Hi all, this is a great forum I have been reading for a while now and would like to ask about this engine swap.
I have a ZZR250 in the UK and was considering fitting a post '08 motor but after reading all the specs I see the newgen motor has a different ignition timing curve. i.e. the pregen has a fair bit more advance.
I can't remember the exact difference but it was significant.
I found the specs. again, preden advance = 42 degrees at 4500 rpm. newgen advance = 38 degrees at 6000 rpm
Is this going to be problem? How do your bikes perform with a newgen motor running with a pregen CDI etc.
Thanks for any help you can offer.
Ivy.
Last futzed with by ZZRIvy; July 1st, 2016 at 04:50 AM.
Reason: More info.
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