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

In today's episode André is going to show you the heart of tuning an engine and will change the timing of the cylinder and modify the exhaust port. He will show you how he approaches the matter and what you need to keep in mind.

The multi-cylinder two-stroke engine simulator: https://vannik.co.za/EngMod2T.htm

Some exhaust stubs from our SIP shop that you could use for tuning: https://sip.shop/exhaust-stubs-list

You can also check out these books from our shop that we recommend for tuning your vespa: https://sip.shop/books-for-tuning-list

Here are some other books that are also worth reading:
► Blair, Gordon P.: Design and Simulation of Two-Stroke Engines (Premiere Series Books) | ISBN: 9781560916857
► A. Bell; Two stroke performance Tuning; Haynes Publishing; ISBN-10: 1859606199 | 2. Edition (28. November 1999), ; ISBN-13: 978-1859606193

Chapters:
0:00 Intro
0:25 Degree to time translation
1:40 Blow down period
2:48 Timing estimation
3:42 Transfer port adjustment
5:27 Squish gap
6:33 Ex port opening date
7:14 Ex port width
8:20 SIP Performance tuning flange (15045210) https://sip.shop/exhaust-manifold-stu...
10:20 Shaping the ex port duct
14:12 Outro
14:32 End


Did you enjoy the video? Leave a like, subscribe and share this video.
Check out our shop: https://www.sip-scootershop.com
Questions? Write them in the comments below.

Follow us:
► Facebook:   / scootershop  
► Instagram:   / sipscootershop  

https://www.sip-scootershop.com