Piston pack for Bonneville from Norman Hyde
Following the successful introduction of his replacement pistons for Triumph T160/180 Trident engines, Norman Hyde has commissioned a production run of pistons to fit T120 and T140 model Bonnevilles.
Hyde, who was a development engineer working on both 650cc and 750cc twins at the Triumph factory in Meriden, had the new pistons made to the original drawings, but using modern materials with more precise tolerances for both pistons & rings.
Available in 71mm diameter, for the 650cc T120 Bonneville and TR6 Trophy, and 76mm to fit 750cc T140 and TR7 machines, the pistons are designed for motorcycles running standard compression (9:1 for the 650cc and 8.6:1 for the 750cc models).
For customers whose bikes have been re-bored, Hyde offers +.020" and +.040" sizes.
Each kit contains two pistons, with rings, pins & circlips, and retails for £151.99 including VAT (£125.99 ex VAT).
Call 01926 832345 or visit www.normanhyde.co.uk for more information.