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  # 10  
Old 12-07-13, 01:49
Svenne100 Svenne100 is offline
Newbie XT-Moto
 
Join Date: Apr 2013
Location: Sweden
Posts: 4
Svenne100 is on a distinguished road
Quote:
Originally Posted by Kev View Post
When I ported my XT660 head I removed all the big lips under the seats, flowed & polished the intake & exhaust ports. If you are going to port your motor you will need a custom Power Commander map.
Ok, that's the answer I wanted. The problem is that PC + bench mapping costs around 600 Euro in Sweden..

Btw, intake ports should not be polished, preferably they should have a rough surface!

Thanks for the airbox tips!