no reving due to HEAVY blowback! whats it this time... 0:00 intro / 0:27 HEAVY blowback start / 0:55 technical reasons / 1:58 new CDI / 2:17 stator exchange / 3:59 new stator mount / 4:40 setting timing / 7:45 new stator START / 8:21 5 blowback reasons /
different vespa: 8:36 defect exhaust SYMPTOM / 9:31 new exhaust / 10:38 2much torque = clutch slipping /
possible blowback reasons:
1) defect blocked exhaust
2) defect rotary valve, needed tolerenace 0,05mm not provided
3) gearbox oil sucking (can also appear slowly
4) wrong set carb
5) ignition troubles = defect stator
setup: si24 carb, quattrini m1x with 29°blowdowny mazzucchelli longstroke crank, total intale timings 200degree, 1,5kg pk flywheel, teninhc honda clutch, megadella compact L exhaust
#vespa #blowBACK #issue
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DISCLAIMER: the information shown in this video, is about THIS specific hardware. it is my personal observation documented with this video. It DOESNT automatically mean, that all such parts by this producer or seller do have or will have same issues.
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