1994 Honda CBR600 F2 De-Smog Page 8
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Information contained on
this page is not
recommended by Honda
and could be illegal in
some states.
Please use this as a guide
and let your own
knowledge lead you.
Please let us know if you have
any other ideas!
CDI Box:
While this has not been confirmed by any sources, it was assumed that the CDI
boxes use different spark settings between 49 state and California bikes.
Both use different Honda part numbers and can be identified by the first set of 5
numbers on the box.
49 State:
Honda OEM #30410-MV9-600
First 5 numbers on CDI - MV9EC
California:
Honda OEM #30410-MV9-770
First 5 numbers on CDI - MV9AC
This swap can be very cheap! With most of the CBR's in the
US the 49 state version, find a online motorcycle forum and
search for someone parting out a bike. We found one for $30.
This is a huge savings over the $700 Honda wants for a new
one!
If you have any info on the CDI box differences, please let us know!!
When tested in the 49 state CBR600 F2, we noticed a difference in idle speed and
performance.
49 state CDI - Idled normal and allowed smooth acceleration
When the CA CDI box was installed on the same bike with NO other changes, idle
speed dropped by 500 rpm and acceleration was rough. An F3 CDI box was also
tested and although better than the CA CDI box, there was still rough acceleration
compared to the 49 state box.
