ZX9R Turbo winter upgrade (Stretch) : KawiForums.com Kawasaki Forums: Kawasaki motorcycle forums

kawi9 · 01-15-2009, 07:04 PM

Hi,

I working again for upgrade my ZX9R Turbo. I stretch my bike with bolt on extension swingarm (3-7inches). This setup will be for race with higher boost 14-15 psi on pump fuel. With this swingarm extension, i will may use all gears until the red line without than the front wheel lift.

I installed my extension, but not finished. It's just for see if the parts are ok and if it's fit good. I would like to know what is the good torque for the bolt on the swingarm extention ? Because it's use kit and i don't have this information.

Also, i search a use ZX9R 02-03 swingarm with axle, shock, link and complete rear brake all in good condition for fit my extension.

This is some pics and i will post more pics when i will progress

whitehendrix · 01-15-2009, 09:26 PM

MAN.. i love the stretch, but i'm not a big fan of bolt-on stuff.

it just scares me.

regardless, it DOES look awesome!!

nice.

couldn't tell ya a torque.. maybe 50 ft-lbs? i'd go til it feels good n tight.. maybe use a mild strenth threadlocker on it just for fun..
good luck!

Ditch Ninja · 01-16-2009, 04:11 AM

they look good man but with that amount of power at the rear. the ? is are they made for that kind of abuse or are they suppose to just look cool

Tough-Guy · 01-16-2009, 12:59 PM

Looks like billet T6. He'll be fine.

Ditch Ninja · 01-16-2009, 01:40 PM

yeah he should be. so kawi 9 you going to switch those blinkers and what not to make it look as bad ass as the power your putting out.

were did you find the those at man

whitehendrix · 01-16-2009, 09:20 PM

it's definitely a billet piece.
whether its 6061 or 7075 and if the temper is T4 T5 or T6 is up to the spec sheet!!!

T6511 6061 aluminum has a tensile strength of i think 48Kpsi

7075 when tempered to T6 is 120Kpsi!!!

only thing is, you can't weld 7075. you CAN weld 6061.. so if one were to buy bolt-on extentions with the idea of welding them and permanaently affixing them to the stock swinger, they'll be sorely dissapointed if they were crafted from the aircraft-grade stuff.

and so ends your tiny metallurgy lesson for the day.

kawi9 · 01-17-2009, 12:05 PM

Quote:

Originally Posted by Ditch Ninja

yeah he should be. so kawi 9 you going to switch those blinkers and what not to make it look as bad ass as the power your putting out.

were did you find the those at man

I bought the extension swingarm on Ebay and they can support big horsepower. Because, i know a guy run 300+whp with swingarm extension without problem. I will run with extension for race. I don't think run on daily ride.

Fast Jetta 97 · 01-27-2009, 05:36 PM

thats freekin siack man....

I LOVE TURBO BIKES....

nice work.... post more pics if you got em....

kilaman · 01-27-2009, 07:43 PM

I have seen hairline cracks on extentions on my friends zx12. 2000 model with a small overbore.

kawi9 · 05-06-2009, 07:03 PM

I show some progress of my extended project. I bought a ZX9 swingarm 02-03 and shock and link, complet rear brake with pedal on ebay. I finished to repaint the swingarm and extension. The result is good.

I bought a long chain EK ZZZ 530 and a new front sprocket Vortex 18 teeth (+2). I have many combo of sprockets front 16-17-18 and rear 38-41-44. The 18 T sprocket is for top speed run.