3820036 Spacer cylinder head -BGM ORIGINAL Piaggio 200 cc- Vespa PX200, Rally200 - 1.5mm

If a crankshaft with a longer stroke is used, this additional stroke has to be compensated for for two reasons. On the one hand due to the mechanical conditions to prevent the piston from hitting or the engine runs too highly compressed, on the other hand to keep the control angle of the cylinder, which determines the performance, within a reasonable range. If the stroke is extended, [...]

Lambretta cylinder base gasket with a thickness of 1,0 mm for the large engine blocks with 200-250 ccm displacement. Ideal to compensate for connecting rod lengths, differences in the heights of the engine sealing surfaces, twisted cylinders or to be able to experiment with the control times. The size of the overflow channels is dimensioned so that it corresponds to the standard overflows. Ideally, this should match the engine block and cylinder.