- Medium Boost
- Posts: 544
- Joined: Dec 10th, 2017
- Location: Quebec
- Bike(s): H2 SX SE '18
- Website: http://supercharged.ninja
- x 137
- x 161
2018 H2 SX SE (1st in Canada)
2011 Ninja 1000 (sold)
2009 Ninja 250R (sold)
The 2 proven ways to get more boost and power on the regular H2 are a redline bump and replacing the gears that drive the supercharger.
Redline bump is the most cost effective because it's basically done with a tune and flash. On a newer model bike it's risky but on the regular H2 and other Kawasaki's redline bumps have been used for awhile without any issues. The redline bump only adds to peak power which is not necessarily a bad thing on a super powerful bike.
The supercharger gear change costs more in parts and requires a re tune. It adds more boost across the rev range meaning more power everywhere. With more power at the low and midrange it can make the bike more difficult to ride because the amount of power makes it easier to accidently lift the front wheel with less throttle. So coming out of corners the bike can become less stable. Especially lower gear corners. With the supercharger gears you may have to upgrade the blow off valve if the boost is too high. Otherwise it's a wasted effort.
I'm interested in the redline bump mainly because 1 it's easy to do and 2 it only affects rideabilty at full throttle.
Stock with airfilter 164whp 84ft.lbs
De-restricted + tuned 213whp 97ft.lbs
Full vandemon exhaust with tune 221whp 99ft.lbs
On Race Fuel 233whp 103ft.lbs
I can limit the aggressiveness of the throttle and even the amount of total throttle you get In the lower gears to make the extra boost usable.
This is when the mode switch actually becomes a tool
Allowing you to change between aggressiveness of the throttle but all make full power when turned to the stop or in this case maybe the least aggressive mode has throttle limits in first and second.
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