Replacing your MT-15V3 or R15V3 's temperature regulator is a fairly easy procedure that can resolve overheating issues . This how-to provides step-by-step instructions for replacing an factory part on https://royalbikes.co.in/products/yamaha-genuine-thermostat-assembly-for-mt-15-r15-v3-v4-oem-bk6-e2410-00