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'Berg/KTM gear ratio comparison

Joined Apr 2005
134 Posts | 0+
Rodeo, California
I was wrong, sprockets weren't 16/40, manual is wrong. I pulled the rear & it's a 45, front is a 15, I should've looked before ordering. Anyway, I'll correct the numbers. Sorry for the misinformation!

After riding the bike the first time I noticed how tall it was geared. Did some comparing to the KTM 525 EXC I had. Here are the numbers I came up with, I'm going to replace the 45 rear with a 48.

Husaberg KTM

2.69 2.3 Primary
3.0 3.43 Secondary
8.07 7.89 primary & secondary

Stock overall
1 19.04 19.18
2 14.20 14.40
3 11.05 11.64
4 8.79 9.33
5 7.42 7.57
6 5.97 6.38

Trans. ratios
1 2.36 2.43
2 1.76 1.82
3 1.37 1.47
4 1.09 1.18
5 0.92 0.96
6 0.74 0.81

with 48 rear,(45 stock)
1 20.32
2 15.15
3 11.79
4 9.38
5 7.92
6 5.60
 
When I picked up my new FE650 I fitted a 48 rear which is what I was using on my 520. Thought they'd be similar.

Even with a 15 front it was way too low with no top end. Refitted the 45 rear and I'm now looking at a 16 front as well.

I do like fast flowing tracks. :D :D

Catch
 
The 550 comes with a 15/48 combo. I know this is irrelevant but oh well. I run a 14 front most of the time and it will still pull 160kph which is waaaaay faster than you need around here.

Changing gearing is easy and cheap :)
 
rancheroracer said:
Sorry, guys,I was wrong, should've got a clue from Chubba, sprockets weren't 16/40, manual is wrong. I pulled the rear & it's a 45, front is a 15, I should've looked before ordering. Anyway, I'll correct the numbers. Sorry for the misinformation!

After riding the bike the first time I noticed how tall it was geared. Did some comparing to the KTM 525 EXC I had. Here are the numbers I came up with, I'm going to replace the 45 rear with a 48.

Husaberg KTM

2.69 2.3 Primary
3.0 3.43 Secondary
8.07 7.89 primary & secondary

Stock overall
1 19.04 19.18
2 14.20 14.40
3 11.05 11.64
4 8.79 9.33
5 7.42 7.57
6 5.97 6.38

Trans. ratios
1 2.36 2.43
2 1.76 1.82
3 1.37 1.47
4 1.09 1.18
5 0.92 0.96
6 0.74 0.81

with 48 rear,(45 stock)
1 20.32
2 15.15
3 11.79
4 9.38
5 7.92
6 6.37 (corrected)
 

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