| Size | 67.5mm |
|---|---|
| Product Type | Pistons & Kits |
| Product Group | Engine |
| Catalogue | ATV, DIRT |
| Piston Diameter | 67.50 |
| Bore Diameter | |
| Piston Grade | |
| Compression Ratio |
PISTON KIT 84-85 CR250 67.50, WOSSNER 8156D150 HONDA MX
This Wossner piston kit is designed for Honda CR250R and ATAC250 models from 1984 to 1985, featuring a 67.50 mm bore and an actual piston diameter of 67.44 mm. Forged in Germany, the piston is built for strength and optimised for efficient heat transfer from the combustion chamber to the cylinder walls. The elliptical design ensures a uniform bearing surface during thermal expansion, helping to evenly distribute thrust loads and minimise the risk of piston failure.
Features
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Forged construction for enhanced durability
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Designed for effective combustion chamber heat dissipation
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Elliptical profile promotes even load distribution
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Manufactured in Germany
Specifications
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Bore size: 67.50 mm
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Actual piston diameter: 67.44 mm
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Display (cm³): 246
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Stroke: 72.00 mm
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Clearance: 0.06 mm
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Compression height: 38.00 mm
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Wossner compression ratio: 2-stroke
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OEM compression ratio: 2-stroke
Cross-Reference OEM Part Numbers
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Wossner Piston Part Number: 8156D150
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Lock Part Number: CW18
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Pin Part Number: WP033
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Ring Set Part Number: RSB6750
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Alternate Part Number: 56-W526.P6.WO
Vehicle Fitments
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Honda CR250R 1984
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Honda CR250R 1985
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Honda ATAC250 1984
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Honda ATAC250 1985
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Honda ATC250R 1985
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Honda ATC250R 1986
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Honda TRX250R 1985
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Honda TRX250R 1986
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