever final gearing you want to use (say 16r45) to see what speeds you get with that gearing.

16/45 final gearing.

The top to bottom ratio seems to small for a 6 speed bike of the size. Have you confirmed the numbers with a test?
By the numbers (I got them too so I am not sugesting your records) top to bottom is 2.8:1 for comparison the 950/990 is 3:1. I was surprised by the published numbers so I thought I'd ask.
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Old 03-08-2014, 01:48 PM   #19
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Originally Posted by ridewestKTM View Post
The top to bottom ratio seems to small for a 6 speed bike of the size. Have you confirmed the numbers with a test?
By the numbers (I got them too so I am not sugesting your records) top to bottom is 2.8:1 for comparison the 950/990 is 3:1. I was surprised by the published numbers so I thought I'd ask.
It's pouring rain here and I don't have a seat for my bike, so no, I haven't checked them recently.

I just copied the numbers for the ratios out of my 1190R manual. Just double checked to insure that there were no typos. The only value which might be in dispute (but wouldn't affect the ratio spread) is the outside circumference of the OEM rear tire (I didn't measure that, but will do it now). My TrailAttack 2 measures 82.125 in = (about) 2086 mm.

So http://www.cs.trinity.edu/~jhowland/...00&final=17r42 is a revised link to show slightly lower speeds for the measured circumference of a TrailAttack 2 rear.


Speed table for 2014 KTM 1190 R
Primary drive ratio = 40r76
Rear Wheel Circumference = 2086 mm
Gear ratios = 12r35 15r32 18r30 20r27 24r27 27r26
RPMs = 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 9500
Final drive ratio = 17r42

_ 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 9500
1 6 9 11 14 17 20 23 26 28 31 34 37 40 43 45 48 51 54
2 8 12 16 19 23 27 31 35 39 43 47 50 54 58 62 66 70 74
3 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 84 89 94
4 12 18 25 31 37 43 49 55 61 67 74 80 86 92 98 104 110 117
5 15 22 29 37 44 52 59 66 74 81 88 96 103 110 118 125 133 140
6 17 26 34 43 52 60 69 77 86 95 103 112 120 129 138 146 155 163
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Old 03-08-2014, 03:23 PM   #20
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Thanks

It's nice seeing riders taking an analitical view.
I found the same numbers I know it wasn't a typo.
I really like wide spread gearboxes. I find my 950's a bit short of range. So I have two sprockets. Just can't quite get then to swap by moving the shifter.
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Old 03-08-2014, 03:42 PM   #21
DirtJack
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The 1190 motor seems to pull really high gearing really well. The beauty of closer ratios is that when you shift you are always right where you want to be on the power curve. When you do slower dirt, you need lower overall gearing. I used to run 16/45 on my 990 and really liked that. I will probably change to that for the 1190 also.
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Old 03-09-2014, 07:45 AM   #22
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hehe, there is an easy way to check the various ratios for sprockets.

This site: http://www.gearingcommander.com/ provides a great tool!




Quote:
Originally Posted by DirtJack View Post
Ok, so http://www.cs.trinity.edu/~jhowland/...00&final=17r42 is a link to compute:

Speed table for 2014 KTM 1190R

Primary drive ratio = 40r76

Rear Wheel Circumference = 2127 mm

Gear ratios = 12r35 15r32 18r30 20r27 24r27 27r26

RPMs = 1000 1500 2000 3000 4000 5000 6000 7000 8000 9000

Final drive ratio = 17r42


_ 1000 1500 2000 3000 4000 5000 6000 7000 8000 9000
1 6 9 12 17 23 29 35 41 46 52
2 8 12 16 24 32 40 48 55 63 71
3 10 15 20 30 41 51 61 71 81 91
4 13 19 25 38 50 63 75 88 100 113
5 15 23 30 45 60 75 90 105 120 135
6 18 26 35 53 70 88 105 123 140 158


So at idle (1500 rpm) your scooting along at 9 mph. Lot's of clutch slipping on single track.

You can copy/paste the above link and edit the very last entry 17r42 to what ever final gearing you want to use (say 16r45) to see what speeds you get with that gearing.

16/45 final gearing.
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Old 03-09-2014, 08:28 AM   #23
ridewestKTM
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Pulling tall gearing

Quote:
Originally Posted by DirtJack View Post
The 1190 motor seems to pull really high gearing really well. The beauty of closer ratios is that when you shift you are always right where you want to be on the power curve. When you do slower dirt, you need lower overall gearing. I used to run 16/45 on my 990 and really liked that. I will probably change to that for the 1190 also.
Good to know. I feel the 950 gets away with not-so-wide gearbox for the same reason, pulls low rpm better than expected. The one time it "flamed out" I dropped it - I hate it when that happens. Yes it was my fault but still..

thanks for the chat - perhaps we can get a ride together - I'm in Katy
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Old 03-09-2014, 09:36 AM   #24
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If you want longer life on the front keep it 17 and adjust at the rear.
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Old 03-09-2014, 11:13 AM   #25
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Quote:
Originally Posted by Barekat View Post
hehe, there is an easy way to check the various ratios for sprockets.

This site: http://www.gearingcommander.com/ provides a great tool!
Yea, this is a similar tool I hacked together which will work for any bike if you know the ratios and circumference of the rear wheel. Plus you can do it all your self. After you enter the ratios, that information is contained on the browser URL line and you can edit the information to change ratios without retyping everything. You can also bookmark the URL to save a gearing setup. The final drive ratios are at the end of the line, (select all on the browser URL line, right arrow) gets you there quickly. Compute in good health.
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DirtJack screwed with this post 03-13-2014 at 06:36 PM
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Old 03-09-2014, 11:42 AM   #26
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Quote:
Originally Posted by ridewestKTM View Post

thanks for the chat - perhaps we can get a ride together - I'm in Katy
Don't get over your way often on a bike, but when I do, I'll let you know.
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Old 03-09-2014, 11:57 AM   #27
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Don't Come here!

Quote:
Originally Posted by DirtJack View Post
Don't get over your way often on a bike, but when I do, I'll let you know.
There's nothing here to ride - let me know when you're gona go and want company.
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Old 04-21-2014, 04:55 AM   #28
breakfastbuddy
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here is the speed in Km/t

at 5000rpm i had 1-47 km/t , 2-63km/t, 3-75km/t, 4-95km/t, 5-116km/t, at 6 i had 108 km/t at 4000 rpm and this is a standard 1190 R With standard sprockets

breakfastbuddy screwed with this post 04-21-2014 at 05:04 AM Reason: missunderstood , kmt and miles
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Old 04-21-2014, 04:27 PM   #29
ABuck99
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Is there enough room to slide the chain off the front CS with out breaking the chain?

Quote:
Originally Posted by DirtJack View Post
42 42 44 45 % 17 16 17 17
2.47059 2.625 2.58824 2.64706

Here are the ratios, stock 17/42, 16/42, 17/44, 17/45

Hard to notice the difference between 16/42 and 17/45. Nice that all of these can be done with the standard chain. IMO, changing the front is easier than the rear.
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Old 04-21-2014, 04:49 PM   #30
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Gear Commander is your friend.

If not already posted somewhere.

Let the web site do the math.
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