Vertex Dirt Bike Replica Piston Kit for Yamaha

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 68 mm
• Displacement: 250 cc
• Piston Diameter: 67.950 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 68 mm
• Displacement: 250 cc
• Piston Diameter 67.940 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 66.400 mm
• Displacement: 250 cc
• Piston Diameter 66.340 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 66.400 mm
• Displacement: 250 cc
• Piston Diameter 66.350 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 54 mm
• Displacement: 125 cc
• Piston Diameter 53.940 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 55 mm
• Displacement: 125 cc
• Piston Diameter: 54.950 mm
• Size Over Standard: 1.00 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 56 mm
• Displacement: 125 cc
• Piston Diameter: 55.950 mm
• Size Over Standard: 2.00 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 54 mm
• Displacement: 125 cc
• Piston Diameter 53.950 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 54 mm
• Displacement: 125 cc
• Piston Diameter 53.960 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 47 mm
• Displacement: 80 cc
• Piston Diameter 46.950 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.5:1
• Cylinder Diameter: 92 mm
• Displacement: 400 cc
• Piston Diameter 91.930 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.5:1
• Cylinder Diameter: 95 mm
• Displacement: 426 cc
• Piston Diameter 94.930 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.5:1
• Cylinder Diameter: 77 mm
• Displacement: 250 cc
• Piston Diameter 76.940 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.5:1
• Cylinder Diameter: 77 mm
• Displacement: 250 cc
• Piston Diameter 76.950 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 13.5:1
• Cylinder Diameter: 77 mm
• Displacement: 250 cc
• Piston Diameter 76.950 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 13.5:1
• Cylinder Diameter: 77 mm
• Displacement: 250 cc
• Piston Diameter 76.960 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 13.8:1
• Cylinder Diameter: 77 mm
• Displacement: 250 cc
• Piston Diameter 76.950 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 13.8:1
• Cylinder Diameter: 77 mm
• Displacement: 250 cc
• Piston Diameter 76.960 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.5:1
• Cylinder Diameter: 95 mm
• Displacement: 450 cc
• Piston Diameter 94.930 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.5:1
• Cylinder Diameter: 95 mm
• Displacement: 450 cc
• Piston Diameter 94.940 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.5:1
• Cylinder Diameter: 97 mm
• Displacement: 450 cc
• Piston Diameter 96.930 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.8:1
• Cylinder Diameter: 97 mm
• Displacement: 450 cc
• Piston Diameter 96.950 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.8:1
• Cylinder Diameter: 97 mm
• Displacement: 450 cc
• Piston Diameter 96.960 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.8:1
• Cylinder Diameter: 97 mm
• Displacement: 450 cc
• Piston Diameter 96.950 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.8:1
• Cylinder Diameter: 97 mm
• Displacement: 450 cc
• Piston Diameter 96.960 mm

Features

Forged OE Replacement Piston

• Forged Replica pistons are forged OE replacements.
• Forged pistons are forged from 2618 aluminum for superior strength and durability.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: 12.8:1
• Cylinder Diameter: 97 mm
• Displacement: 450 cc
• Piston Diameter 96.970 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 43.500 mm
• Displacement: 65 cc
• Piston Diameter 43.450 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 43.500 mm
• Displacement: 65 cc
• Piston Diameter 43.460 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 47.500 mm
• Displacement: 85 cc
• Piston Diameter 47.440 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 47.500 mm
• Displacement: 85 cc
• Piston Diameter 47.450 mm

Features

Cast Replica OE Replacement Pistons

• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.
• All piston skirts are coated with a high-tech coating for faster break-in time and increased piston life.
• All pistons are heat treated with a T-5 hardening and tempering cycle.
• Kits include piston, rings, wrist pin and circlips.
• Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Technical Specifications

• Compression Ratio: STD
• Cylinder Diameter: 47.500 mm
• Displacement: 85 cc
• Piston Diameter 47.460 mm