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Engine overheating is the main cause of seizure of our small 2-stroke engines, and the source of these overheatings is often due to poor adjustments of our carburetion or linked to the assembly of our top engine: it is therefore a parameter that must be closely monitored! I therefore suggest that you understand in this video why the temperature of an engine can lead to irreversible damage, then to place on our recently assembled SPITRO, a temperature sensor to ensure that the liquid cooling system is working well! And as usual: we will explain everything in detail! ???????? RETURN OF THE SCOOTFAST PROMO CODE: SIMON02 ☕To follow me on INSTAGRAM, and ask me questions: https://www.instagram.com/p/CD1_0Aini... ????To support him: the tipeee link: THANK YOU !! https://fr.tipeee.com/le-chant-du-cli... ???? small links to the products used in this video: The KOSO probe: https://www.scootfast.net/koso-water-... The WATTS rev counter, measuring the temperature: https://www.scootfast.net/compte-tour... a complete temperature sensor: https://www.amazon.fr/gp/product/B08F... ???? Small links to essential tools for disassembling/reassembling your two-wheeler: the essential 1/4' torque wrench: https://www.amazon.fr/gp/product/B08Z... the 1/2' torque wrench: larger but also useful: https://www.amazon.fr/gp/product/B01N... A very good electronic caliper and always useful for this type of measurement: https://www.amazon.fr/gp/product/B082... Booster variator block: https://www.amazon.fr/gp/product/B07J... Clutch disassembly key: https://www.amazon.fr/gp/product/B071... Ignition lock key: https://www.amazon.fr/gp/product/B07N... The ratchet wrench set with bits TO DISASSEMBLE EVERYTHING: https://www.amazon.fr/gp/product/B07B... the vice you need (I've lost count of how many times I use it: essential!): https://www.amazon.fr/gp/product/B01M... and to adjust its variation to perfection, a box of DOPPLER rollers: https://www.amazon.fr/gp/product/B07G... ⚙ Small config. 50CC that works WELL: Good parts to optimize your scooter, easily: 50cc POLINI cast iron kit: https://www.scootfast.net/kit-cylindr... YASUNI R 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... DOPPLER air box (no more noise, performance gain ;!): https://www.scootfast.net/boite-a-air... With that, it will already be not bad! Config' in KIT 70: MOST 70CC Kit: https://www.scootfast.net/kit-cylindr... Dellorto 19mm carburetor: https://www.scootfast.net/carburateur... 00:00 Introduction and video plan 01:52 Why regulate the temperature of our 2 wheels? 05:11 Mounting a temperature sensor: an important check 10:05 Practical case: how liquid cooling works 13:02 Conclusion