Maintenance & Technical > KX500 Original

ReTorquing Query

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Hogwylde:
HHmmmmm......all valid reason and a very good point!  With the frequency of your top ends and several years experience, I'm sure you've come up with a practical (and cheaper) solution that seems to work very well!!

Although, for someone like me (and maybe other spodes out there) who only do a top end during the winter non-riding season and don't have the skill to tune perfectly for weather and temp changes and lives with a slightly fat tuning for safety in a range of temps......a yearly topend will include pulling the head and power valves for cleaning.

MarkNZ:
OK

I Hear What you're Both saying and it all makes good sense, These days my riding is now Confined to trail-riding with a 4-6 hr Cross-Country thrown in maybe 2 -3 times a Year. My KX is still Basically Stock, apart from the PC Hardware and Boysen reeds, Bars and Graphics its the real deal. And I Keep it Clean and well maintained, People Comment on How Cool it Looks . Its the only KX500 I 've Got. The Main reason I took the Head off was so's I could take the Jug in to the Performance Shop to get it Cleaned up prior to putting the #2 Piston in. End Of Story. Its funny the Engineer had a good look at it and said he would'nt even take the 10 Bucks off me to clean it up as it did'nt need it ! Put it straight Back on and Start Riding ! Not Bad after 5 1/2 Years hehe

Now, Whos Gonna answer my Question? The Heads Been off, though with my Riding Frequency it certainly wont be coming off Again. What about the Re-torquing Question ?????

Paul:
Jumping in late here, I'll dust off my MMI manuals and get you that spec later today.  I need my coffee to kick in first ;)

--- Quote from: MarkNZ ---OK

I Hear What you're Both saying and it all makes good sense, These days my riding is now Confined to trail-riding with a 4-6 hr Cross-Country thrown in maybe 2 -3 times a Year. My KX is still Basically Stock, apart from the PC Hardware and Boysen reeds, Bars and Graphics its the real deal. And I Keep it Clean and well maintained, People Comment on How Cool it Looks . Its the only KX500 I 've Got. The Main reason I took the Head off was so's I could take the Jug in to the Performance Shop to get it Cleaned up prior to putting the #2 Piston in. End Of Story. Its funny the Engineer had a good look at it and said he would'nt even take the 10 Bucks off me to clean it up as it did'nt need it ! Put it straight Back on and Start Riding ! Not Bad after 5 1/2 Years hehe

Now, Whos Gonna answer my Question? The Heads Been off, though with my Riding Frequency it certainly wont be coming off Again. What about the Re-torquing Question ?????
--- End quote ---

Rick:
Wow, 5 1/2 years out of a jug, and still in great shape!  :shock:  I can't even get 2 year before it needs to be plated again!  :cry: The jug I have on the shelf waiting to go to RPM for plating is so bad that the piston was running on bare aluminum at the exhaust port.  Still had good power, but since I had another jug to swap on, didn't want to take the risk.

Still sitting here in awe at 5 1/2 years.  Must be that the coffee has not kicked in yet.  :?

As for winter riding, I've had some of my best injuries riding in the snow in the winter.  In fact, on Christmas Eve 2001, we were practicing in a snowy tight canyon, and I slipped off the wall in a tight corner when I lost traction on the the front wheel.  Had to ride 20 miles with a dislocated sholder and seperated clavical to get to the truck, and then drive another 4 hours to a hospital that I had confidence wouldn't kill me with the treatment.  (Over the years, I've learned to find a hospital with a trama center, and not just a small emergency room.  Much better odds of living a long life).  Arrived home just in time to play the one armed Santa before the kids got up to open presents.  Fortunately, I have a GREAT wife, who doesn't mind me playing so hard.  :wink:

Winter riding is just a whole new adventure...  :lol:

Torque specs?  For what?  Now what was this thread about anyway...

Rick

Paul:
Ok, here it is...

The torque spec is 2.5Kg/M (2.5 kilograms per meter) and the recommended check interval is every 5 hours. Now with that said, I check everything on mine after each good ride, but I also know of guys that have never checked the torque on the head nuts and they haven't had any problems with them backing out.

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