Does anyone know the sizes of the two bearings that go into the Sirio power clutch?

I have mis-placed mine and can't find the size of the two bearings to replace them.

Thanks.

Do you mean power clutch for .12 engine?

The bearing size in clutch bell is:-
Small one: 8 x 5 x 2.5 mm
Big one: 10 x 5 x 4mm

Hope this helpful. :nod:

Got it from Italy. More pictures of xXx here. :tire:

More picture.

Excellent, thank you.

Have you tried it yet? Where do you race? What country is Austrilia? :D:D:D

does anyone know how it performs compared to the Evo 4.

Anyone know if this new Sirio XXX has any teflon coating? Doesn't look to different from the Evo 4 STI.

Oops! thanks for advise. :sweat:

Hello, are you mean the back plate on engine? I know only EVO3 Sti have Teflon coating on back plate.

Con-rod and pin is compatible with EVO4. Not sure crankshaft have any modifiy compare Evo4.

Piston and cylinder is changed, case have back coating with some modified. We can say this is Evo 4.5?? :spidey:

One special thing is the Exhaust is new model in the kit.

Hope this helpful. :smile:

From the pictures it looked like the Sirio 2611 that ran at the worlds (fat exhaust tip) that can not be ran in events anymore. This exhaust is not new.

Hi, where on-line shop I can find S12-T3 I STI EVO3 rear (main) bearing? Thank you!

yes the rod ,piston ,sleeve, back plate and crank are the same as evo 4 and sti version, the only difference is the crank case is coated and the head button is different , probably to get a better seal ( similar to the R3 RB head button) and the crank case has some extra cooling holes drilled into the fins,and also comes with ceramics same as the sti,
and that pipe has been around for a while now ,
and xxx sounds much better:D

B3 help
 

Can any of you Sirio (Werks) guys help me out. Is the head bolt pattern the same as a Novarossi or Picco. I want to get the Trinity Phatt Head for the motor because they are only $35 but they only sell them for Novarossi, Picco,and OS. The guy at osrocketracing.com said his heads would fit but they are $65. This is for a B3, I just want more cooling than the little 8 fin head the motor comes with. Thanks for your help. PS This is for Buggy

XXX engine is available in the USA now. I got one today.