This overrunning clutch plate (also known as 'starter bypass', 'starter clutch', 'one way starter bearing') is typically found in the Starter section of several part manuals. Commonly used for but not limited to 260cc, 300cc, and 325cc engines. It is most popularly known for its use in Linhai 260cc / 300cc, Buyang 300 4x4 / FA-H300 / FA-D300 / FA-G300 / ZR300U-4X4 / Monster 300cc / Daymak Grunt 300 / Gio Bear 300 / Midwest 300cc / ZMC Titan 300 / Pioneer 300cc, Chironex Bandito 300, Xingyue (GS Moon) 250cc / 260cc (ST260) / 300cc, Asun 300cc, Atomik Krusher 300 2WD, Delta Force 300 4x4, GMX Motorbikes Krusher Fa-D300B 4WD, GOES 330, Stels 300B ATV / Hunter XTX 300B, Quadzilla 325 4x4, as well as many other brands of ATVs, UTVs (side-by-side), dirt bikes, scooters, go karts (buggies), and engines with alternative profile names.
Approximate dimensions:
Outer Diameter (OD): 90.9mm (3.58”)
Inner Diameter (ID): 24.4mm (0.96”)
Nearest Bolt Hole Spacing (center to center) : 37mm (1.46”)
Farthest Bolt Hole Spacing (center to ccenter): 74mm (2.91”)
Thickness: 13.2mm (0.52”)
Bolt Hole: M8
Manufacturer Part Numbers:
Chironex Part Number: 2.1.01.0290 “STARTER CLUTCH”
Buyang Part Number: 2.1.01.0290 “STARTER CLUTCH”
Atomik Part Number: 2.1.01.0290 “STARTER CLUTCH”
Stels Part Number: 2.1.01.0290 (LU020048) “STARTER CLUTCH”
GMX MotorbikesPart Number: 2.1.01.0290 “STARTER CLUTCH”
GOES Part Number: 2.1.01.0290 “STARTER CLUTCH”
Delta Force Part Number: 2.1.01.0290 “STARTER CLUTCH”
Quadzilla Part Number: 2.1.01.0290 “STARTER CLUTCH”