Big Bore Kit
For conversion of all R100 models after 1981 to 1070 cc
For easy and effective conversion of all R100 models (GS, R, RS, RT, CS), 1981 or later, from 1000 cc to 1070 cc.
Contents:
- two nicasil-coated cylinders, each with pressed-in push-rod tubes made of stainless-steel
- two molybdenum-coated weight-optimised pistons, 428 g each
- two sets of high-quality piston rings
- two piston pins with circlips
- two high-tensile connecting rods (150 mm, forged) with original screws
- an asymmetrical high-torque camshaft EM2V1
- complete set of gaskets (engine and camshaft)
- installation instructions