STS D28 Pro Truggy engine
Taiwanese company STS have released information about their new competition level truggy motor. This 4.66cc features a 5 port ABC liner, while the 14mm crankshaft sports a turbo scoop in the bell crank, helping force the fuel into the combustion chamber.
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Source: STS [stsrc.com.tw] via Buggy Sport [buggy-sport.info]