Sirio XL3 Tuned .21 engine
Sirio have released their XL3 tuned .21 engine for 1/8th buggy and truggy classes. The 3 port motor features hand tuned liner, crankcase and crankshaft, which has been lightened. A modified piston helps improve performance further while the lightened cooling head helps lower the centre of gravity. The engine comes supplied with carburetor with 7mm venturi and bushing system to avoid overheating and ceramic Swiss main bearing.
Source: Schepis Model [schepismodel.it]