Hi All.. I am a new all too happy owner a Marine blue TB 500 (pics attached). Did some 1600 kms in 2 months. And overall it has been an extremely satisfying experience considering it is also my first bike. But off late I am experiencing some issues and they worry me to the bone:-
1. Bike's engine is giving a strange whirring noise when you take it beyond 2500 rpm in any gear. As far as I remember I didn't hear it coming even two days back when I took it for the first time beyond 80kmph for a few seconds only. It is not a sound which a new rider would notice because s/he may shrugg it off as bike revving harder but it has certainly worried me. Any help on this? Is it because I took the running in period lightly? (Though I seldom go beyond 80kmph)
2. Secondly I saw some brownish rust specks on its chain. In this monsoon season I hope to keep my bird rust protected. I have ordered 3M cleaner and lubricant. Is it the right choice? And is using cleaner absolutely essential?
3. Finally I just need to know that do I need to change engine oil before my second service? I read at some place that it may be changed for every 1000kms.





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