www.zxrworld.co.uk

lol do you mean me becoming fat or unnecessary things like front indicators?

Your Bike looks really good. Can I ask what you used for the gear shifter? it looks nice and neat.

Thanks

Thanks
The shift-lever is an standard item. It is directly mounted to the gearing axle which has an 11mm multiple tooth ending. Mine is I think from an Ktm but most crossers do have similiar ones. You only need to measure the right length fitting to your feets And as you dont have the linkage anymore the shifting scheme is inversed (1st gear up, all others down)

Cheers


During the last months I also had the time to optimize the bike a little more and I could get it down to 140,2kg without fuel this weekend. New features are:
-carbon handlebars
-bosch electrical waterpump + alloy/ silicone hoses
-new downpipes
-rear sets I think are new either
-koso db02r tachometer (as my old one was broken...)

Bike is looking great!

Just out of interest which Bosch water pump did you use? and where did you position it on the bike?

The pump is mounted at the position which allows the shortest possible hoses: on the starter motor/ generator cover. As the fittings are 90° to each other the pipes are all straight.
The water pump has the bosch article number 039202300X. The last number could be 0, 1, 3 or 4 as far is I know. They´re usually installed in Mercedes Benz cars as additional water pump for when the motor isn´t running.
I´ve currently installed it with an on/off switch but I´m planing to get a matching potentiometer (adjustable resistance) so that I can set the fluid rate optimal for the recent conditions, the maximum is 900l/h (pressureless).

Some new knowledge for your "don´t do this at home" list:
-Carbon fibre handlebars: Bad idea as both are broken. They´d need to be thicker to work fine and then they aren´t much lighter than hollow alloy bars...
-Lightened rear disc (bigger holes and 4mm thickness) got pretty hot during normal use and warped...

Everything else like hollow alloy axles and carbon braided brake hoses do work fine

After this season I decided to rebuild the bike for track days only so that I can get rid of the unnecessary road stuff. I´m looking forward to finish the project this year. However the deadline is April 17...
Things to do:
-Stripped race loom
-Remove starter and generator+flywheel
-building up a 2nd racing engine
-more lightweight stuff

The project began this september and here is what I´ve done till now:

1) Starting point




2) Enginge work (mostly with defect parts for trial here...)










3)Stripped race loom (following Banners great work )



4)Lighter alloy linkage and hollow bolts


5) Todays progress, loom installed and some little mods done






Hope you like it so far Target is around 70-75hp and 125kg without fuel. If you have any further tips or ideas for a trackbike I´d be glad to hear them
Cheers!

Dominik wrote:Thanks
The shift-lever is an standard item. It is directly mounted to the gearing axle which has an 11mm multiple tooth ending. Mine is I think from an Ktm but most crossers do have similiar ones. You only need to measure the right length fitting to your feets And as you dont have the linkage anymore the shifting scheme is inversed (1st gear up, all others down

Thanks for the reply. I have not been on here for ages so only just seen it. Loving the bike

Lol me too

2nd engine is finished and only needs valve clearance to be done. Then i'll find a proper setup and put it on a dyno, expecting 70hp+. Maybe i will build myself an special airbox before next season if i can find enough time. Thinking about an alloy construction as I'm not that firm with GFK or carbon

However I will fit a Mv Agusta f4 race fairing! Ive Seen some 400s with them and I love the style and aerodynamic aspects

The bike is currently under construction and should weigh 131kg now

I love them with F4 fairings, I always look at them on ASS racings website the bikes are beautiful. Good luck with them build and keep the photos coming.

Getting started with the Mv Agusta Fairings:







Before this gets finished I´ll put the new engine and a new front fork + axle in within the next days

Had to wait pretty long on the fairing´s fasteners so I´ve done some more stuff before finishing the fairings:

Bigger 25mm bearings for the zx6r axle, selfmade distance in between fits 100%


Zx6r 07/08 Showa forks




Needs some sort of spacers to get the handlebars in decent positions


Adjustable steering angle which is needed for the Mv Agusta fairings. Thanks to Ass-Racingparts for helping out with brilliant ideas!


New tuned engine with race loom and single coils fitted




And getting it total loss with ASS flat racing cover




Lightened shifting shaft


I´d say that´s about it. Take the fairings on!

Whoop whoop

i was having a think, i bet you could sort out a small arduino/raspberry pie module that would take the sensor data from the heat probe (located with the thermostat) and hook that up to the arduino, and have that control the signal pulses going to the fuel pump.

that way you could always keep the engine at a set point temperature wise, i.e. at a standby your pump would be going quite fast to get hot coolant from the engine to your radiator, and when you start moving your pump speed would slow down, and then gradually buildup speed to maintain the engine temperature. might help keep the temperature good without taping the radiator and having it get too hot in traffic/stationary...

Would probably work but I´ll keep it like that. Haven´t had any problems with coolant temp yet, neither hot nor cold. If I integrate any sort of control then most likely an adjustable resistor...