Details
The new V-Twin features an advanced style that looks quite different from other engines in its class.
A number of new elements, including a hemispherical combustion chamber, high compression ratio, variable ignition timing (digital-CDI), and an integrated cylinder and head structure, all contribute to an enhanced overall performance while exceeding the world’s most stringent emission regulations without the use of a catalyst.
Improved combustion
Radial valves, hemispherical combustion chamber, and variable ignition timing all contribute to rapid and efficient combustion. Improved combustion technology and better cooling performance have made it possible to raise the compression ratio from 8.3 to 9.3, offering higher power output, lower fuel consumption and lower emissions.
Cooling performance improvements
The new, high-efficiency cooling fan generates higher airflow with reduced noise levels. In addition the air cooling capacity has been improved by introducing an integrated rigid cylinder and cylinder head structure. As well as eliminating the cylinder head gasket and head bolts, the new design locates the pushrods in external tubes, creating maximum airflow around the cylinder and cylinder head structure.
Improved lubrication system
The new V-twin engines feature a full pressure lubrication system throughout. To enhance overall engine durability the oil pump capacity has been increased, maximising lubrication to all moving parts.
Ignition with digital CDI
The new V-twin is equipped with variable ignition (digitally controlled). As in modern cars, the best ignition timing is carefully chosen throughout the complete engine rpm range. The digital CDI results in optimal startability and acceleration, and offers a digital RPM limiter.
Improved dust resistance
A twin barrel, inner-vent type carburettor and new paper element fuel filter help protect the engine against the dustiest working conditions. The new engine’s multi-layer air filter has an improved filter medium that reduces the frequency of replacement.