head

Hey guys, im new to porting the xs650 head, and have read and researched closing the ports up slightly in specific areas to increase velocity. Has anyone ever used Moroso's port filler? I am curious if it will handle the heat of an air cooled head. Does anyone have any other experiences with...

So I am going thru my top end to sort out a lack of compression. After some cleaning, I noticed these grind marks in front of the intake valves. I initially thought that they were damage from foreign material going thru the motor (this appears to have happened), but upon examining some...

Yeah so new cam chain in, newly machined head back on and all torqued down and realize this little clip was left out. Seems like it's just there to keep the cam chain tensioner bar from catching during asssembly? Thoughts?

I had these buried in one of my boxes of items I picked up. The PO was racing the XS back in the day. I guess he was doing some port and polish and wanted to see how much and where. Interesting how much and little you have to work with. I have read a bit about this lately and there is lots of...

I have an 80g with a right side stripped plug threads. So I,ve been putting teflon tape or plastic bags or whatever I find to tighten it up. It lasts for about 30 miles or so. But lately my right side plug has been fouling when I sit at stop lights. And then it will fire off. So I've got a head...

Who's got one? Has anyone had any experience with these heads? are they as good as they claim? Worth the money?

ok guys i have a 79 XS and i have a few questions for ya. :D 1. i have my motor pretty much back together and i wan to paint it black and then sand the fins for that nice look, any tips? anything i should avoid painting? should i find an engine primer to prime it with or just use the...

- more snow today, for lack of desire to do anything else i browsed through ebay and discovered several XS650 heads for sale without the accompanying cover - if youre looking for a head anywhere, DONT buy without the matching cover, these are numbered - find the matching numbers in the...

http://www.britishclassicbikes.de/HPVersuch4/index.php?option=com_content&task=category&sectionid=11&id=68&Itemid=93 by Hartmut...my translation Today I routed the chamber crowns out of a fucked XS head - im attempting to improve performance. Mostly the crown is up to 12 mm thick and...