Mounting an 80cc KIT on a 50CC 4T kisbee deserves at least two videos! This second part will reveal the secrets of a successful crankshaft change. 37 minutes of turning screws and bolts: WHAT A BLAST! ???????? Will the 80 kit start without making any more fuss? ???????? RETURN OF THE SCOOTFAST PROMO CODE: SIMON03 ????The products presented in this video: the 80CC KIT: https://www.scootfast.net/fr/kit-cyli... the reinforced crankshaft in diameter 13: https://www.scootfast.net/fr/vilebreq... the blue moto krick which really looks more PRO: https://www.amazon.fr/dp/B08M5X6SVD/r... ☕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 essential tools for disassembling/reassembling your two-wheeler: the essential 1/4' torque wrench: https://www.amazon.fr/gp/product/B08Z... and an even cheaper one on aliexpress: https://s.click.aliexpress.com/e/_AFBbHa the 1/2' torque wrench: bigger 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... and even cheaper on ALIEXPRESS: https://s.click.aliexpress.com/e/_A6iEEi 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... 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, improved performance ;!): https://www.scootfast.net/boite-a-air... With that, it will already be quite good! Config' in KIT 70: MOST 70CC Kit: https://www.scootfast.net/kit-cylindr... Dellorto 19mm carburetor: https://www.scootfast.net/carburateur... 00:00 Introduction: changing the VILO 01:13 We resume assembly: removal of the original crankshaft 08:55 Removal of the oil pump 12:55 Change of the oil seals of the engine cases 15:22 Installation of the reinforced crankshaft: the method 16:29 Closing of the crankcases and reassembly 21:07 Installation of the 80CC KIT / finally! 27:12 CHECK of the valve clearances 29:55 Quick reassembly of the rest.... 32:05 START!