How to jet a scooter, How to install a bigger jet on a scooter. 70cc scooter jetting.
Yamaha Jog 50 Jetting.
After installing a big bore kit onto your 50cc scooter you need to install of 10% bigger jet.
50cc to 70cc big bore kit.
Eton Beamer matrix jetting
How to jet a scooter
50cc to 70cc scooter Jetting
How to jet a 70cc scooter.

Here’s a link to my video where I install a big bore kit and chamfer it To make it last 10 years plus

How to Chamfer, prepare, install a big bore kit properly. Yamaha Zuma, Jog and Eton Beamer matrix    • How to Chamfer, prepare, install a bi...