Crankshaft Assembly

Restore smooth power delivery and long-term reliability with the Hot Rods Crankshaft Assembly—engineered for 250cc 2-stroke applications and built to meet or exceed OEM performance and durability. Each assembly is factory assembled and precisely trued to OEM specifications, helping reduce vibration, improve consistency, and make your rebuild faster and more dependable.

This crank comes complete and ready for installation, supplied with the original proven Hot Rods connecting rod, crankshaft webs, and top-end bearings (unless otherwise noted). When service time comes again, it’s fully rebuildable using genuine Hot Rods connecting rods and bearings—keeping ownership costs under control.

Key features:

• ✅ Sold complete with Hot Rods connecting rod, top-end bearings (unless otherwise noted) and crankshaft webs
• ✅ Factory assembled and trued to OEM specifications; meets or exceeds OEM performance and durability
• ✅ Complete assembly, ready for installation
• ✅ Completely rebuildable with genuine Hot Rods rods and bearings (unless otherwise noted)
• ✅ Gears produced to DIN class 9 quality level or higher

Benefits of use:

• 🔹 Faster rebuilds thanks to a ready-to-install complete assembly
• 🔹 Dependable fit and running accuracy with OEM-spec truing
• 🔹 Long-term value because the crank is rebuildable with genuine components

Technical specifications:

• 📌 Brand: Hot Rods
• 📌 Vendor Part Number: 4017
• 📌 Engine type: 2-cycle (2-stroke)
• 📌 Displacement: 250 cc
• 📌 Stroke length: 72.00 mm (OEM stroke)
• 📌 Material: 4140 steel
• 📌 Connecting rod side clearance: 0.45–0.75 mm

Why choose this product?

• ⭐ Proven Hot Rods components and OEM-spec assembly accuracy
• ⭐ Designed for durability—performance that meets or exceeds OEM
• ⭐ Rebuildable design helps extend service life and reduce future costs