UNIT |
REQUIREMENTS |
PRODUCT CHARACTERISTICS |
| Two-stroke engine |
- Ease of self-ignition
Lubricating difficulty
Formation of scaling
|
- Mixability with petrol
Resistance to oxidisation
Low ash content
Low smoke
|
| Four-stroke engine |
- More controllable emission limits
|
- Fluidity when starting
Resistance to thermal and mechanical shearing
Maximum protection against wear
|
| Mechanical transmission |
|
- Additives
Extreme Pressure
Fluidity at low temperatures
|
Continuously
variable transmission
|
- Low torque
Oil bath clutch
|
- Correct friction coefficient to warrant antislip
|
| Bearings |
- Resistance to high temperatures
|
- High penetration and temperature resistance
|
| Linkages, pins |
- Subject to adverse weather
|
- Excellent resistance to washing off
|
| Forks/shock absorbers |
|
- High viscosimetric stability to warrant driving comfort and road holding
|
Air cleaner
|
|
- Anti-age and anti-drip properties
Increased filtering capability
|
| Cooling circuit |
- Heat dispersion and system protection
|
- Anti-cavitation properties
Heat dispersion and system protection
|
| Braking circuit |
- Braking safety
Elimination of Vapour-lock
|
- Resistance to high temperatures to warrant operation of the system under all conditions
|