Video by Vespa Motorsport via YouTube
Source
Oil Pan w/ Sight Glass Black: https://www.scooterwest.com/black-sight-glass-engine-oil-pan-hpe-gts-300-2020-1a012834.html
Oil Pan w/ Sight Glass Silver: https://www.scooterwest.com/sight-glass-engine-oil-pan-hpe-gts-300-2020-1a012834.html
Standard Oil Pan Black Powdercoat: https://www.scooterwest.com/black-powder-coat-engine-oil-pan-hpe-gts-300-2020-1a012834.html
Oil Pan Gasket: https://www.scooterwest.com/oil-pan-gasket-gts-846098.html
Gloss Black Belt Cover Plastic: https://www.scooterwest.com/gloss-black-plastic-outer-belt-cover-gts-gtv-super-300-hpe-2020-later.html
Matte Black Belt Cover Plastic: https://www.scooterwest.com/matte-black-plastic-outer-belt-cover-gts-gtv-hpe-2020-later.html
Castrol Gear Oil: https://www.scooterwest.com/5w40-castrol-power-1-full-synthetic-motor-oil-for-vespa-4t-1qt.html
Oil Filter: https://www.scooterwest.com/oil-filter-for-125-300-vespa-and-piaggio-2001-2014-82635-pa-82635-pa.html
O Ring for Oil Drain: https://www.scooterwest.com/oring-for-oil-drain-nut-285536.html
Clutch Holding Tool: https://www.scooterwest.com/clutch-holder-tool-et4-lx-150-gt200-gts250-gts300-primavera-sprint-and-more-tooletc-ia.html
Oil Fill Funnel: https://www.scooterwest.com/red-line-funnel-toolfunnel.html
Oil Change Pan: https://www.scooterwest.com/low-profile-waste-oil-drain-pan-w-spout.html