PREPARATION MOTEUR 2 TEMPS : CYLINDRE

Preparing a two-stroke engine involves focusing on improving the top end, and more specifically the piston and its piston ring, as we saw in the previous episode, but also the cylinder itself—whether it's air-cooled or liquid-cooled. So let's talk about the cylinder and its wear-resistant coating. Each manufacturer has patented its own method of protecting cylinders by applying very hard coatings made of silicon carbide, nickel, boron, and others like Nikasil, Nicasil, Alucil, etc., which are a significant improvement over the hard chrome-plated cylinders of the past. Let's also examine why a poorly fitted cylinder, with a faulty base gasket or head gasket, and improperly tightened to an unbalanced torque, can result in a 5% loss of power and torque compared to an identical engine that has undergone precise measurement and testing. Maintaining the perpendicularity between the engine casing and the cylinder is essential for optimizing the performance of a properly prepared two-stroke engine. This is achieved by using a hone or flex-hone to prepare the cylinder and deburr the ports, avoiding a tedious break-in process. This optimizes the cylinder/piston fit while protecting the piston ring, ensuring optimal sealing and preventing leaks at the ring end. Join this channel to access exclusive benefits:    / @endurofamily   For your lubricant purchases, consider MX LUB: -10% off your order at mxlub.com with the code ENDURO10 (Excluding shipping/Drums and kegs). As an Amazon Influencer Program partner: The ENDURO FAMILY shop: https://www.amazon.fr/shop/endurofamily And to get the promo code, click here:    • Video   The ENDURO FAMILY CLOTHING AND MERCHANDISE SHOP: https://enduro-family.creator-spring.com Discover how to become a skilled engine tuner for 2-stroke (2T) engines on mopeds, scooters, motorcycles, quads, snowmobiles, and karts, applicable to all brands: KTM, Honda, Suzuki, Kawasaki, Beta, Husqvarna, Maico, Derbi, geared mopeds...all engine sizes: 50, 65, 80, 85, 125, 144, 250, 300 500, 700 cc... and who knows what else... For those who wish to support us in further improving the quality of the ENDURO FAMILY YouTube channel, you can do so here: Tipeee: https://www.tipeee.com/enduro-family PaypalMe: https://www.paypal.me/EnduroFamily FACEBOOK:   / enduro-family-327450457670806   This video is not about 4-stroke engine tuning at all. From "Two-Stroke Engine Tuning" by Facchinelli, technical and practical collection: http://amzn.to/2pvP7Mm Welcome to our YouTube channel! Here you'll find everything about motorcycle engine and chassis mechanics and tuning... whether you ride a road bike, scooter, moped, enduro, motocross, or a vintage classic, from 50cc to 500cc, from 1921 to the present day: you'll find what you're looking for in this haven of two-wheeled mechanics for 2-stroke and 4-stroke engines. But also... Come share the family's adventures on various motorcycles of all engine sizes and learn about motocross and enduro riding with them. Beautiful rides in the forest, through valleys, over rocky terrain, crossing rivers... Vlogs, tutorials on mechanics and the creation of our personal 2-hectare enduro/cross track, FAQs, unboxings and builds of custom equipment... and much more! For those who wish to support us in further improving the quality of the ENDURO FAMILY YouTube channel, you can do so here: Tipeee: https://www.tipeee.com/enduro-family PaypalMe: https://www.paypal.me/EnduroFamily FACEBOOK:   / enduro-family-327450457670806   Some video descriptions may contain affiliate links for products used in the videos or similar products. If you use these links for your purchases, the price of your cart remains the same, but we will receive a small commission, which helps support the channel's development and fund equipment for future, higher-quality videos. Thank you all so much!