Can bore out my 1100 block to 1260 and use the 1260 cylinders with out a overheating problem. Or do I need to put different sleaves into my 1100 block to make it work right. I plan on using this set up on the street so I would like to not have overheating problems.
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The 1100 & 1150 blocks are only able to go 3mm over bore. The 1100 block can be an 1166 & the 1150 can be a 1230. To go bigger than that will require sleeves. I build 1400 street motors & have no problem with cooling but there ARE things you HAVE to do. Call me at 714-356-7845 if you have questions or want to build something! I build & race big GS engines & know how to make them live. Ray. -
re-sleave or BB only.
if you really want a 1260 i may have a couple used(finished kits) available for 18mm pin stuff.
you have to split and bore your upper case for bigger liners also.Comment
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You can sleeve your 1100 block for 1260 and not have over heating issues. That used to be a very popular mod and we still offer it. We had a customer with this kit and 370 cams, ride the bike from California to New Orleans and back.
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i did use a 1150 cylinder and did street ride alot but 1150 cylinders are very hard to find so id sleeve it aceComment
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