This flywheel / driving pulley plate variator is typically found in the Clutch section of several part manuals. Commonly used for but not limited to 250cc, 260cc and 300cc engines. It is most popularly known for its use in Yamaha YP250 Majesty, CF Moto Allroad 260 / 300cc, Linhai 260cc / 300cc / Challenger 300, Buyang 300 4x4 / FA-D300 / FA-H300 / FA-G300 / ZR300U-4X4 / Daymak Grunt 300 / Gio Bear 300 / Midwest 300cc / ZMC Titan 300 / Pioneer 300cc, Quadzilla 325 4x4, Atomik Krusher 300cc 2WD, GMX Motorbikes Krusher FA-D300B 4WD, Benyco ATV 300, Stels 300B / Hunter XTX 300B, Asun 300cc, as well as many other brands of ATVs, UTVs (side-by-side), dirt bikes, scooters, go karts (buggies), and engines with alternative profile names. This machine has been produced since the early 2000s and can be applied to 2x4, 4x4 and 4x4 IRS (Independent Rear Suspension) models. The flywheel will boost the performance of your 300cc atv by absorbing less engine power than standard flywheels. Less rotational mass internally means more power is delivered to the wheels.

Approximate Dimension:

• Maximum Outer Diameter: 13.2 cm (1.19")

Manufacturer Part Numbers:

• Benyco Part Number: 2.3.01.2090 “DRIVING PULLEY ASSY, LEFT”
• Atomik Part Number: 2.3.01.2090 “SHEAVE PRIMARY FIXED”
• Buyang Part Number: 2.3.01.2090 “SHEAVE PRIMARY FIXED” or “DRIVING PULLEY ASSY, LEFT”
• GMX Motorbikes Part Number: 2.3.01.2090 “SHEAVE PRIMARY FIXED”
• Quadzilla Part Number: 2.3.01.2090 “DRIVING PULLEY FULL ASSEMBLY, LEFT”
• Stels Part Numbers: 2.3.10.2090, 2.3.01.2090 (LU020107) “DRIVING PULLEY ASSY, LEFT”