• Who do people recommend for getting the 3mb cylinder ported and 3bn head derestricted I've heard about mick abbey but don't know if anyone knows anyone else thanks jimmy

  • I used Mick Abbey for a seamless transaction, but without before and after dyno results, it's very hard to tell where the power was made and/or lost.

  • Fahron Engineering.

    I believe his name is Ron Philips, based in Linby , Nottingham. He usd to tune and make his own kits for the RD400s, he sorted my barrel and head when the head got warped and sorted the squish band out ect. Not missed a beat yet.