Wiseco Std Piston Crankshaft Gasket Set 78.00 mm for Honda CRF250R 2004-2007 12.

Wiseco Std Piston Crankshaft Gasket Set for Honda CRF250R

This Wiseco Std Piston Crankshaft Gasket Set is a complete engine rebuild package for the Honda CRF250R, pairing a 78.00 mm standard bore piston at 12.9:1 compression with a matched crankshaft and full gasket set.

Overview

This Wiseco Std Piston Crankshaft Gasket Set supplies the main rotating and sealing parts for rebuilding a 250 four-stroke motocross engine. The 78.00 mm piston at 12.9:1 compression brings displacement and combustion pressure back to stock spec, and the crankshaft and gasket set cover the bottom end. It suits riders and mechanics rebuilding the Honda CRF250R.

Built For Performance

• 78.00 mm standard bore piston sized for OEM-spec cylinder dimensions
• 12.9:1 compression ratio for reliable factory-class power
• Forged piston construction for high-rpm durability
• Matched crankshaft for balanced bottom-end operation
• Complete gasket set covering the rebuild sealing points
• Kit format saves time sourcing individual engine components

Fits These Machines

• for Honda CRF250R 2004-2007

On-The-Job Use

• Full engine rebuild after a top or bottom end failure
• Refreshing a high-hour race bike before the season
• Restoring compression on a tired 250 four-stroke
• Shop service work on CRF250R engines

Specs At A Glance

Good To Know

Q: Is this an original Honda part? A: No, it is a Wiseco rebuild kit. It is designed as a replacement for the listed CRF250R models.

Q: Do I need to measure my cylinder before ordering? A: Yes, the 78.00 mm piston is a standard bore size, so confirm your cylinder is at stock dimensions and in spec before assembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.