Stage6 6204 main crankshaft dummy bearing set. Suitable for Derbi, Peugeot, Minarelli horizontal, vertical & AM6 (20mm journals) 50cc 2-stroke engines.

Dummy bearings are used to quickly assemble and disassemble engines dry; to measure port timings, piston height & check machining. These are high strength, low friction, rigid polymer with a precision fit, simply inserted into the crankcase by hand. Stage6 dummy bearings are easily removed when you are ready to build the engine with real bearings.

Stage6 dummy bearings will pacify your thoughts before final engine assembly.

Material: POM (polyoxymethylene)
Bearing code: 6204
Dimensions: 20x47x14mm (IDxODxW)

Sold in pairs.

Stage6 S6-8039100