New release for 2026 this motor will now have our brand new 2026 GZR-2MM full circle stroker crankshaft
New Release GZR-5 this is a awesome package. If you like our GZ-4 Then you'll love this motor. This is a perfect balance of RPM'S and more torque then the GZ-4. We have been testing this engine for while now with amazing results. 25.4 cyl, 2mm Full circle stroker crank which makes this a screaming 27cc engine. these are the most powerful 34mm bore engine out there The GZR-5 another innovation from GIZMOMOTORS.
