The Recreational Craft Regulations 2017

2.2. Values applying from 18 January 2016:

Table 2

Exhaust emission limits for compression ignition (CI) engines(2)

a + Alternatively, compression-ignition engines with rated engine power at or above 37 kW and below 75 kW and with a swept volume below 0,9 L/cyl shall not exceed a PT emission limit of 0,20 g/kWh and a combined emission limit of 5,8 g/kWh.
b ++ Any compression-ignition engine shall not exceed a Carbon monoxide (CO) emission limit of 5,0 g/kWh.
Swept VolumeSV(L/cyl)	Rated Engine Power PN(kW)	ParticulatesPT(g/kWh)	Hydrocarbons + Nitrogen Oxides(g/kWh)
		The values referred to in table 1
	(1)	0,3	4,7
		0,15	5,8
		0,14	5,8
		0,12	5,8
		0,12	5,8
		0,11	5,8

Table 3

Exhaust emission limits for spark ignition (SI) engines

Type of engine	Rated EnginePower PN(kW)	Carbon monoxideCO(g/kWh)	Hydrocarbons + Nitrogen Oxides(g/kWh)
Stern-drive and inboard engines		75	5
		350	16
		350	22
Outboard engines and PWC engines			30
		300

(1)

S.I. 2009/669.

(2)

2015 c.26