Questions & Answers for: Hero BR1R CR 125 chain noise

...sound from engine, the service centre told me it is a problem of pretensioner assembly and timing chain, so they changed the whole pretensioner assembly, timing chain with its guides etc. After

chain making lot of noise looks like it is loose If it is making a lot of noise, it is probably loose, un lubricated and possibly worn out. If you have had this condition for a long period of time, ...