Well the King has over 8000k's on it now so its time for a quick tune of the std ECU using the Yoshimura Tuning tool , and again a great result for the SBP crew with the dead standard B King making 164 rwhp and 95 ft lbs. of torque
With an exhaust and a full Power Commander tune-up this bike should see 170 Plus horse power and a jump in torque to match.
Continuing on our Upgrade path for the BKIng we pulled the motor out. After removing the head we bolted it to our porting stand and proceeded to improve the flow path of the inlet and exhaust , careful porting and checking on our Superflow 120 FC resulted in an additional 8 CFM .
We followed this with a
slight face of the head by .010 and following this reassembled the motor .
The cams were then dialled using adjustable sprockets to SBP Specs , and after reinstalling the motor we removed
the bottom gear timing retard and optimised the fuel curve using the
recently acquired tuning tool the ECU Editor program (thanks to Petrik) and
a hardware interface to allow the tuning of many GSX and GSXR models.
(as well as some Kawasaki's call us for more info).
This resulted in 170 rwhp and 102 ft lbs. of torque, still using the std air box and exhaust.
We fitted Yoshi mufflers under the std covers for that stealth look and back onto the dyno for some tuning. This netted us 176 rwhp and 106 ft lbs. Next was the 50mm Ram tube from a GSX1100 Air Box for a total of 179 rwhp and 106 ft lbs.
A Yoshimura R55 full exhaust was purchased and fitted . Then on to the dyno for some serious tuning to see what the tuning tool and new exhaust would bring. After some adjustments to the timing and fuel balance and many more runs of testing result we ended up with 190 RWHP and 108 FtLbs. The most HP from a Busa motor on our dyno !.