90mm Cylinder Kit for Honda TRX450 Foreman 1998 to 2004 Fits Top End Rebuild High Performance
90mm Cylinder Kit for Honda TRX450 Foreman 1998 to 2004 Fits Top End Rebuild High Performance is backordered and will ship as soon as it is back in stock.
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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
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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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