Off-Road Small Spark-Ignition Engine Emission Regulations

11 (1) The crankcase of an engine must be closed.

(2) Despite subsection (1), an engine may have an open crankcase if it

• (a) is designed exclusively to power a snowblower; and

• (b) meets the emission standards that are prescribed by these Regulations and applicable to the combination of exhaust emissions, measured using the procedures set out in subpart E, of the CFR, and crankcase emissions.