freddy Posted February 18, 2008 Report Share Posted February 18, 2008 i wanted to know wat the stock bore on a banshee but i am more interested in knowing wat size im suppose to go bigger, ive already bored it once, so wat would the second size be considered?? thanks in advance Quote Link to comment Share on other sites More sharing options...
Handyman Posted February 18, 2008 Report Share Posted February 18, 2008 The stock bore is 64mm...from there it goes 1st over size bore(64.25mm) 2nd oversize bore(64.50mm) and then is goes .010.-.060 over...If I'm wrong on the regular size bores I'm sure someone will correct me.... Quote Link to comment Share on other sites More sharing options...
PSYKO Posted February 18, 2008 Report Share Posted February 18, 2008 64mm bore then the next size would be 30 over which is a 64.25mm bore. Refer to this pdf off of Wiseco's website, look under the Banshee section. http://www.wiseco.com/PDFs/Catalogs/2008/CB/YamahaATV.pdf Quote Link to comment Share on other sites More sharing options...
Wildcardracing Posted February 18, 2008 Report Share Posted February 18, 2008 64mm bore then the next size would be 30 over which is a 64.25mm bore. Refer to this pdf off of Wiseco's website, look under the Banshee section. http://www.wiseco.com/PDFs/Catalogs/2008/CB/YamahaATV.pdf 64.25 is .020" over Quote Link to comment Share on other sites More sharing options...
PSYKO Posted February 18, 2008 Report Share Posted February 18, 2008 64.25 is .020" over Ha! Thats what i meant :wink: Quote Link to comment Share on other sites More sharing options...
PSYKO Posted February 18, 2008 Report Share Posted February 18, 2008 check out this thread too. http://www.bansheehq.com/forums/index.php?...mp;hl=bore+size Quote Link to comment Share on other sites More sharing options...
freddy Posted February 19, 2008 Author Report Share Posted February 19, 2008 check out this thread too. http://www.bansheehq.com/forums/index.php?...mp;hl=bore+size thanks alot guys, youve been a big help Quote Link to comment Share on other sites More sharing options...
spurdy Posted February 19, 2008 Report Share Posted February 19, 2008 64.25 is .020" over 64.25 mm is 0.010" over stock bore. 0.25 mm = 0.010" 1.00 mm = 0.040" 25.4 mm = 1.00" 0.040" x 25.4 mm = 1.01" I am not trying to be a dick or anything, but I deal with this conversion daily! SP Quote Link to comment Share on other sites More sharing options...
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