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**dustom_99** · 11-28-2014, 12:28 PM

Re: Kawasaki Z800 - Dream Comes True

Aftermarket tuners will always show low power in initial runs by skipping application of standard corrections ( called Raw power).
So that their work is appreciated more.
Secondly there dyno are not calibrated to manufacturer standards. So same bike being dynoed at some other tuning shop might as well show much better bhp.
Its not unheard of loosing 25% power at the wheel of a motorcycle.
Firstly most motorcycle use spur gears to keep weight down and secondly most motorcycle have two chains in power transmission. First engine to gearbox , called primary and second gearbox to wheel.
Each chain will account for nearly 7-10% loss alone.

**drsureshmohan** · 11-28-2014, 12:29 PM

Re: Kawasaki Z800 - Dream Comes True

That's a very satisfactory explanation thanks

**hifisharu** · 11-28-2014, 12:43 PM

Re: Kawasaki Z800 - Dream Comes True

Dustom_99: The spur gears, are you referring to the ones in the motorcycle gearbox? I'm pretty sure most gearboxes use helical cut gears, to keep noise to a minumum, and also to help meshing smoothly. Though the transmission losses could be the same. So, if this is the case, then can't we dismiss the Street Triple de-tuning case also as being such readouts from the ARAI dynos? Now Triumph has to publish those figures instead of the company figures?

**dustom_99** · 11-28-2014, 12:57 PM

Re: Kawasaki Z800 - Dream Comes True

Originally posted by hifisharu View Post

Dustom_99: The spur gears, are you referring to the ones in the motorcycle gearbox? I'm pretty sure most gearboxes use helical cut gears, to keep noise to a minumum, and also to help meshing smoothly. Though the transmission losses could be the same. So, if this is the case, then can't we dismiss the Street Triple de-tuning case also as being such readouts from the ARAI dynos? Now Triumph has to publish those figures instead of the company figures?

You are right , most gearboxes use helical , but automotive gearboxes as in cars. Not in motorcycles.
Since in motorcycles noise of motorcycle engine+ exhaust is much more than any noise gears could make ( as the rider and engine are both exposed, no engine bay ) it is not required to use quite gears.
Since weight is prime , and spur being lighter & cheaper , they make lot of sense.
Some cruisers use helical profile for 5/6 gears , but most ( 95%) motorcycle use spur.
Performance bike specially.
But who knows , Honda & Kawasaki could do anything to go that extra mile on engineering front. Lol

And gone are the days when actual gears used to mesh and come out of mesh.
These days whatever the gear ( spur or helix) it is always in a mesh with its counter gear.
So tooth engagement sound is a bygone phenomenon.
These days only synchro rings mesh / or dogs mesh. Which are made of very soft brass alloy to keep sound down

**drsureshmohan** · 11-28-2014, 01:08 PM

Those who are technically sound can get the hardware and software for usd 390 from Woolich , u can flash/ re flash three bikes unlimited number of times -) u can re enter factory settings as and when u please -)

https://vimeo.com/113096479 guys I'm posting a video file of the stock exhaust . Was taken by my wife

**sharathchandra** · 11-28-2014, 10:00 PM

Re: Kawasaki Z800 - Dream Comes True

Originally posted by hifisharu View Post

So, the 112/113 bhp one showed 80 bhp at the wheel? On the dyno? Before the ECU re-flash?

You can see what I'm hinting at. If this is the case with the Z800, maybe even the Street Triple showed 78 bhp on the dyno, though rated at 105 bhp at the crank. If this is the case, then the entire de-tune fiasco can be put to rest.

If that was the case then Triumph wouldn't have had to update their site nor was it necessary for them to ask the customers to read their fine print. Don't you think so? If a 105bhp bike makes 70-80bhp at the wheel then now after the update the 79ish striple would be making around 55 at the wheels. So the case cannot be rested mate.

Sent from my GT-I9500 using xBhp Connect mobile app

**drsureshmohan** · 11-28-2014, 10:13 PM

Re: Kawasaki Z800 - Dream Comes True

the goodies have arrived , the GPR emblem and db killer are packed separately . Tommorow morning someone is coming home to fix it

**drsureshmohan** · 11-28-2014, 10:17 PM

Re: Kawasaki Z800 - Dream Comes True

fly screen from Rizoma

**nitrosatya** · 11-28-2014, 11:53 PM

Re: Kawasaki Z800 - Dream Comes True

Please do let us know the wind protection capacity of the Rizoma screen!

Sent from a mobile phone

**drsureshmohan** · 11-29-2014, 08:39 AM

Well I know from that forum it's good upto 190 kmph , I mean that's how much he tried and wind blast was only 40 % at same place and speed . If it does not rain will try tommorow

That forum = Thai forum

**djay99** · 11-29-2014, 11:25 AM

Re: Kawasaki Z800 - Dream Comes True

There are a total of 3 variants in Z800 and 1 in Z800E. Following are specifications:

Z800 A/B make 113PS and 83NM of torque.

Z800 A/B HR (Honeycomb Catalytic converter - Restricted model) makes 106PS and 80.5NM

Z800 C/D make 95PS and 76 NM

Z800 E makes 47PS.

Z800A is non ABS variant and Z800B is an ABS variant with 113PS power which is sold in India. I hope this point makes clear that Kawasaki is not selling 95PS variant here in india.
Your engine number will have AE and frame will have ABDA. Hence engine makes 113PS.

**drsureshmohan** · 11-29-2014, 04:52 PM

Re: Kawasaki Z800 - Dream Comes True

https://vimeo.com/113143193 friends the GPR pipe was fixed , I decided not to remove the db killer as it sounds so nice . The lower end acceleration is same as stock , after 4000 rpm no comparison , feels quicker . Deceleration popping is same as stock but audible Bcos of louder can

**drsureshmohan** · 11-29-2014, 04:53 PM

Re: Kawasaki Z800 - Dream Comes True

Thank god I didn't get it earlier on the odo bcos today I touched 8 k rpm and did a wheelie !

**drsureshmohan** · 11-29-2014, 06:00 PM

Re: Kawasaki Z800 - Dream Comes True

Rizoma

**drsureshmohan** · 11-30-2014, 01:47 PM

https://vimeo.com/113186748 ok guys music without db killer but with internal baffle . I loved the deep bass sound

We went for a spin in the rain -)

VimeUhOh

https://vimeo.com/113187027

Sorry, we couldn’t find that page

The above video is a comparo with and without db killer

Update: my bike has now completed 1700km and i had a chance to open up to redline in 2nd gear , it was like a banshee howl @154kmph

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Kawasaki Z800 - Dream Comes True

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