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For the largest stock of mini bike 5/8 in clutches, check out the entire stock at OMB Warehouse, sourced from leading brands and good as OEM replacement parts. Our premium product in the mini bike 5/8 in clutches segment is the mini bike clutch 5/8 bore #35 chain 11 tooth that accepts 35# Chain (3/8" chain pitch), 11 Tooth Sprocket Racing Centrifugal Clutch. This high quality mini bike centrifugal clutch 5/8" bore fits 2 - 6.5 HP 168 188 Gasoline Engines. Set screws and chain are not included has bi-directional operation and is easy to install. Another top selling product is the FDJ Go Kart/Mini Bike Clutch 5/8 Bore #35 Chain 11 Tooth. It is a high quality Mini Bike Centrifugal Clutch 5/8" Bore. The clutch mechanism consists of a drive friction clutch with springs designed to keep the clutch plates joined together when the clutch is released. This is when there’s most friction between the plates. The full power of the engine is transferred through to the central spline connected to the gearbox which transmits the power to the rear wheel. The power transfer to the rear wheel on a mini bike is done via the chain and sprockets.