Spark Advance - PIAGGIO Beverly 500 i.e. Workshop Manual

Beverly 500 i.e.
If different values are measured (<1; >20KΩ), re-
place the shielded cap.
N.B.
A SHIELDLESS CAP OR SPARK PLUG CAN ADVERSELY AFFECT THE INJECTION SYSTEM.
FOR INFORMATION ON THE SPARK PLUG, SEE THE «SPECIFICATIONS» AND «MAINTE-
NANCE» CHAPTERS.

Spark advance

The ignition advance is determined electronically on the basis of parameters known by the control unit.
For this reason it is not possible to interpret the reference values based on the engine rpm.
The ignition advance value is detectable at any time using the diagnostic tester.
It is possible to check whether the ignition advance determined by the injection system matches the
value actually activated on the engine, by means of the stroboscopic light.
Specific tooling
020680Y Diagnosis Tool
020330Y Stroboscopic light to check timing
Proceed as follows:
- Remove the transmission compartment cover as
described in the "automatic transmission" chapter.
- Remove the TDC reference inspection cap be-
tween flywheel and crankcase cover. See the "fly-
wheel cover" chapter
Injection
INJEC - 235