The service we are offering is as follows, you send your barrel to us, we check for damage and re-bore to desired piston bore size (quality control checked). It is then carefully packed and sent directly back to you.

Turnaround time is roughly 2-3 weeks. In some cases, it may take longer. This is out of our control.

Failure to send cylinder complete with information will result in delays.

What does this service include?

  • The barrel will be checked for wear and damage

  • It will then be re-bored to a size of your choosing, to fit the piston you have chosen (Mitaka, Wossner and ProX piston kits are available)


Our Prices:

Re-bore ONLY: £65.00

Removal of powervalve or head: £20-30 to take apart, £20-30 to clean & put back together.

Why should you use our company?

  • Our company was established in 1990 and we now have over 20 years experience in motorcycle engineering!
  • We employ factory trained mechanics
  • All work carried out by us is guaranteed to be of the highest standard
  • We are home to a large parts & accessories shop
  • All parts we supply are stocked & ready to be shipped
  • We have a telephone helpline where you can speak to our trained technicians
  • We have a full engineering workshop with qualified engineers
Please Note: When you send your barrel to us, please ensure that you send with it your personal contact details (i.e. contact telephone number, e-mail address, return address, model and year of manufacture of bike and the services you wish to be carried out etc). Alternatively, you can telephone us or e-mail us prior to your barrel's arrival.