Pistons - Differences YOU Need To Be Aware OfTech Talk Page

www.norvilmotorcycle.co.uk

When rebuilding your Norton, you may find yourself in need of a new set of pistons.  Simply choosing a piston based on price is a mistake that may prove costly in the long run.  Pictured below are the three most common types used in Nortons' - the choice is yours.

Inferior Type

We will not supply this type of weak piston
Combat Type

Much stronger than the inferior type
Powermax Type

Much strongest than either of the other types
Inferior Type
Huge cut is clearly visible
Combat Type
Much smaller cutouts than inferior type
Powermax Type
No cutouts, just small circular holes which make this piston much stronger than the other two types

Page last updated 27/06/07