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Old 12-01-2012, 11:05 PM   #1
shark93 OP
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Gearing. Ktm 450 Exc

Hey guys, Need some experience here. I have an 2006 Ktm 450 exc, very happy with it Ive just got a question about the gearing.

I had a 14/52 setup on there, was changed to 14/49. Feels a bit different to ride and it hates going on the back wheel now. What do you guys suggest running, I do mostly fire-trails and single track in pretty hilly country.
I looked up ratios
14/52 is 3.71
14/49 is 3.50

So Im guessing the bigger on the back means it slows you down but increases snappyness? I don't really do much road work so having a lower top speed wont worry me one bit, even 120 will be fine. At the minute 140 isnt a problem to get to but i dont really need that excessive speed, rather use the power elsewhere

Thanks
Tom
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Old 12-01-2012, 11:26 PM   #2
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Yes that is my experience too. For tight trails I like to gear them down so I can walk alongside the bike without slipping the clutch. As long as top gear still works OK. Although sometimes that makes 2nd gear too low for normal slow trails, but 3rd gear too high. Depends on the gear spacing and how fast you ride.
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Old 12-01-2012, 11:39 PM   #3
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I ran 13/50 and was very happy. 1st gear was slower than walking speed up to triple digits in 6th gear.
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Old 12-01-2012, 11:52 PM   #4
shark93 OP
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13/50 would be close to 14/52 yeah?

So Would it be worth going upto 53? At the minute on a nice long fast hill climb, 3rd gear does really well, but once i click into 4th she just cant hold the revs and I'm back into 3rd again, Changing back should help this right?

I had the top end rebuild, so I haven't ridden it on 14/52 with the new power.
Cheers
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Old 12-02-2012, 12:33 AM   #5
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Quote:
Originally Posted by shark93 View Post
13/50 would be close to 14/52 yeah?

So Would it be worth going upto 53? At the minute on a nice long fast hill climb, 3rd gear does really well, but once i click into 4th she just cant hold the revs and I'm back into 3rd again, Changing back should help this right?

I had the top end rebuild, so I haven't ridden it on 14/52 with the new power.
Cheers
I wouldn't be afraid to hit the rev limiter in 3rd. Fuck, I don't think I ever have on mine.....scary proposition.
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Old 12-02-2012, 01:41 AM   #6
shark93 OP
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haha slighty confused by what you mean there?
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Old 12-02-2012, 02:06 AM   #7
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Meaning I haven't met a hill in existence that an RFS bike would not wheelie up in 3rd gear. Don't be afraid to get those revs up.
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Old 12-02-2012, 02:29 AM   #8
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Great thread,Thank you to all those who posted...., keep them coming : )

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Old 12-02-2012, 02:34 AM   #9
shark93 OP
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haha im going to blame to gearing it hates going on the back wheel now. maybe in 3rd if I really give it heaps.
maybe I should goto 13/50. instead of 14/52
excuse my lack of knowledge, but having an RFS bike is a good thing?

13/50 =3.846
14/52 =3.710

So 13/50 is goign to be very nice, you would recommend it ?

shark93 screwed with this post 12-02-2012 at 02:42 AM
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Old 12-02-2012, 09:47 AM   #10
Moto Vaquero
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A 13t front will wear your chain slider out much more rapidly than the 14. The 14-52 is a good all around combo for the 450. 14-50 for the 525.
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Old 12-02-2012, 11:19 AM   #11
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14/52 will work perfect
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Old 12-02-2012, 08:32 PM   #12
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This thread is timely! I am picking up a '06 450 exc tomorrow. It will be interesting to see what sprockets it has right now.
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Old 12-08-2012, 05:41 PM   #13
shark93 OP
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Hey, Cheers Guys ill take that into consideration. Im going to buy a few cheap sprockets and give them a go till i find whats nice, Would I be silly going say 14/53 or so, Really after the down low grunt,

2Stamp, What did the Bike come with ? How do you Find it?

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Old 12-10-2012, 08:45 PM   #14
2Stamp
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It has a 14/50 setup. the numbers will be scribed somewhere on the sprocket. You might need to clean the grime off them to read.
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