KX Riders
Maintenance & Technical => KX500 Original => Topic started by: dezracer on September 15, 2004, 04:22:38 AM
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I'm in the process of totally rebuilding my KX500. I bought the bike used and the neglected top-end needs maintenance. Got to ride it one time. :evil: So basically the cylinder is very worn. Some mild scaring, nikasil flaking off around the exhaust ports and just overall way overdue for a fresh top-end. So my question is......what is the best type of cylinder to have? Should I get it replated with Nikasil or just have it resleeved with a boreable cylinder.
In my mind the Nikasil is the right thing to do. I've heard that it's way cheaper to do it the other way so that I can just have it bored out every time I need to clean up the cylinder.
What do you guys think?
Thanks,
CW
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dezrazer,
Resleeve,just mine 2 cent! :wink:
You can change many pistons before a new resleeve. 8)
// doordie
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Rick puts the most miles of all of us I would say and he replates his.Cant remember who he uses,theres a thread here somewhere on it.
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Replate!!
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How much for a new cylinder and where could I get one a a descent price? :?:
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Replate, replate, replate!!! If you are very fast, you will HATE a sleeve. There is only one company that I allow to do this work, as they do the replate work for most of the factory teams. Here is the link (check out the testimonials):
http://www.rpmsbigbore.com/
I actually have two cylinders so I have not down time. However, I know that RPM also has a replacment program that works pretty well.
As for miles, yup, I ride a lot, as I'm trying to get all the riding in possible before I die. This summer, I even spent 9 days in the mountains camping over the 4th of July, and rode just under 700 miles, but then again, I was trying to get back in shape after my broken collarbone. Oh yea, it worked...
Also, today I picked up enough oil to mix 50 gallons of gas, so think I am set through the rirst part of November...I hope.
Good luck.
Rick
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Also check out Forword Motion http://www.eric-gorr.com many people happy and stupidly low prices. Used him for years and have never had any trouble, he replated almost every bike I've had. It's now $450 for a total top-end rebuild, including porting (to your choice), piston and gaskets, cleaning the complete cylinder and PV, this also includes a bore to 520cc and NICOM plating by US Chrome, which I believe RPM uses for their replating too.
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Kelly's $325 for a new cylinder, atleast the one and only time I had to purchase one ;)
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Replate !! replated cylinder are better than a new one (thicker Nicasil)
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Opsopsops!!!1 :oops: :oops: :oops: :oops: :oops:
I`m so sorry, naturally should you replate NOT resleeve I mixed the words. :oops:
I got a resleeved cylinder and have many problem about the heat
don`t even expand from aluminium to steel,causes siezing spots.
So if you don?t want any problem,replate it.
Sorry again for mixed words!
//doordie
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Thanks guys. I'm going with my original plan and will have the cylinder replated. I'm going to use Rick Peterson Motorsports. They are close to me so I should get my cylinder back within 3 weeks. I checked on buying a new cylinder and Kelly's said it would be like $560. Maybe in the future that would be an option. I'm a little poor right now since I just got done doing the motor on my 380 and the 500 is getting the works. I'm totally redoing the whole bike. The checking account is running a little low. Hopefully when I'm done, the 500 will rip again. :)
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I just love a fresh 500...
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It's better than new car smell. :D
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Thanks for the tip on Rick Petersons Motorsports. They hooked me up. I decided to go through the whole motor. New top-end, bearings, seals and repainted the frame and cleaned everything. It does not look like the same bike that I started with. Sweet. :D
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That's the way to do it. Just replace everything at once. Early summer I did the same thing including the bottom end as well. I opted to powder coat my frame in black and replaced every fastener, nut and bolt while I was at it. I wanted a newer K5 but my boss gave me a $2K budget to rebuild. I just had the suspension rebuilt by Race Tech last summer. Ha! I still have $300 left over to put something else into it! How does the V-Force perform compared to the Rad Valve?
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Rad is more top end (moves the power). V-force makes it broader,more responsive.
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That's the way to do it. Just replace everything at once. Early summer I did the same thing including the bottom end as well. I opted to powder coat my frame in black and replaced every fastener, nut and bolt while I was at it. I wanted a newer K5 but my boss gave me a $2K budget to rebuild. I just had the suspension rebuilt by Race Tech last summer. Ha! I still have $300 left over to put something else into it! How does the V-Force perform compared to the Rad Valve?
I will recommend V-Force3 thats the best reedvalve we have tested !!!
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Thanks for the info. As I have left the So Cal desert some years ago and now ride the woods more often than the desert, it sounds like I would benefit from the move to a V-Force intake.