In the later years of the second generation, the JDM version adopted a 1.6L
B16A engine that produced 158 hp (118 kW), and was the first to adopt the name "SiR" instead of Si.
Along with the introduction of the B-series, the second-generation Si saw the introduction of Honda's variable valve timing and electronic lift control technology, or
VTEC. By providing two different camshaft profiles—one for fuel economy, one for performance—the VTEC engines set a high-revving, naturally-aspirated precedent for future performance variants of the Honda Civic.
The first VTEC engine