Wiseco Forged Series Piston Kit with Gaskets - Honda XR250R/XR250L (1986-2004) - 74.00mm Bore (+1.00mm Oversize) - 4-Stroke

Wiseco Forged Series Piston Kit with Gaskets - Honda XR250R/XR250L - +1.00mm Oversize

Premium Wiseco Forged Series piston kit with complete gasket set for Honda XR250R and XR250L off-road/dual-sport bikes. This is the +1.00mm OVERSIZE (74.00mm) kit for worn cylinders!

⚠️ Oversize Piston - Cylinder Boring Required

This piston is +1.00mm oversize. Cylinder boring to 74.00mm is required for proper fit. Cylinder sleeves must be purchased separately if needed.

Kit Includes

• Forged Series Piston
• Ring Set
• Wrist Pin
• Circlips
• Complete Gasket Set

Key Features

• Forged Series - premium 2618 aluminum alloy construction
• High-strength forging for demanding 4-stroke applications
• 10.5:1 compression ratio
• Complete top-end gasket kit included
• Dual model fitment - XR250R and XR250L
• 19 years of fitment (1986-2004)!

Ring Style Note

Correct replacement ring style is stamped on the dome of piston. Example: "C" for "XC", "G" for "XG" and "H" for "XH". Wiseco ring types are not interchangeable.

Piston Specifications

• Bore Size: 74.00 mm (+1.00mm Oversize)
• Piston Diameter: 73.95 mm
• Stroke Length: 59.50 mm
• Compression Ratio: 10.5:1
• Material: 2618 Aluminum Alloy
• Skirt Coating: Non-Coated

Engine Specifications

• Displacement: 250cc
• Engine Type: 4-Stroke
• Weight: 1.25 lbs

Fitment

• Honda XR250R: 1986-2004
• Honda XR250L: 1991-1996