Cylinder base spacer BGM PRO Lambretta LI, LIS, SX 125-150, TV 175 (2nd series, 3rd series

Lambretta cylinder base gasket with 3.0 mm thickness for small engine blocks with 125–193 cc displacement.

Ideal for compensating for connecting rod lengths, differences in the height of the engine sealing surfaces, machined cylinders, or experimenting with transfer timings.
The size of the transfer channels is designed to match the standard transfer ports. Ideally, this should be adjusted to suit the engine block and cylinder.
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