Hi i wonder if anyone can assist me, i have a 2002 CBR954RR
I put new oil on my bike motul 15w 40 and when starting from cold after a day or 2 theres a louder metallic sound from motor where before oil change wasnt as loud(normal sound) but after 1 min of idling it goes away and bike sounds normal The bike rides 100% like before just this noise when starting any ideas?The bike has 12900KM

I have noticed when starting from cold after bike standing over night or a few days it starts perfectly the auto choke kicks in, the bike idles a bit higher which is normal, without touching anything just leaving the bike as is, when the bike auto choke switches off and bike idles normal the noise goes away, so it seems the noise is there only when the auto choke is on, funny thing is i can let the bike stand for 2 - 3 hours and when starting that noise is not there only when leaving bike overnight or days
Any ideas?

 

ur probably hearing the standard ticking noise that is on every 954. search around for "tick" or something and ull come across a few threads which will probably describe ur sound which is normal during warmup.

 

What oil should i use, full or semi synthetic? What vascosity should i use then?