Triumph Thunderbird 1700 Big Bore
Triumph will be doing a limited run of factory-fitted 1700c big-bore kits for the Thunderbird that are normally available as retro-fit parts. The 1700cc kit consists of new pistons, liners, camshafts and up-rated clutch springs and lifts power from 85bhp to 97bhp with torque rising from 106ft lb to 115ft lbs. |