KR 150 Full Matel Crankshaft (15pin)
Full coverage. Precision stroke. Reliable foundation.
This Full Metal Crankshaft for Kawasaki KR150 is available in two stroke lengths: 54.4 mm (standard) and 55.4 mm (+1.0 mm), both with a 15 mm piston pin. The full-coverage counterweight design ensures balance and durability under high load, making it suitable for both OEM replacement and mild displacement upgrades. Each crankshaft is precision-machined for consistent fitment, ensuring smooth rotation and long service life.
Highlights
Two Stroke Options — 54.4 mm (STD) for OEM spec; 55.4 mm (+1.0 mm) for added stroke and torque potential.
15 mm Piston Pin — Strength-focused size for performance reliability.
Full Coverage Design — Reinforced counterweights for stability at higher RPM.
Precision Machined — Tight tolerances for smooth rotation and consistent sealing.
OEM-Compatible — Direct fit for KR150 engine cases without modification.
Product Specifications
✔ Stroke: 54.4 mm (STD) / 55.4 mm (+1.0 mm)
✔ Piston Pin: Ø15 mm
✔ Type: Full Metal Crankshaft (full-coverage design)
✔ Fitment: Kawasaki KR150
✔ Package Includes: Full Metal Crankshaft ×1
Installation Notes
Confirm stroke specification (STD / +1.0 mm) before purchase.
For +1.0 mm stroke, check squish clearance, compression ratio, and jetting.
Always use new bearings and oil seals during installation.
Recheck crankshaft end play and torque after initial run-in.
Power You Can Trust.