Maintenance & Technical > KX500 Aluminum Frame Conversion (AFC)
How well do you like your KX250F/K5 conversion
kaw rider:
Mike
It's all good here. :-D
Motorrad:
--- Quote from: sandblaster on February 27, 2011, 05:35:33 PM ---Leave it to me to hit a nerve.
Sorry guys I didn't mean to go there.
--- End quote ---
All good here also...
nothing that cant be fixed by beating myself in the head repeatedly with broken K5 parts...
Also.. for all the kiddies reading this banter.. I was not refering to Kaw Rider in any of that... I would trust him with my motor... :wink:
Just wanted to make sure that was clear...
sandblaster:
+1
Kaw Rider knows his stuff and will be getting a engine from me soon enough 8-)
Motorrad:
--- Quote from: sandblaster on February 27, 2011, 02:08:42 PM ---Been busy with a million other things but I finally found some time to prep my engine for a rebuild.
When I originally started this project I was going to see how cheap I could do it.
As I got more into it I slowly changed my mind and decided that a full rebuild was in order.
I figured that even if I hated the bike when I got it done, I could always press in some 17mm inserts and run it in my KX5 which has a 11 year old engine that has only one ring and piston swap which was done last year.
Since I am not an engine builder I decided that I would send it off and have it rebuilt by a professional.
Unfortunately I do not know any local builders that are up to my expectations so in the mail it goes.
But, before I send it off I got thinking about if I was an engine builder, what would I like to see?
How about a dirty, grimy engine? No?
How about engine that is clean on the outside but untouched on the inside? Ok, but leaves a lot to be desired.
So, I decided that I would take it all apart, clean and inspect all the parts, and pre-order what I thought would be needed.
Of course, taking the engine completely apart means that every nut, bolt, and washer should be labeled and cleaned...
After all, do I want to pay a great engine builder to clean my parts?
So, with a little effort, every nut, bolt, and washer was cleaned and labeled to save him as much time and effort as possible.
I got as far as the exhaust valve asy today.
As you can see below, spending a few minutes cleaning can really speed up your builders inspection process.
What would you rather inspect, the valve on the left or the valve on the right?
All those engine builders out there feel free to contribute your feelings on this :-D
--- End quote ---
Back on topic... sorry I ran it off in another direction...
Regarding cleaning parts before sending off.... for me personaly... the dirt and grime on the parts tell Me storys of what condition they, and the motor, are in.. they talk to ya in a way...
problems that may be hard to spot on a clean part... on a dirty one can stand up and SCREAM at you....
The dirty parts can also tell you, as a motorbuilder, issues with the customer as well... things they could be doing wrong, that will in turn destroy your perfectly good work, causing the customer to be unhappy once again..
So the parts can tell you how to fix the customer as well as their motor..
(I am reminded of Kaw Riders recent post about the V3 reeds with the Bow in them that was run at 100:1 on castor 927)..
sandblaster:
All valid points.
What can I say.... I couldn't help myself :roll:
When I took this 99 K5 engine down I was shocked to find the original piston and clutch basket.
The plating was still good and the basket had very little wear.
All in all I am very happy with what I see.
We are using new cases, rebuilding and balancing the crank and fly wheel, some porting and exhaust valve work, head mods, plating the cylinder, and whatever else Kaw rider feels is required to scare the nuggets out of me :-D
I can't wait.
I just have to save up a few more centavos... :cry:
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