G4Z Stage 3 29CC

Brand: G4Z

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Unit Price



Note: All G4Z Engines are custom built by order

EFRA / ROAR Spec approved motor.


Top level Zenoah tuning.
Due to a bigger bore more torque than his little cousin.
All ports retimed, flow optimized and aimed to perform.

Engine specification
Cylinder displacement 28.5 cm³
Cylinder bore 36 mm
Cylinder stroke 28 mm
Power output
Carburettor WT-990
Ignition system TCI
Spark plug CMR7H
Start system Recoil starter
Overall dimensions
Weight 2.1 kg
Product size, LxWxH 167x204x195 mm

Stock equiped with:
Black4z full circle high performance Crankshaft.
Trimmed rotor
Full mod Cylinder
Full mod Piston