

Hero image 0 of Piston Kit 0.25mm Oversize 71.25mm Bore Compatible with 1985-1987 Honda ATC250ES Big Red ATC250SX 3-Wheeler TRX250 FourTrax 250 246cc Air-Cooled OHC 4-Stroke Rings Pin 13102-HA0-305, 0 of 1
Piston Kit 0.25mm Oversize 71.25mm Bore Compatible with 1985-1987 Honda ATC250ES Big Red ATC250SX 3-Wheeler TRX250 FourTrax 250 246cc Air-Cooled OHC 4-Stroke Rings Pin 13102-HA0-305
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Key item features
- Rareelectrical Compatible With Honda
- Honda Atc250es / Atc250sx / Trx250 Applications (1985-1987): Honda Atc250es Big Red (1985-1987): • Honda Atc250es Big Red 3-Wheeler (1985) • Honda Atc250es Big Red 3-Wheeler (1986) • Honda Atc250es Big Red 3-Wheeler (1987) Honda Atc250sx (1985-1987): • Honda Atc250sx 3-Wheeler (1985) • Honda Atc250sx 3-Wheeler (1986) • Honda Atc250sx 3-Wheeler (1987) Honda Trx250 Fourtrax 250 (1985-1987): • Honda Trx250 Fourtrax 250 (1985) • Honda Trx250 Fourtrax 250 (1986) • Honda Trx250 Fourtrax 250 (1987) Engine Specifications: • Standard Bore: 71.00Mm (2.795") • Oversize Bore: 71.25Mm (0.25Mm Os) • Displacement: 246Cc • Engine Type: Air-Cooled 4-Stroke Ohc Single Cylinder • Material: Cast Aluminum With Mos2 Coating Oem Piston Part Numbers: • 13101-Ha0-305 (Standard) • 13102-Ha0-305 (0.25Mm Os) • 13103-Ha0-305 (0.50Mm Os) Notes: • Kit Is For One Cylinder • Verify Oem Part Number Before Ordering
- Oem Cross-Reference Part Numbers: • 13101-Ha0-305 (Standard Piston) • 13102-Ha0-305 (0.25Mm Os) • 13103-Ha0-305 (0.50Mm Os) • 13011-Ha0-004 (Ring Set) • 13111-Ha0-000 (Piston Pin) • 12100-Ha0-000 (Cylinder) • 12191-Ha0-000 (Base Gasket) • 12251-Ha0-000 (Head Gasket) Specifications: • Type: Piston Kit With Rings, Wrist Pin, And Circlip Retainers • Size: 0.25Mm Oversize • Bore: 71.25Mm (2.805") • Standard Bore: 71.00Mm (2.795") • Cylinders: Single Cylinder • Engine Type: 246Cc Air-Cooled 4-Stroke Ohc • Kit Contents: Piston, Rings, Wrist Pin, Circlip Retainers • Material: Cast Aluminum With Mos2 Coating • Kit Quantity: 1 Cylinder Compatibility: • Honda Atc250es Big Red 3-Wheeler (1985-1987) • Honda Atc250sx 3-Wheeler (1985-1987) • Honda Trx250 Fourtrax 250 (1985-1987)
- Source: Aftermarket
- One Year Manufacturer's Warranty.
Specs
- Vehicle fitment typeSpecific
- BrandRareelectrical
- Automotive specialty part typePOWERSPORTS, ATV / UTV, Engine Systems, Piston Kits, Piston Kit
- Items includedPiston Kit
- Vehicle typeAll-Terrain Vehicle
- Weight1 lb
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Piston Kit 0.25mm Oversize Compatible with 1985-1987 Honda ATC250ES Big Red ATC250SX TRX250 246cc Air-Cooled 4-Stroke Single Cylinder (71.25mm Bore)
Direct replacement 0.25mm oversize piston kit for 1985 through 1987 Honda ATC250ES Big Red, ATC250SX, and TRX250 with 71.25mm bore. Requires cylinder boring from 71.00mm standard to 71.25mm. Kit includes cast aluminum piston with MOS2 coating, piston rings, wrist pin, and circlip retainers for a complete single-cylinder rebuild.
OEM CROSS-REFERENCE PART NUMBERS:
• 13102-HA0-305 (0.25mm OS piston)
• 13101-HA0-305 (standard piston)
• 13103-HA0-305 (0.50mm OS piston)
• 13011-HA0-004 (ring set)
• 13111-HA0-000 (piston pin)
SPECIFICATIONS:
• Type: Piston Kit with Rings
• Size: 0.25mm Oversize
• Bore: 71.25mm (2.805")
• Standard Bore: 71.00mm (2.795")
• Cylinders: Single Cylinder
• Engine Type: 246cc Air-Cooled 4-Stroke OHC
• Kit Contents: Piston, Rings, Wrist Pin, Circlip Retainers
• Material: Cast Aluminum with MOS2 Coating
APPLICATIONS:
• Honda ATC250ES Big Red 3-Wheeler (1985-1987)
• Honda ATC250SX 3-Wheeler (1985-1987)
• Honda TRX250 FourTrax 250 (1985-1987)
NOTES:
• Kit is for ONE cylinder
• Requires cylinder boring to 71.25mm
• Always measure cylinder bore before installation
⚠️ Verify OEM part number from your original engine before ordering.
