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What can $25,000 buy you? A well optioned Toyota Corolla is one, another is a supercharged road rocket reincarnate, running around by the name H2. But you didn't need me to tell you that.

Built around a similar 998cc supercharged inline 4 as the track spec H2R, the road going H2 makes a subtle 197 hp, 207 with ram-air. Compare that with the 305 ponies the R pushes out sans ram-air. Peak twist shows up at 10,500 RPM kicking out 98 ft-lbs. It is fully expected that 300 bhp is attainable on the H2 through a simple run of the mill tune, watch out.



The price tag is steep yes, but the engineering is marvellous. The two step supercharger promises to provide adequate boost no matter where in the rev range. For example, the superchargers impeller will spool itself into a dizzying 130,000 RPM while the H2 bounces off its 14,000 RPM rev limiter. Yea.



The Street H2 also shares the whole litter of electronic wizardry with H2R. KTRC (Trction Control), KLCM (Launch Control), KEBC (Engine Brake Control), KIBS (ABS), KQS (Quick Shifer) also including the electronic Ohlins Damper.



Progress is arrested by Brembo binders biting 330mm rotors up front and a 250mm disc in back. Suspension comes courtesy of a fully adjustable KYB setup fore and aft.

Engine: Liquid-cooled, 4-stroke in-line four
Displacement: 998cc
Bore x Stroke: 76 x 55mm
Compression Ratio: 8.5:1
Fuel System: Fuel injection: 50mm x 4 with dual injection
Intake System: Kawasaki supercharger
Cooling System: Water-cooled
Lubrication: Forced lubrication, wet sump with oil cooler
Fuel Capacity: 4.5 gallons
Ignition: Digital
Transmission: 6-speed, return, dog-ring
Final Drive: Chain

Frame Type: Trellis, high-tensile steel, with swingarm mounting plate
Rake/Trail: 24.4˚ / 4″
Front Suspension / Wheel Travel: 43mm inverted fork with rebound and compression damping, spring preload adjustability and top-out springs / 4.7"
Rear Suspension / Wheel Travel: New Uni-Trak® with gas-charged shock, piggyback reservoir, dual-range (high/low-speed) compression damping, rebound damping and preload adjustability, and top-out spring / 5.3″

Front Tire Size: 120/70 ZR17 M/C (58W)
Rear Tire Size: 200/55 ZR17 M/C (78W)
Front Brakes: Dual radial-mount, opposed 4-piston calipers, dual semi-floating 330mm discs
Rear Brakes: Opposed 2-piston calipers, single 250mm disc

Overall Length: 82″
Overall Width: 30.3″
Overall Height: 44.3
Ground Clearance: 5.1″
Seat Height: 32.5″
Curb Weight: 524.7 lb
Wheelbase: 57.3

Color Choices: Mirror Coated Black
MSRP: $25,000
 

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I'm most curious about the heft realistically...

H2R Curb Mass: 216 kg
H2 Curb Mass: 238 kg

Where did that 20 kg difference go?
 

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What does this mean to you?

Well in my opinion, the prices are too high, as predicted, with all the Hoopala
and Teasing, The bikes are great, more so for the R of course, but the $$$$$
is out of line...

The H2 should be $19,500......:eek:
 

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I'm wondering actually if the real difference in the power figures between the two is actually more to do with the gearing on the back of the impeller than anything else? It would certainly cover Kawa's ass and severly limit the ability of the enterprising few to fiddle with the tune in the hopes of chasing 300 bhp. I thought it might of been possible earlier but reading more it seems no bueno...
 

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It is probably the gearing, or also possibly the CPU operating fuel and mapping.

Spoke to my bud at kawi, he said just an exhaust, and flash mapping needed, to
get R power.
 

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It is probably the gearing, or also possibly the CPU operating fuel and mapping.

Spoke to my bud at kawi, he said just an exhaust, and flash mapping needed, to
get R power.
I hope your buddy is right otherwise people would by the H2R for its fantastic wings? >:D
 

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Larger diameter Full Titanium Exhaust $3,000

CPU fuel mapping and electronics upgrades with larger air intake $1,000

no winglets
no carbon bodywork
no higher quality suspension
no higher quality brakes

otherwise the same power as R
 

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Larger diameter Full Titanium Exhaust $3,000

CPU fuel mapping and electronics upgrades with larger air intake $1,000

no winglets
no carbon bodywork
no higher quality suspension
no higher quality brakes

otherwise the same power as R
With all that extra power you kinda want all those aero features, and especially a better suspension package.

I wish they had a belly pan on the bikes. Would have looked nice.
As far as the technical side of it, i wonder what their decision was to have the bottom half of the bike naked. It would have helped for stability at nigher speeds.
 

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I don't think you will get to 300hp. with just those mods ..... but up it to 275hp. maybe
On that Jay Leno video the Kawi rep said that there are differences in the internals between H2 and H2R. No explicit mention was made of where or what was different but I can't but help wonder what risk there is to the guts if we seriously turn up the wick???
 

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Definitely possible. I'll bet you'll be able to tweak more power with minor mods,
but not the numbers people are assuming. Even to bump it up 20hp. would be nice.

After reading that post about the R interval maintenance, it shows there is some
differences in the actual engines.
 

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If you think that just a tune is all that it takes to make an H2 into an H-2R then you need to think again.

Clutch: a clutch designed for 200 hp will never accommodate 250 or 300hp.

Sensors and mapping; there will be substantial differences between these two models that cannot be changed to accommodate 100 hp difference such as sensors (map, temp., inertial, ignition) .

Head gasket : more power= more boost = higher cylinder pressures

Coolant flow rates: more power= more heat

Let's not forget that as soon as you make ANY change you have just written off your warranty.

There are surely more reasons but just why anyone needs another 100 on top of already having 200 is beyond me.
 

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Definitely possible. I'll bet you'll be able to tweak more power with minor mods,
but not the numbers people are assuming. Even to bump it up 20hp. would be nice.

After reading that post about the R interval maintenance, it shows there is some
differences in the actual engines.
All i know European H2 spec bike will have unrestricted E.C.U how i know i know>:D now lets copy the tables of that E.C.U and copy them on the USA Spec H2 all i can say is DAMMMMM. Now no need for that thats why we have MR. Dan from gull TO make sure this baby will run like a BEAST.0:)0:)0:)
 
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