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WINTER10
ATV City  |  SKU: 188.105
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90mm Cylinder Kit for Honda TRX450 Foreman 1998 to 2004 Fits Top End Rebuild High Performance

Regular price £213.33
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A Thank You to Our Valued Customers.

CYLINDER KIT for Honda TRX450 Foreman 98-04 90mm – aftermarket performance kit engineered to restore top-end compression and reliability for Honda's TRX450 Foreman line. The 90mm bore is designed for 1998–2004 Foreman engines, delivering consistent power delivery for trails, work tasks, and recreational riding.

This aftermarket cylinder kit is built to support a robust top-end rebuild, providing durable components capable of withstanding the heat and pressures of rugged riding. Designed for straightforward installation on applicable TRX450 Foreman engines, with fitment confirmed across the 1998–2004 models.

Comprehensive Vehicle Fitment

Based on verified aftermarket catalog data from multiple suppliers, this cylinder kit fits the following Honda Foreman 450 models 

Manufacturer Models / Series Years / Details Source
Honda Foreman 450 TRX450ES 4x4 ES 1998–2001
Honda Foreman 450 TRX450S 4x4 S 1998–2001
Honda Foreman 450 TRX450FE 4x4 ES 2002–2004
Honda Foreman 450 TRX450FM 4x4 S 2002–2004

 

Detailed Year-by-Year Fitment

Year Compatible Models
1998 TRX450ES, TRX450S
1999 TRX450ES, TRX450S
2000 TRX450ES, TRX450S
2001 TRX450ES, TRX450S
2002 TRX450FE, TRX450FM
2003 TRX450FE, TRX450FM
2004 TRX450FE, TRX450FM

Fitment Notes:

  • Confirmed fitment for Honda Foreman 450 TRX450 ES/S (1998-2001) and TRX450 FE/FM (2002-2004) models

  • The 90mm bore size corresponds to the standard displacement for these engines

  • Professional installation recommended; ensure piston/ring kit matches the 90 mm bore

  • Always verify the OEM reference for your exact model and year before installation

OEM Cross-Reference Information

This aftermarket cylinder kit is designed as a direct replacement for the following Honda OEM part numbers 

OEM Part Number Component
12100-HN0-A00 Cylinder Assembly
12251-HN0-A01 Cylinder Head Gasket
12191-HM7-013 Cylinder Base Gasket
13101-HN0-A00 Piston
13010-HN0-A02 Piston Ring Set
13111-HN0-A00 Piston Pin
13112-MAT-000 Circlips

Product Specifications

Specification Details
Type Cylinder Kit (Aftermarket)
Bore Size 90 mm (Standard)
Cylinder Material Aluminum
Cylinder Sleeve Coating None
Kit Includes Cylinder, Piston, Rings, Wrist Pin, Circlips, Gaskets
Application Honda Foreman 450 TRX450 ES/S/FE/FM (1998-2004)
Condition New

OEM part numbers are provided for cross-reference purposes only. Always verify fitment using your vehicle's specific model, year, and serial number before ordering.

Restore your Honda TRX450 Foreman engine's compression with this premium aftermarket cylinder kit—order today!

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