Direct replacement 0.25mm oversize piston kit for 1985 through 1987 Honda ATC250ES Big Red, ATC250SX, and TRX250 with 71.25mm bore. Requires cylinder boring from 71.00mm standard to 71.25mm. Kit includes cast aluminum piston with MOS2 coating, piston rings, wrist pin, and circlip retainers for a complete single-cylinder rebuild.
OEM CROSS-REFERENCE PART NUMBERS:
• 13102-HA0-305 (0.25mm OS piston)
• 13101-HA0-305 (standard piston)
• 13103-HA0-305 (0.50mm OS piston)
• 13011-HA0-004 (ring set)
• 13111-HA0-000 (piston pin)
SPECIFICATIONS:
• Type: Piston Kit with Rings
• Size: 0.25mm Oversize
• Bore: 71.25mm (2.805")
• Standard Bore: 71.00mm (2.795")
• Cylinders: Single Cylinder
• Engine Type: 246cc Air-Cooled 4-Stroke OHC
• Kit Contents: Piston, Rings, Wrist Pin, Circlip Retainers
• Material: Cast Aluminum with MOS2 Coating
APPLICATIONS:
• Honda ATC250ES Big Red 3-Wheeler (1985-1987)
• Honda ATC250SX 3-Wheeler (1985-1987)
• Honda TRX250 FourTrax 250 (1985-1987)
NOTES:
• Kit is for ONE cylinder
• Requires cylinder boring to 71.25mm
• Always measure cylinder bore before installation
⚠️ Verify OEM part number from your original engine before ordering.
- Rareelectrical Compatible With Honda
- Honda Atc250es / Atc250sx / Trx250 Applications (1985-1987): Honda Atc250es Big Red (1985-1987): • Honda Atc250es Big Red 3-Wheeler (1985) • Honda Atc250es Big Red 3-Wheeler (1986) • Honda Atc250es Big Red 3-Wheeler (1987) Honda Atc250sx (1985-1987): • Honda Atc250sx 3-Wheeler (1985) • Honda Atc250sx 3-Wheeler (1986) • Honda Atc250sx 3-Wheeler (1987) Honda Trx250 Fourtrax 250 (1985-1987): • Honda Trx250 Fourtrax 250 (1985) • Honda Trx250 Fourtrax 250 (1986) • Honda Trx250 Fourtrax 250 (1987) Engine Specifications: • Standard Bore: 71.00Mm (2.795") • Oversize Bore: 71.25Mm (0.25Mm Os) • Displacement: 246Cc • Engine Type: Air-Cooled 4-Stroke Ohc Single Cylinder • Material: Cast Aluminum With Mos2 Coating Oem Piston Part Numbers: • 13101-Ha0-305 (Standard) • 13102-Ha0-305 (0.25Mm Os) • 13103-Ha0-305 (0.50Mm Os) Notes: • Kit Is For One Cylinder • Verify Oem Part Number Before Ordering
- Oem Cross-Reference Part Numbers: • 13101-Ha0-305 (Standard Piston) • 13102-Ha0-305 (0.25Mm Os) • 13103-Ha0-305 (0.50Mm Os) • 13011-Ha0-004 (Ring Set) • 13111-Ha0-000 (Piston Pin) • 12100-Ha0-000 (Cylinder) • 12191-Ha0-000 (Base Gasket) • 12251-Ha0-000 (Head Gasket) Specifications: • Type: Piston Kit With Rings, Wrist Pin, And Circlip Retainers • Size: 0.25Mm Oversize • Bore: 71.25Mm (2.805") • Standard Bore: 71.00Mm (2.795") • Cylinders: Single Cylinder • Engine Type: 246Cc Air-Cooled 4-Stroke Ohc • Kit Contents: Piston, Rings, Wrist Pin, Circlip Retainers • Material: Cast Aluminum With Mos2 Coating • Kit Quantity: 1 Cylinder Compatibility: • Honda Atc250es Big Red 3-Wheeler (1985-1987) • Honda Atc250sx 3-Wheeler (1985-1987) • Honda Trx250 Fourtrax 250 (1985-1987)
- Source: Aftermarket
- One Year Manufacturer's Warranty.
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Specifications
Vehicle fitment type
Specific
Brand
Rareelectrical
Automotive specialty part type
POWERSPORTS, ATV / UTV, Engine Systems, Piston Kits, Piston Kit
Items included
Piston Kit
Warranty
Warranty information
RAREELECTRICAL products, when properly installed, are warranted against defects to the original purchaser for 1 year from date of purchase. Warranty does not cover failure due to accident, neglect or the result of normal wear & tear. Improper installation, careless handling or disassembly will void warranty. Failures due to rust, abuse, broken gears, housings or components shall not be considered for warranty, nor products used in applications which they were not intended. The sole responsibility of RAREELECTRICAL - if any - shall be the replacement of defective product. It is the responsibility of the customer to verify the correct information prior to purchasing any product from RAREELECTRICAL. All purchases made in error, bought by mistake, or returned to sender due to an incorrect address are subject to a 20% restocking fee & require a return authorization. In these cases, domestic return shipping costs will also be deducted from the refund using our discounted shipping rates.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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