The Hot Rods 4012 Crankshaft is a complete, installation-ready replacement designed for select Honda CR80RB Expert and CR85R/CR85RB two-stroke motorcycles. As a premier alternative to a costly OEM crankshaft, this Hot Rods assembly is factory assembled and trued to OEM specifications for dependable performance, consistent operation, and long service life. The crankshaft includes proven Hot Rods connecting rods, top-end bearings, and crankshaft webs, providing a complete solution for engine rebuilding or replacement.
Manufactured with precision-engineered components, the Hot Rods 4012 uses gears produced to DIN Class 9 or higher quality standards. The assembly is also fully rebuildable with genuine Hot Rods connecting rods and bearings, helping simplify future maintenance and extending the usable life of the crankshaft. Its factory-trued construction is designed to meet or surpass OEM performance and durability requirements while maintaining compatibility with the original engine configuration.
This crankshaft fits the 1996–2002 Honda CR80RB Expert, 2003–2004 Honda CR85R, and 2003 Honda CR85RB Expert. Verify the motorcycle model and year before ordering to ensure proper application. The Hot Rods part number is 4012, and the vendor part number is 421-4012. This product is a standard replacement crankshaft intended for direct installation in compatible applications without unnecessary engine modifications.
Features:
- Complete Hot Rods crankshaft assembly ready for installation
- Premier alternative to a costly OEM crankshaft
- Factory assembled and trued to OEM specifications
- Includes Hot Rods connecting rods, top-end bearings, and crankshaft webs
- Designed to meet or surpass OEM performance and durability
- Fully rebuildable with genuine Hot Rods connecting rods and bearings
- Gears manufactured to DIN Class 9 or higher quality standards
- Fits 1996–2002 Honda CR80RB Expert models
- Fits 2003–2004 Honda CR85R models
- Fits the 2003 Honda CR85RB Expert
- Brand: Hot Rods
- Manufacturer part number: 4012
- Vendor part number: 421-4012
Fitment:
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
1996 Honda CR80RB Expert
1997 Honda CR80R
1997 Honda CR80RB Expert
1998 Honda CR80R
1998 Honda CR80RB Expert
1999 Honda CR80R
1999 Honda CR80RB Expert
2000 Honda CR80R
2000 Honda CR80RB Expert
2001 Honda CR80R
2001 Honda CR80RB Expert
2002 Honda CR80R
2002 Honda CR80RB Expert
2003 Honda CR80R
2003 Honda CR80RB Expert
2003 Honda CR85R
2003 Honda CR85RB Expert
2004 Honda CR85R
2004 Honda CR85RB Expert