Maintenance & Technical > KX500 Aluminum Frame Conversion (AFC)
Broken AF frame - Do you know of any?
sandblaster:
I guess we'll find out.. :-o
motopunk:
--- Quote from: Dutch-K5 Fan on March 26, 2014, 08:58:43 AM ---What about this SR head?
Kawasaki used front and back headmounts. It's even in the place where many 450f and never 250f have the Original mount.
dutchie
--- End quote ---
very rare factory gp-parts... i still dream to have one of the 3 1990/91 worksbikes or one of this engines ...
but watch out this cylinderhead is designed for the 1990-93 parallel cooling system that the production 125 and 250īs had... the 1990/91 kx500sr is similar in some points to the 1990/91 kx250 . and i still dont know, why its never gone into production...
for sandblasters front mount, i would say : its better to lift up the mount on the frame, as high as possible to get more space to the head and using also brackets like on the rear mount... :wink:
ylwgtr:
It is my view that a bad head stay mostly causes this...we need to think about lateral force aswell as longitudinal ....a cross braced staggered firmly anchored headstay seems to be the answer,the plate method is just too springy for my liking and FORGET using side mounts period...I'd also be using radius tube for the under cradles...I use this on Hondas and kawasakis and not had a problem...I run a telescope join on the upper part of the y with a staggered/castellated join and a round plug weld in a hole on the upper to y join.....I also like to leave a 5mm gap in my telescope joins and sink a weld right down into the root then a dresser weld over the top ....I'm not an engineer or fabricator but this system has worked time and time over for me
hulkteam476:
I can say yes! here is a good design to fit preparation for welding.
Mister, Ylwgtr...
sandblaster:
Looks top notch.
Are you going to use a front head stay as well?
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