Evans2711

Hi there I brought a Yamaha YBR 125 new on friday. I was wondering about the running in of it as was told to stick at 5,000 revs and is harder than it seems! I did about 60 miles on it then started going up 7,000 revs and bike felt fine even at its top speed its seems fine!!! even managed to keep up with a pack up superbikes for a journey back to my home town... I have 170 miles on the clock at the moment I know they say keep at 5000 for 100 miles then rev to 6000 to clean the injects but they say to stick to 5000 as temperature treatment with the engine where it needs to get used to being started up regularly otherwise the metal can get defects or the pumps need running and mainly it is to solve problems that go wrong early and get them fixed... But as I race superbikes is hard for me to stick at a slow speed! but when we run in a race engine do about 19 laps of a track then its run in so abit confused on why they say stick to 5k revs!!