what grade oil to put in??

i just had my zx7r motor rebuilt with over sized pistons etc and have run her in for 1000kms, just wondering whate grade oil should i use?? cant get in contact with the builder so might as well ask u guys
cheers

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MAXUMIS wrote:you can get running in oil whitch is very basic mineral and i would run 15/40 to be safe when the motor has been beded in.brocks performance recomended me to run 0/20 in my bike in australian climate ( but im scared to) with a 3HP rise
hoffy V2.0 wrote:Coles home brand
Gosling1 wrote:Motul 5100 semi-synth will be fine from here on in mate. Coles home-brand turns my chips brown.