FOR RACE USE ONLY
The Vespa PX models produced by PIAGGIO since 2011 are equipped with a CDI module that features a built-in rev-limiter. This leads to the problem of the potential power increase provided by any motor tuning (fitting a race cylinder or exhaust) being cut off at 7000 rpm!
READSPEED have a solution available in the form of the 'ZEUS' unrestricted CDI module. This enables the extra power desired, while tuning a PX produced since 2011, to be fully exploited.
SIP-TIP : An essential tool when setting up an ignition system accurately is an ignition-timing strobe-lamp (part no FS118600). Do not forget to order a new spark plug, cap and lead to finish the job properly.
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