CYLINDER WORKS CYLINDER KIT HONDA TRX450R 2004-2005 480cc BIG BORE 97mm

The Big Bore Cylinder Kit (Part Number: 11003-K01) is designed to enhance the performance of the 2004–2005 Honda TRX450R Sportrax. This +3mm Big Bore Kit increases the engine displacement to 479cc with a 10.5:1 compression ratio. When paired with the Hot Rods #4160 crankshaft, the displacement increases further to 500cc. The kit includes all necessary components for a complete installation, making it a powerful upgrade option for improved performance.

Features:

• (+3mm Big Bore Kit) increases displacement to 479cc with a 10.5:1 compression ratio.
• Achieves 500cc when paired with Hot Rods #4160 crankshaft.
• Bore size: 97.00mm.
• Includes high-quality Vertex #23531 piston.
• Complete kit with cylinder, piston, rings, pin, clips, and gaskets.

Replacement Parts:

• Replacement Big Bore Cylinder: Order No. 140421
• Replacement Big Bore Piston Kit: Order No. 131453S
• Replacement Big Bore Piston Rings: Order No. 131453SR
• Replacement Big Bore Gasket Kit: Order No. 263953

Vehicle Compatibility:

• Honda TRX450R Sportrax: 2004–2005

Cross-Reference Part Numbers:

• 12101-HP1-670
• ATHENA P400210100007
• S4F09700010A
• P400210160005
• S41316060
• S41317039
• 422-11003K
• 0931-0133
• 733706
• Dec-52
• HR11003K01
• 77000-37
• K8610D300-1ZA
• TW400210100007
• P400210100007 (Size: 97mm Bore)

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.