Hot Rods +5mm Stroker Crankshaft – Yamaha Raptor 700 (2006–2020)

Add torque everywhere and bump displacement to ~727cc with the Hot Rods 4178 +5.0 mm stroker crank. Factory-assembled and trued, this drop-in crank is dynamically balanced for the longer stroke and is designed to run with the stock piston (unless otherwise noted).

✅ What’s Included

• Complete +5.0 mm stroker crankshaft assembly

• MAG-side crankshaft bearing (included)

Note: Main bearings are not included beyond the MAG-side bearing; order PTO/main bearings separately if needed.

📦 Fitment

• Yamaha Raptor 700 / 700R / 700R SE / GYTR Edition:
  2006–2009, 2011–2014, 2014–2020 (per catalog coverage)

(Always verify by year/VIN. Some late-model updates exist; this part is listed to fit the years above.)

🔧 Specs & Notes

• Stroke: 89.0 mm total (stock +5.0 mm)

• Displacement with 102 mm bore: ~727 cc

• Rod side clearance: 0.40–0.80 mm

• Not rebuildable (rod is shorter than OEM)

• CNC-machined, dynamically balanced, assembled & trued to OEM specs

• Drop-in replacement; no case machining required (unless noted)

• Can be paired with Cylinder Works cylinders for significant power gains

🛡️ Warranty Info

New part with manufacturer’s limited warranty against defects in materials and workmanship.

💲 Price & SKU

Retail Price: $623.95
SKU: 0921-0124 / 4178
Estimated Shipping Weight: 16.1 lb
Package Dimensions: 16.53 × 8.74 × 6.65 in
Handling: Ships next business day from U.S. warehouses.