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DT125R Forum -> CYLINDERS -> top end set up question
Post Info TOPIC: top end set up question
sebamax2


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hi guys i just want to confirm if there is everyhing ok with my setup

the bike is a dt 125 x 2005 it came with a 3mb barrel and 3bn head on it running a tzr piston. 

 

would i be better of switching to 3mb head aswell or is it good how it is now?



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Energized


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Yeah better squish on the 3MB so go for that.



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Calum122


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And are the TZR pistons flat topped or domed?

If they're flat top then you're essentially mission out on key compression. Switching to a domed piston will see power gains. That's bizarre to see a DTX with a 3BN head. Must have been added after. MAKE SURE YOU GET YOURSELF A GENUINE HEAD GASKET! Can't stress that one enough.

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sebamax2


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i think they are the same as dtr pistons just different in size. can i use the 3bn for now untill i get the other one?

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