Maintenance & Technical > KX500 Original
MONUMENT TO THE 2-STROKE, PART 2 - FINAL ASSEMBLY
flyingfitz:
Did you bleed the head with the bleeder screw? If you didnt, the air bubble at the top of the head could make the motor run dangerously hot.
81cr450:
flyingfitz is quite on the money. When we install , at work, a newly rebuilt motor you must bleed the air pocket out of the head. 350 chevys you just leave off the theremostat housing & fill to there , 6cyl jeeps have have a heat temp sensor you leave out till it spews, fords are a heater hose fitting...... If you didnt bleed you could have really warped the head on the first fire up.
Also have you replaced the head gasket with all this torqing & retorking. They're pretty well made to bolt down once, with clean prepped surfaces. If you get oilly af on the gasket your pretty well fighting a lost battle in my expierience . I have reused before but you pull the gasket clear out, carb clean surfaces & the gasket, then coppercoat the hell out it on both, or all 6 sides if its the 3 layer . & I would only recommend this on MLS/steel or copper that aint been run long
delphipro5:
Never took the original tourqe off the nuts. never loosened them. just loosened the engine mounts and put a tourqe wrench to the nuts up to 22 ft.-Lbs. then tightened the engine mounts again. ran it for the break-in. leaking stopped. rode it all day today no coolant lost. have not had to put any in at all. so obviously I didnt lose that much. it was well bled, and looks clean. THANK GOD! :lol:
So far so good. Had it do something funky to me one time when I came back to the truck today. I was revving it in neutral and the engine grabbed and made this weird spooling noise... Trust me I was not happy, I got it on vid too! :| But I ran it again after checking it as best I could and it ran fine no problems. Got on it pretty hard at the end of the day and it didnt do anything weired so I really don't know what that was about. :?
Runs good really, popped a pretty nasty wheelie in 4th today.... wasnt even trying to! :-D you could say it's got some power! :evil:
delphipro5:
Heading There.
At the trails.
Heading home.
Finally got it dirty. (well, dusty at least!)
This is what came off the magnetic drain plug. Not bad for a break-in.
The oil looked O.K. and I got 800ml out. I put in 800ml., so thats good.
Here are the links to the vids:
http://youtu.be/ckhqQlsfaFg
http://youtu.be/jKs6VmcdJdI
http://youtu.be/Lwm4dduS7es
http://youtu.be/7YEp9qOnwAs
delphipro5:
Does anyone have any insight as to what this may have been?? Looking at the vid again, I was getting on it too much for being in neutral, on only about it's 5th mile of driving. If you whatch close you can see the bike try to pull itself forward right when the noise happens. Immeidiatly I hit the kill. ran O.K. all day after this too... no slip in the clutch. Also the tranny is so close now, feels brand new! neutral is so small between 1st and 2nd it's tough to find.
:?Maybe the tourqe from the revvs made it drag on second gear somehow. :? Don't know for sure.
Chk It out: http://youtu.be/jKs6VmcdJdI
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