Source Of Emissions; Crankcase Emission Control System - Honda CBR 954RR Service Manual

The U.S. Environmental Protection Agency, California Air Resources Board (CARB) and Transport Canada require manufac-
turers to certify that their motorcycles comply with applicable exhaust emissions standards during their useful life, when oper-
ated and maintained according t o the instructions provided, and that motorcycles built after January 1,
applicable noise emission standards for one year or 6,000 k m (3,730 miles) after the time of sale t o the ultimate purchaser,
when operated and maintained according t o the instructions provided. Compliance with the terms
Warranty for Honda Motorcycle Emission Control Systems is necessary in order t o keep the emissions system warranty in
effect.

SOURCE OF EMISSIONS

The combustion process produces carbon monoxide and hydrocarbons. Control of hydrocarbons
under certain conditions, they react t o form photochemical smog when subjected t o sunlight. Carbon monoxide does not
react in the same way, but it is toxic.
Honda Motor Co., Ltd. utilizes lean injection settings as well as other systems, t o reduce carbon monoxide and hydrocarbons.

CRANKCASE EMISSION CONTROL SYSTEM

The engine is equipped with a closed crankcase system t o prevent discharging crankcase emissions into the atmosphere.
Blow-by gas is returned t o the combustion chamber through the air cleaner and throttle body.
GENERAL INFORMATION
comply with
of
the Distributor's Limited
is very important because,
AIR CLEANER HOUSING
FRESH AIR
BLOW-BY GAS