There comes a time in an engines life when it will require reboring or relining. This operation is called for when the engine has lost power due to the piston ring to cylinder clearance exceeding there maximum operating limits. The first po

What types of four stroke lubrication systems are there?  There are four main types that are used on four stroke motorcycle engines: The  splash or spray system The total loss system The dry sump system The wet sump system 1. The splash or

Finally I have reached the stage of reconstruction. The frame has returned from the painters (‘Full Range Finishes’ – Letchworth) and the swinging arm freshly chrome plated (‘Doug Heath’ – Baldock). First