Moturo variator locking tool for 50cc 4-stroke Chinese scooters

Moturo Variator Locking Tool for 50cc Chinese Four-Stroke (GY6 139QMB)

The Moturo locking tool for the variator on Chinese 50cc four-stroke engines (139QMB type) — the tool you need to securely lock the pulley during V-belt replacement or variator service, ready for use.

The tool fits perfectly into the variator pulley and prevents it from rotating. This allows the flywheel nut, variator nut, or clutch bell to be loosened and tightened to the correct torque.

Suitable for scooters and quads with the GY6 139QMB platform as well as identical 50cc four-stroke engines, such as the Kymco Filly 50 4T or Kreidler Flory.

Ready for use in minutes: insert the tool, lock the pulley, then loosen or tighten the flywheel nut or variator nut with a torque wrench.

Variator locking tool for the GY6 139QMB engine, made by Moturo.

Performance · Material · Specifications

• Fits perfectly into the variator pulley
• Fits the GY6 139QMB platform and identical 50cc four-stroke engines
• Holds the flywheel and variator nut secure during loosening and tightening with a torque wrench

Important Notes – please read

Original spare part design, no separate ABE (general operating permit) required. Tool for workshop use; no registration required for use. Before ordering, compare the mounting geometry with the product image and your own variator — platforms other than GY6 139QMB may differ.

Tools & Time Required

• Torque wrench for flywheel nut and variator nut
• Matching socket for the nut
• About half an hour for an experienced mechanic

Scope of Delivery

1 × Variator locking tool. Not included: torque wrench, socket, other tools.

Frequently Asked Questions

Does the tool also fit on two-stroke variators?
On many 50cc Chinese platforms, yes; compare the mount with the product image before ordering.

Do I need additional tools?
Yes, a torque wrench and a suitable socket for the flywheel nut or variator nut.

Does the tool work on the 139QMB?
Yes, that is what it is made for. The same applies to identical GY6 engines.