The oil pump is a central element for the long-lasting and reliable operation of your 2-stroke engine. However, this part is often the source of deterioration or even engine failure! This €20 part is therefore not to be taken lightly! In this video I suggest you understand what it is for, know how to perform basic maintenance on it to be sure that it remains in working order, and finally, why some people remove it, and why IT IS NECESSARY TO REMOVE it in certain conditions: you will know EVERYTHING! 🛒 The material used in this video: the easyboost disassembly key for the rotor and especially the clutch: https://www.amazon.fr/gp/product/B071... the special key for external AND internal rotors: https://www.amazon.fr/gp/product/B07N... 🥂Promotional code: thanks to your favorite channel🤣, you can take advantage of a 5% discount code at SCOOTFAST (that's already something!😎). the code is: SIMONSF 🔧 Small links to essential tools for disassembling/reassembling your two-wheeler: A very good electronic caliper and always useful for this type of measurement: https://www.amazon.fr/gp/product/B082... PISTON BLOCK: https://www.scootfast.net/bloc-piston... The ratchet wrench set with tips TO DISASSEMBLE EVERYTHING: https://www.amazon.fr/dp/B07G2PN3CG/r... the vice you need: https://www.amazon.fr/gp/product/B01M... ⚙ Small config. : Good parts to optimize your scooter, easily: 50cc POLINI cast iron kit: https://www.scootfast.net/kit-cylindr... YASUNI z exhaust: https://www.scootfast.net/yasuni-exha... 17.5 PHBN carburetor: https://www.scootfast.net/carburateur... POLINI Hi-speed variator: https://www.scootfast.net/polini-vari... programmable rollers to adjust the variation to the hair: http://www.mir35.com/galet-programmab... With that, it will already be not bad! 00:00 Introduction and video plan 01:00 1 - Why an oil pump on a 2-stroke engine? 02:21 2 - How the pump works: its weak point! A real trap. 04:48 3a - Annual checks to be carried out on an oil pump in the case of an unmodified scooter 15:34 3b - How to measure the REAL flow rate of your pump?? The experimental method 19:12 4 - Remove the oil pump: why and how!? in 4 steps. 27:52 Conclusion and SCOOTFAST PROMO code I am Simon and I make mechanical tutorials for all 2-wheel enthusiasts, 50cc scooters or more. If you would like me to cover specific topics, I will try to look into them: do not hesitate to tell me in the comments the topics you are thinking of. To ask me questions, technical difficulties, with photos, you can use the Instagram account linked to this channel: The Instagram account of the YouTube channel. https://www.instagram.com/p/CD1_0Aini...