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ducatipaso.org :: View topic - Front forks and geometry
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Front forks and geometry
http://www.ducatipaso.org/forum/viewtopic.php?f=3&t=3863
Page 1 of 1

Author:  romus [ Sun Jan 17, 2010 11:13 pm ]
Post subject:  Front forks and geometry

Could anyone provide some measurements related to the 907ie forks.

I have put 907ie swingarm on a 906 as well as tryign to keep 16" front wheel with higher profile trye. I am questioning how much I dropped/lengthenned the 906 forks - don't want speed wobble! I want to match the 907ie balance.

Would be helpful to have these measurements, which I cannot find in the manuals:
1. distance from bottom of handle bar tripple tree to centre of front axle.
2. distance from centre of front axle to ground
3. distance form centre of rear axle to ground
4. any rake angle info different than 906 if you know it. I think 907 is the same frame as 906, so in my thinking if I get 1-3 same measurements are the 907ie then it will be good.

Thanks a lot for any help.

Author:  ducbertus [ Mon Jan 18, 2010 11:48 am ]
Post subject:  Re: Front forks and geometry

Hi Romus,

I found the next measurements on my 907.
1) centre front axle- underside topclamp ± 780 mm
2) centre front axle - ground ± 288 depending on tire pressure, tire load, wear of the tire.
3) centre rear axle - ground ± 305 depending on ... etc., etc.
4) I'm not sure, but I think the angle rake is the same.

If necessary you can make longer nuts on the top of the tubes, like in the old Honda MT time.
Ducbertus

Author:  ducbertus [ Mon Jan 18, 2010 11:49 am ]
Post subject:  Re: Front forks and geometry

Hi Romus,

I found the next measurements on my 907.
1) centre front axle- underside topclamp ± 780 mm
2) centre front axle - ground ± 288 depending on tire pressure, tire load, wear of the tire.
3) centre rear axle - ground ± 305 depending on ... etc., etc.
4) I'm not sure, but I think the angle rake is the same.

If necessary you can make longer nuts on the top of the tubes, like in the old Honda MT time.
Ducbertus

Author:  romus [ Mon Jan 18, 2010 3:27 pm ]
Post subject:  Re: Front forks and geometry


Author:  ducbertus [ Mon Jan 18, 2010 6:32 pm ]
Post subject:  Re: Front forks and geometry

Yes, because I couldn't measure the total lenght of the legs accurately. the handlebars, covering the top of the leg prevents that
so, the underside of the upper triple clamp was the easiest for me.

Ducbertus

Author:  romus [ Tue Jan 19, 2010 12:28 am ]
Post subject:  Re: Front forks and geometry


Author:  lofty 36 [ Mon Jan 25, 2010 7:56 am ]
Post subject:  Re: Front forks and geometry

Hi There

I have a 906 and 907 and the 907 forks are 10mm longer

Hope that helps not home for around a week but i'm happy to give you the mesurments on my return

Cheers Peter

Author:  biffo [ Mon Jan 25, 2010 8:17 pm ]
Post subject:  Re: Front forks and geometry

hi romus as said before the 907 has 10mm longer forks i have a 906 which i converted 6 years ago to inch rear with 907 swing arm no probs has still 16 front very stable she is out to 944 and injected running a power commander best way to go best of luck Tim ps have a 907 not as stable

Author:  romus [ Tue Jan 26, 2010 3:12 pm ]
Post subject:  Re: Front forks and geometry


Author:  paso750 [ Tue Jan 26, 2010 4:12 pm ]
Post subject:  Re: Front forks and geometry

do 906 and 907ie shock have the identical length ?! Just wondering.

Author:  biffo [ Fri Jan 29, 2010 9:28 am ]
Post subject:  Re: Front forks and geometry


Author:  ducbertus [ Sat Feb 06, 2010 10:51 pm ]
Post subject:  Re: Front forks and geometry

Hi Paso 750,

yes, as far as I know these are the same.

ducbertus

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