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-   -   MP7.5 weird problem (https://www.rctech.net/forum/nitro-off-road/334639-mp7-5-weird-problem.html)

dakamat 10-10-2009 03:55 PM

MP7.5 weird problem
 
This is my first Kyosho buggy, i've bought it use but in great shape.

I have run it today for the first time, and each time that i do some little cartwheel, the rear right drive shaft pop out of the diff outdrive.
So i've look at it closely and when i fully compress the rear suspension, the right rear drive shaft exit by about 1mm the outdrive, and the left one stay about 1mm in the outdrive:weird:

I realy don't know why the left and right side don't work the same way.
All the setup is the same on left and right.

Look like if the only way to solve it was to limit the shock travel by about 5mm.

Is somebody have ever had this trouble:confused:

Thank you!

David

houston 10-10-2009 04:08 PM


Originally Posted by dakamat (Post 6455929)
This is my first Kyosho buggy, i've bought it use but in great shape.

I have run it today for the first time, and each time that i do some little cartwheel, the rear right drive shaft pop out of the diff outdrive.
So i've look at it closely and when i fully compress the rear suspension, the right rear drive shaft exit by about 1mm the outdrive, and the left one stay about 1mm in the outdrive:weird:

I realy don't know why the left and right side don't work the same way.
All the setup is the same on left and right.

Look like if the only way to solve it was to limit the shock travel by about 5mm.

Is somebody have ever had this trouble:confused:

Thank you!

David

answered your pm david

tony montana 10-10-2009 04:12 PM

I had the same problem with my old k3. I believe what I did was but front universals in the rear

dakamat 10-10-2009 04:30 PM

Why? the front one is longer than rear one??

dakamat 10-10-2009 04:43 PM

OK i've take a look at the front and rear axle, the front is 90.7mm and the rear is 89.5mm.

Is this little difference could make the difference:weird:

houston 10-10-2009 04:44 PM


Originally Posted by dakamat (Post 6456046)
OK i've take a look at the front and rear axle, the front is 90.7mm and the rear is 89.5mm.

Is this little difference could make the difference:weird:

yep

dakamat 10-12-2009 05:09 PM

I have solve the problem, i had my Ofna DM-1 laying aroud and i've take a front universal on it, and it was about 3 mm longer than my Kyosho one.
Put it one and all is very good.:nod:


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