Wiseco 4773M05800 Piston for Honda XR100 1985-2003 and CRF100F 2004-2009

Forged from high-silicon aluminum alloy for maximum strength and dependability.

Innovative forging design and piston skirt provide maximum horsepower and torque.

Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).

Oversize pistons require cylinder sleeving.

Upgrade the engine of your compatible Honda motorcycle with the Wiseco 4773M05800 piston. Designed for Honda XR100 models from 1985 through 2003 and Honda CRF100F models from 2004 through 2009, this piston is built to support dependable engine performance and consistent operation. The 2283XE piston configuration provides a purpose-fit replacement option for riders, technicians, and powersports professionals restoring or servicing these popular four-stroke motorcycles.
Wiseco is recognized for manufacturing high-quality performance engine components, and the 4773M05800 piston reflects that focus on precision and durability. It is intended to replace a worn or damaged piston during an engine rebuild, helping restore proper compression and reliable power delivery when installed with the appropriate supporting components. Verify model year, engine specifications, and required installation parts before beginning service to ensure compatibility.
This piston is supplied as an individual unit and is suitable for professional installation by a qualified technician familiar with Honda single-cylinder motorcycle engines. Follow the motorcycle manufacturer’s service procedures for piston preparation, ring installation, clearances, lubrication, and break-in. The Wiseco 4773M05800 provides a reliable solution for maintaining or rebuilding compatible Honda XR100 and CRF100F engines.

Features:

• Brand: Wiseco

• Part Number: 4773M05800

• Piston Configuration: 2283XE

• Application: Honda XR100, 1985-2003

• Application: Honda CRF100F, 2004-2009

• Quantity: 1 piston

• Installation: Professional installation recommended