The Hot Rods 4066 Complete Crankshaft is a high-quality replacement for select Kawasaki KX85 and KX100 two-stroke motorcycles. Designed as a dependable alternative to a costly OEM crankshaft, this assembly is supplied complete and ready for installation with proven Hot Rods connecting rods, top-end bearings, and crankshaft webs. Each crankshaft is factory assembled and trued to OEM specifications to deliver reliable performance, durability, and consistent engine operation.
Manufactured by Hot Rods, the 4066 crankshaft features precision-engineered components and gears produced to a quality level of DIN Class 9 or higher. The assembly is fully rebuildable using genuine Hot Rods connecting rods and bearings, helping support long-term serviceability and reduced maintenance costs. Its ready-to-install design makes it a practical choice for engine rebuilds, restoration projects, and performance-focused replacements where dependable fit and function are required.
Fitment includes 2006 through 2013 Kawasaki KX85 models and 2006 through 2007 Kawasaki KX100 models. Verify the motorcycle model year and engine application before installation. The Hot Rods manufacturer part number and vendor part number are both 4066.
Features:
- Complete crankshaft assembly ready for installation
- Premier alternative to a costly OEM crankshaft
- Includes Hot Rods connecting rods, top-end bearings, and crankshaft webs
- Factory assembled and trued to OEM specifications
- 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
- Fits 2006–2013 Kawasaki KX85 models
- Fits 2006–2007 Kawasaki KX100 models
Fitment:
2006 Kawasaki KX100
2006 Kawasaki KX85
2007 Kawasaki KX100
2007 Kawasaki KX85
2008 Kawasaki KX100
2008 Kawasaki KX85
2009 Kawasaki KX100
2009 Kawasaki KX85
2010 Kawasaki KX100
2010 Kawasaki KX85
2011 Kawasaki KX100
2011 Kawasaki KX85
2012 Kawasaki KX100
2012 Kawasaki KX85
2013 Kawasaki KX100
2013 Kawasaki KX85