Cylinder Porting | Vespa PX Engine TUNING 🛵🔧 | Part 7 {English}

[@johnbravo7542]

Wow! I have never heard someone explain it like this,so easy to understand.

[@cagatayguven35]

top class tutorial 👍

[@pauldeacy9989]

Brilliant vid! Thank you for taking the time

[@johnforrester2106]

Yes, first class!!

[@alamnaful]

Thanks for share this knowledge ❤

[@alessdiazlopez54]

Really really appreciate this job and explanations, congrats, amazing

[@jamesmason7124]

Thank you for doing this in English, anyway you can do some videos on the Piaggio moped motors, I want to build a high torque low rpm 65 to 75cc motor using Polini parts and a Polini Bravo type head. Thank you

[@cecilyates3536]

Thankyou, was very interesting and informative, cec from UK

[@robertthomas1717]

Thanks for sharing your knowledge

[@alessdiazlopez54]

How much the bigger width of the exhaust port reduce the lifetime of the rings?

[@antoniomarto8742]

Hi, 6% of 1/100 is indeed 6u secs but it is not 6/1000=0.006 sec. Instead 6u sec = 6/10000 sec= 0.6m sec = 0.0006 sec u sec - microseconds m - miliseconds

[@hm-rk4lg]

bitte auf den dyno mit dem zylinder. eine eingangsmessung wäre noch ideal gewesen

[@vasilispapadellis8022]

is this type of porting is applicable to a vespino 90s

[@ajiagni139]

Amazing.. you very handsome..

[@mohdsaifulmohdsaid852]

any 70hp scooter engine for sale?

[@captainhook185]

Kommt dat noch in deutsch