Hello.
I have rebuilded a Rally 180 completely and fitted the original engine with a e conversion kit from SIP :" kit for non-electronic ignition(femsatronic) VESPA RALLY scooters consists of a MAZZUCHELLI racing crankshaft, the lighter SIP Touren flywheel, a modified PX 200 stator plate" The kit is mounted and the engine is running but we have problem with setting the correct timing. any ideas on what deegres we should set it ? The original is 22.