Maintenance & Technical > KX500 Steel Frame Conversion (SFC)
2003 KX 250 SF Conversion
DoldGuy:
Umberto,
Your original cylinder has an "89" & later sleeve, the eBay cylinder is the correct layout for the "88" & earlier....
DoldGuy
umberto:
Thank you for clearing that up for me. Do you think the later model sleeve will cause any issues with the engine's performance? Both of the exhaust ports flow into the hole for the KIPS opening, I just don't know if they line up with the holes in the valves anymore. Do you think I should clean up the 88 cylinder and use it instead?
DoldGuy:
I personally like the 88 cylinder (eBay one). There has to be a huge loss of power with your current cylinder as most of the top of the port is being covered by that sleeve & the sub port windows are a big restriction too. Just my $.02
DoldGuy
sandblaster:
I say open her up and let her flow... :-D
motopunk:
--- Quote from: sandblaster on August 14, 2015, 05:14:04 PM ---I say open her up and let her flow... :-D
--- End quote ---
mike, this mod, youve done, will take low end and add topend power ...
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