Ducati Diavel Owners Manual: Noise and exhaust emission control system information
Source of emissions
The combustion process produces carbon monoxide and hydrocarbons. Control of hydrocarbons is very important because under certain conditions, they react to form photochemical smog when subjected to sunlight.
Carbon monoxide does not react in the same way, but is toxic. Ducati utilizes lean carburetor settings and other systems to reduce carbon monoxide and hydrocarbons.
Exhaust emission control system
The exhaust emission control system is composed of lean carburetor settings, and no adjustments should be made except idle speed adjustments with the throttle stop screw.
The exhaust emission control system is separate from the crankcase emission control system.
Crankcase emission control system
The engine is equipped with a closed crankcase system to prevent discharging crankcase emissions into the atmosphere. Blow-by gas is returned to the combustion chamber through the air cleaner and the throttle body.
Evaporative emission control system california motorcycles are equipped with an evaporative emission control system which consists of a charcoal canister and associated piping. This system prevents the escape of fuel vapors from the throttle body and fuel tank.
Tampering warning
Tampering with noise control system prohibited. Federal law prohibits the following acts or causing thereof: (1) the removal or rendering inoperative by any person, other than for purposes of maintenance, repair, or replacement, of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use; or (2) The use of the vehicle after such device or element of design has been removed or rendered inoperative by any person.
Among those acts presumed to constitute Tampering are the acts listed below:
- Removal of, or puncturing the muffler, baffles, header pipes or any other component which conducts exhaust gases.
- Removal or puncturing of any part of the intake system.
- Lack of proper maintenance.
- Replacing any moving part of the vehicle, or parts of the exhaust or intake system, with parts other than those specified by the manufacturer.
This product should be checked for repair or replacement if the motorcycle noise has increased significantly through use.
Otherwise, the owner may become subject to penalties under state and local ordinances.
Problems that may affect motorcycle emissions
If you are aware of any of the following symptoms, have the vehicle inspected and repaired by your local ducati dealer.
Symptoms: hard starting or stalling after starting.
Rough idle.
Misfiring or backfiring during acceleration.
After-burning (backfiring).
Poor performance (driveability) and poor economy.
Reporting of safety defects
If you believe that your vehicle has a defect which could
cause a crash or could cause injury or death, you should
immediately inform the national highway traffic safety
administration (nhtsa) in a ...
Riding safety
The points given below are applicable for every day
motorcycle use and shoud be carefully observed for safe and
effective vehicle operation.
A motorcycle does not provide the impact protection of ...
Other materials:
Refitting the front brake system
While refitting the system, pay special attention to the orientation of the
pipe couplings (24) on the pump and the pipes
(13) and (20) on the callipers (9) and (18).
Warning
If incorrectly positioned, the hose can affect brake operation and
foul moving parts. Position the hose as shown in th ...
Removal of the movable tensioner/timing belt
Loosen the nut (8) and remove the washer (7) and the tensioner pulley (9)
from the pin (12) on the cylinder head.
Remove the timing belt (14) from the horizontal cylinder assembly.
Important
If the belts are to be re-used, mark the direction of rotation with an
arrow and also mark the cylin ...
Pre-ride checks
Warning
failure to carry out these checks before riding, may
lead to motorcycle damage and injury to rider and passenger.
Before riding, perform a thorough check-up on your bike as
follows:
Fuel level in the tank
Check the fuel level in the tank. Fill tank if needed (page 140).
Engine oil le ...