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Everything Dirt Bike
Make / Model Specific
Honda
1988 CR250R Wont start / Wet Plug
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<blockquote data-quote="Stringer" data-source="post: 177269" data-attributes="member: 2086"><p>I really need to order this piston and keep things moving along. My wife wants her screened porch back.</p><p></p><p>I was reading an article about piston sizing, written by Eric Gorr. From what I understand he is somewhat of an expert on these things. I even remember seeing a 1988 CR250R for sale on eBay and one of it's selling points was the engine was rebuilt by this guy. I've seen his name a lot anyway. He is basicly saying the same as BIGDAN, that 0.002" is ideal. Well a quick conversion shows 0.002" = 0.0508mm. My cylinder measurement is 66.421mm so I guess I'll take 66.421 - 0.0508 = 66.3702. So I guess a PRO-X piston in size A3/66.37mm is in order here?? Also need another head gasket, should I go OEM on this?? Thanks!</p><p></p><p><a href="http://www.off-road.gr/article25.html" target="_blank">http://www.off-road.gr/article25.html</a></p></blockquote><p></p>
[QUOTE="Stringer, post: 177269, member: 2086"] I really need to order this piston and keep things moving along. My wife wants her screened porch back. I was reading an article about piston sizing, written by Eric Gorr. From what I understand he is somewhat of an expert on these things. I even remember seeing a 1988 CR250R for sale on eBay and one of it's selling points was the engine was rebuilt by this guy. I've seen his name a lot anyway. He is basicly saying the same as BIGDAN, that 0.002" is ideal. Well a quick conversion shows 0.002" = 0.0508mm. My cylinder measurement is 66.421mm so I guess I'll take 66.421 - 0.0508 = 66.3702. So I guess a PRO-X piston in size A3/66.37mm is in order here?? Also need another head gasket, should I go OEM on this?? Thanks! [URL]http://www.off-road.gr/article25.html[/URL] [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Honda
1988 CR250R Wont start / Wet Plug
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