BWS100/ZUMA100 Full Matel Crankshaft Stroke 53mm(+5.2)
Full Metal. Full Stroke.
Designed for the BWS 100 and ZUMA 100 engine, this full metal crankshaft features an extended stroke of 53mm — an increase of 5.2mm over the stock specification — for use in modified engine configurations. Precision-machined for consistent dimensional accuracy and stable engine operation. Confirm cylinder kit compatibility and engine build requirements before installation.
🔹 Highlights
- Full Metal Construction — precision-machined crankshaft for consistent dimensional accuracy and stable engine assembly
- 53mm Extended Stroke — 5.2mm increase over stock stroke specification for modified engine configurations
- Precision-Machined Dimensions — consistent journal geometry supports stable crankshaft operation within the engine case
- BWS 100 / ZUMA 100 Fitment — dimensioned to match BWS 100 and ZUMA 100 engine specifications
- Single-Component Package — supplied as crankshaft only for engine build applications
✔ Product Specifications
- Type: Full Metal Crankshaft
- Stroke: 53mm (+5.2mm)
- Fitment: BWS 100 / ZUMA 100
- Focus: Engine stroke upgrade
- Package Includes: Crankshaft × 1
🔧 Installation Notes
- Confirm cylinder kit compatibility with the 53mm stroke specification before installation
- Engine crankshaft installation is recommended to be carried out by a technician with relevant experience
- Confirm piston clearance and compression seal integrity after assembly
- A proper engine break-in procedure is recommended before returning to normal operation
Power You Can Trust.