1)Do a quick clean up of your bike get as much of the mud and **** off as possible. 2)Check you chain. Make sure that isn’t too loose or it can break off your stator sensor ( http://www.miniriders.com.au/motor-tutorials/25618-stator-replacement.html ). You’ll then be up for a new one. The oil your chain: - Cleaning a Motorcycle Chain - webBikeWorld - Motorcycle Chain Lube - webBikeWorld 3)Check your brakes give them a clean: - http://www.miniriders.com.au/running-gear/14201-how-make-sure-your-getting-most-out-your-brakes.html - http://www.miniriders.com.au/running-gear/14996-video-brake-bleeding-masterspoon.html 4)Check spokes. Tighten if needed or replace them if needed: - http://www.miniriders.com.au/running-gear/18971-how-re-spoke-wheel.html - DHZ Mini Moto - Wheels & Tyre 5)Give your carbie a clean: - http://www.miniriders.com.au/carby-tuning/16270-carby-pull-down-rebuild-tutorial.html ( alrounder, Just do the same with your carbie). 6)Put some decent oil in it: - Shell Advance 4T Motorbike Oil - 15W-40, 1 Litre - Supercheap Auto - Castrol Activ 4T Motorbike Oil - 15W-50, 1 Litre - Supercheap Auto 7)Clean air filter and oil: - Motorcycle Air filters â€“ Bike maintenance â€“ Castrol Motor Oil and Lubricants - Dan's Motorcycle "Air Cleaners" - http://www.miniriders.com.au/tech-talk/26743-how-clean-your-pod-filter.html 8)Check all bolts are tight, lock tight if needed. 9) Check valves: - http://www.miniriders.com.au/motor-tutorials/24965-how-set-valve-clearances-horizontal-engines.html - YouTube - How to check valve timin on Honda 50 70 cc motors - QingQi (Qlink) 200GY Illustrated Valve Adjustment If the is anything I’ve missed please tell me or add it to your post. Please contribute.