First Time Rider
Arm chair racerNew to the board
About to order piston and rings for this 85 200x. I have a question about it. Heard of people using the xr200 piston and ring kits on them. Will this work? They are listed sooo much cheaper for basically the same thing. My question is about the compression though. There are the flat top pistons, and I see domed pistons in the xr200's that I can see. Anyone have experience with this?
http://www.ebay.com/itm/Piston-65-5m...cb74e2&vxp=mtr
http://www.ebay.com/itm/Piston-65-5m...02cb38&vxp=mtr
First Time Rider
Arm chair racerNew to the board
Compared to the cheapest set for the 200x is around $70
Roostin' Away
Arm chair racerRoostin Away
As far as I know, no, those are diffeent. A friend bought one for his XR200 like it said in the ad.......only the compression height on the oem piston is around 27mm or more and the eBay one is only 22mm.
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Arm chair racerThe day begins with 3WW
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the oem replacement pistons and rings from shindy are made in japan by an oem piston mfg's . . there are no better oem pistons other than possibly an nos honda piston and the kit is only $76.00 . . your not going to find a better deal, especia;lly since an orig honda piston might be around $150.00 without the rings if you can find one..
http://www.hyperparts.com/wc.dll?ctw...~Shindy~04-021
http://www.shindypro.com/piston_kits.html
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Arm chair racerThe day begins with 3WW
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you can buy higher compression pistons which will increase power and throttle response a little direct from wiseco for $128.00 or buy a complete kit.
http://www.wiseco.com/ProductSearch.aspx
Power User
The day begins with 3WW
185 200x xr 200 xr 185 xl 185 xl 200 atc200x pistions are all the same for 1st gen 200x.
Got The Holeshot
Arm chair racerJust too addicted
185 pistons are not the same as the 200. Also, bike pistons are different than ATC pistons.Originally Posted by oldskool83
atc185= 63mm bore, 8:1 compression
XL185= 63mm / 9:1
XR185= 63mm / 10:1
atc200 (not 200X)= 65mm / 8:1
atc200X= 65mm / 9:1
XR200= 65.5mm / 10:1
1985 Tri-Z 250
1985 ATC250R
First Time Rider
Arm chair racerNew to the board
Bore size being the difference yes. Thats not my question. I'm going to have to bore my cylinder anyhow, and was looking at the xr200 piston as many state that its quite the performance increase with much less cost.
Power User
The day begins with 3WW
design of the pistons are all the same. there are differen compression ratios...you can stick anyone in any bike...so yes they are all the same because ived owned all of them.
ive used the same piston in a XR200 hi compression as in a 200x as in bore 185.
First Time Rider
Arm chair racerNew to the board
Found a domed xr200 piston and ring kit on ebay for $23 shipped that I talked to a few guys about, said they had great luck with them. Hell, for 23 bucks, who cares. lol
Just Too Addicted: Protecting Our Community
The day begins with 3WW
Let us know how that piston works out.
Personally, 29.00 piston and rings scare me, and I ain't skeered of nuttin.
Wiseco makes a 10.25:1
"Trust, but verify"
Make sure to verify your piston to cylinder wall clearance and check your ring end gaps prior to install. That should go without saying, but I know guys who get stuff from the machine shop and throw it together without checking
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Power User
The day begins with 3WW
only buy weisco.....or cast OEM.....domed just mean higher compression.
Power User
The day begins with 3WW
XR200 piston will fit just fine w/o any issues. ran them many times for friends. enjoy a budget upgrade. also get the XR200 cam, open the exhaust and bigger carb and your flyin. but the best upgrade is the wiseco. much better response and performance than the XR200.
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Roostin' Away
Arm chair racerRoostin Away
I had a friend who bought that same $23 piston kit a few weeks ago when he was in the exact position as you. Piston kits were like $70 on eBay but that one was only $23 and according to the years/models listed in the ad, it should have fit.
It didn't.
The compression height is different. The top of the piston to the pin is different, it's a lot shorter. The correct ones you need all seem to have the vertical indentation around the wrist pin clips; the diagonal one is for those with a 22mm compression height. He still has that other one brand new with no intention of using it, but didn't want to bother with the hassle of contacting the seller and mailing it back over $20.
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Arm chair racerThe day begins with 3WW
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xlnt point shady
yes, you might ask someone what the compression height is for your piston then ask the seller what the compression height is on his . . the piston they are selling is NOT for your bike . . it is for a chinese made bike and quite possibly a longshen engine . . there are several pistons with the same or similar bore and same pin size, but due to the stroke and rod length etc, they will have a different compression height . . if the compression height of the replacement piston is less, and has the same top as yours, it will have less compression.
Also, its a chinese made piston . . if i have some chinese made sunglasses or watch etc, and they break, they wont destroy my engine.
do it right and you'll only do it once
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