Hot Rods Part Number 421-4012 Crankshaft for Honda CR80R and CR85R Models

The Hot Rods Part Number 421-4012 crankshaft offers a high-performance replacement designed specifically for Honda CR80R and CR85R models from 1996 to 2004. Crafted to meet or exceed OEM standards, this crankshaft is fully assembled and ready for installation, featuring the original Hot Rods connecting rods, top end bearings, and crankshaft webs for reliable performance. Manufactured with precision, it is factory assembled and trued to OEM specifications, ensuring durability and optimal operation. This crankshaft is fully rebuildable using genuine Hot Rods connecting rods and bearings, providing a cost-effective option for maintenance and upgrades.
Designed with quality in mind, the gears are produced at DIN Class 9 or higher, ensuring smooth and reliable engagement. The standard version of this crankshaft provides a solid foundation for engine performance improvements, while the stroker version includes all the features of the standard model but with increased stroke for higher displacement and horsepower. The stroker crankshaft is CNC machined and dynamically balanced to accommodate the increased stroke, requiring no modifications in most applications and allowing the use of stock pistons. It is a drop-in replacement that simplifies installation and compatibility.
For riders seeking significant power gains, this crankshaft can be paired with Cylinder Works Big Bore cylinders, resulting in substantial increases in displacement and horsepower. Whether you are performing routine rebuilds or seeking performance upgrades, the Hot Rods crankshaft offers a reliable and performance-oriented solution that enhances engine output and longevity, making it an excellent choice for competitive racing or recreational riding.

Features:

• Crankshafts designed for Honda CR80R and CR85R models from 1996 to 2004

• Premier alternative to costly OEM crankshafts

• Sold complete and ready for installation with original Hot Rods connecting rods, top end bearings, and crankshaft webs

• Factory assembled and trued to OEM specifications for durability and performance

• Fully rebuildable with genuine Hot Rods connecting rods and bearings

• Gears manufactured at DIN Class 9 or higher for quality engagement

• Available as standard or stroker crankshaft for increased displacement

• Increased stroke for higher horsepower and engine capacity

• Drop-in replacement requiring no modifications in most applications

• CNC machined and dynamically balanced for increased stroke compatibility

• Compatible with stock pistons in most applications

• Suitable for pairing with Cylinder Works Big Bore cylinders for significant performance gains

Fits,
Honda CR80R 1997
Honda CR80R 1986
Honda CR80R 1987
Honda CR80R 1988
Honda CR80R 1989
Honda CR80R 1990
Honda CR80R 1991
Honda CR80R 1992
Honda CR80R 1993
Honda CR80R 1994
Honda CR80R 1995
Honda CR80R 1996
Honda CR80R 1998
Honda CR80R 1999
Honda CR80R 2000
Honda CR80R 2001
Honda CR80R 2002
Honda CR80R 2003
Honda CR80RB Expert 1998
Honda CR80RB Expert 2000
Honda CR80RB Expert 1996
Honda CR80RB Expert 1997
Honda CR80RB Expert 1999
Honda CR80RB Expert 2001
Honda CR80RB Expert 2002
Honda CR80RB Expert 2003
Honda CR85R 2003
Honda CR85R 2004
Honda CR85RB Expert 2004
Honda CR85RB Expert 2003