Скачать с ютуб vespa BLOWBACK on-road BEHAVIOUR / DEFECT rotary valve vs REPAIRED / FMPguides - Solid PASSion / в хорошем качестве

vespa BLOWBACK on-road BEHAVIOUR / DEFECT rotary valve vs REPAIRED / FMPguides - Solid PASSion /

blowback = no cruising possible due to defect rotary valve tolerance = BLOWBACK problems = sick engine, occurs quite often. here i wanna show you the effects, how the engine behaves and that with renewed rotary valve pad the engine works fine again = healthy. the costs: rotary valve renewing = 100-150,- changing to reed valve = 400-500,- for all stuff you need. reed valve is NOT needed for power (as we were told in the 90ies) you achieve up to 25hp with si24 carb box rotary valve if the setup is done well ;) checkout this comparison of similiar engines reed vs rotary valve:    • vespa ROTARY 25mm vs REED VALVE 30mm ...      • VESPA polini 177 ROTARY 25 vs REED VA...   _________________________________________________________________ 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. _________________________________________________________________