PISTON KIT 73.50mm 1978-1981 SUZUKI GS1000 WISECO 4066M07350

Forged piston kit sized at 73.50 mm to increase displacement to approximately 1100 cc when used as a complete set of four. Designed with a 10.25:1 compression ratio, each single-cylinder kit includes piston, ring set, wrist pin and circlips, and requires cylinder boring to suit the oversize.

Features

• Forged aluminium construction for strength under sustained thermal load


• Dedicated ring pack for the 73.50 mm bore size


• Supplied with piston, rings, wrist pin and circlips

Specifications

• Bore size: 73.50 mm


• Oversize: +3.50 mm over standard 70.00 mm


• Compression ratio: 10.25:1


• Engine configuration reference: Air-cooled inline-four


• Stroke: 64.80 mm (reference for displacement calculation)


• Resulting displacement (set of four): approximately 1100 cc


• Installation note: Cylinder boring and correct piston-to-bore clearance required

Vehicle Fitments

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  Suzuki GS1000 1978–1981