Maintenance & Technical > KX500 Original
MONUMENT TO THE 2-STROKE, PART 2 - FINAL ASSEMBLY
DoldGuy:
--- Quote from: Friar-Tuck on June 29, 2011, 07:12:15 AM ---
Polar, I'm sorry I don't understand what difference is if your using a steel frame or an aluminum frame.
I have no formal training, and don't want to spread bad info, so I am wide open to finding out the truth.
The head gets torqued to the cyl and then the head stay is tightened. Are you saying the head stay is pulling the head away from the cyl. and causing the leak due to frame flex? It seems hard to believe, but hey stranger things have happened...
And if this is the case, what is the corrective action?
Thanks for your patients, I like I said I don't want to spread bad dope.
Thank you again MoRad for the Photo layout, a pic is worth a thousand words!!
Tuck\o/
--- End quote ---
Tuck, I think Polar Bus was saying Antifreeze with the AF used as short.
DoldGuy
delphipro5:
Yeah, I get flustered easy. Sorry to all that have to listen to me bitch. :lol:
It looks to me to be solved. I the loosened the engine mounts, and retourqed stud the nuts, then retightened the engine mounts bottom to top. Have not noticed it leak yet since. I only lost about 9ml of fluid from what I can tell.
I will see what it looks like when I get back to the shop tomorrow morning.
Was going to fire it up this afternoon, but the weather is SOOO humid up here right now! :x I would rather it be a crisp, sunny, 75deg. day for initial; break-in. But thats like a needle in a haystack this year! Weather has sucked up here for the last 2 months! And I got on the oil conundrum again as far as break-in goes. Then finally settled on using VP's S.E.F. 94 fuel mixed 40:1 with Golden Spectro semi-synthetic oil. Have used it my whole life and always will. As far as break-in with it, it does have a true petrolieum fraction to it. I don't think It will cause trouble with the rings not seating. After going over it a 1000 times, this was the best mix I can come up with.(for my break-in)
Still. will be doing most of my engine work myself from now on.
The battle continues................
Polar-Bus:
--- Quote from: delphipro5 on June 29, 2011, 10:41:30 AM ---Yeah, I get flustered easy. Sorry to all that have to listen to me bitch. :lol:
It looks to me to be solved. I the loosened the engine mounts, and retourqed stud the nuts, then retightened the engine mounts bottom to top. Have not noticed it leak yet since. I only lost about 9ml of fluid from what I can tell.
I will see what it looks like when I get back to the shop tomorrow morning.
Was going to fire it up this afternoon, but the weather is SOOO humid up here right now! :x I would rather it be a crisp, sunny, 75deg. day for initial; break-in. But thats like a needle in a haystack this year! Weather has sucked up here for the last 2 months! And I got on the oil conundrum again as far as break-in goes. Then finally settled on using VP's S.E.F. 94 fuel mixed 40:1 with Golden Spectro semi-synthetic oil. Have used it my whole life and always will. As far as break-in with it, it does have a true petrolieum fraction to it. I don't think It will cause trouble with the rings not seating. After going over it a 1000 times, this was the best mix I can come up with.(for my break-in)
Still. will be doing most of my engine work myself from now on.
The battle continues................
--- End quote ---
Well this is a good initial observation (no leaks) but bear in mind, once the engine is up to operating temps your cooling system builds approx 16 psi of pressure. If there is still an issue, this is when you will see it. If you see no external leaks hot, thats even better. Keep an eye on your AF ( this abbr means ANTI-FREEZE, not ALUMINUM FRAME :-D ) level , if AF is disappearing pull your plug and smell it if it smells sweet like AF you still are leaking AF past the head gasket internally.
delphipro5:
I did a three heat cycle break-in today, then ran it for about 8 min. with a few good revs at the end then shut her down. :-D
This is what I will use for the break-in and first few tanks of fuel. Mixed at first to 40-42:1 and working up to 46-48:1
Then move on to running C-10 mixed with G.S. oil 48-50:1
From what I can tell the weeping at the studs is minimal to none now.
This was after it was hot the 2nd cycle.
I have lost more An. fr. from the drain tube than anywhere else? I think it may have been a little overfull to begin with, but I have not had to add any yet. Runs good, I don't smell any an. fr. burning in the exaust smoke so I think all is good for now.
This thing is heating up quick! and gets hot! I have it just sitting still which does not help to cool the rads. And break-in causes extra heat so maybe that is why it is spitting coolant from the overflow a bit.
And it still is a vibrating beast from what I can tell so far... Just sitting on it for the last 8 min. run my hands and ass were numb! :x It's the kind of vibe that shakes nuts and bolts loose and liquifies your forearms. NO real change from before... maybe this will go away when riding at operating RPMS???
Oh well, we shall see... when I take it for it's first ride on saturday.
I have a video of the break in but I still cant get it on my comp. not working for some reason?
All in all it feels and sounds VERY Strong! :evil:
Marco810:
its spitting af out the overflow because your getting blow by going through the gasket and into the water jacket causing excessive pressure in your cooling system. willing to bet its got af in the combustion chamber :-(
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