so we tested the long 80mm intake stacks ( which do not fir air box - as a test), mid length 60mm versus the OEM on last years engine.
long stacks made 208 hp with 124 lbft RED curve
Mid length stacks made 207.6 with 120 lbftPURPLE curve - New Current set-up
last year 205hp with 118 lbft GREEN curve
we still have a flat spot our view its the Akra 4in1 exhaust low end issue, whatever we do with fueling/ignition timing it don't improve
pity the air box cannot fit the long stacks - (Gen1 airbox if i recall is taller) as this makes power and torque improve everywhere, but at least the head mods are an improvement. Making 10 more HP mid range 6,500 and 8,000
i had a test ride last Wednesday and the in gear datalogging shows a noticeable improvement.
Bike arrives this tuesday night so will be comparing datalogging of new package, she seems to accelerate harder than the similar powered ZZR i have.
Carbon wheels help to accelerate harder.
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