bugnut Posted December 5, 2009 Report Share Posted December 5, 2009 I just picked up some shearer oof but don't know if there are small bore or big bore. The stinger outlet is the same size as my inframes. The header diameter is bigger with no step compaired to the inframes that have a step at the connector to the header. I am thinking that I got me a pair of big bores. Which I don't think will work very good on my 421 cub Quote Link to comment Share on other sites More sharing options...
GrMeyer Posted December 5, 2009 Report Share Posted December 5, 2009 Take a pic of the flange that goes to the motor. Quote Link to comment Share on other sites More sharing options...
bugnut Posted December 6, 2009 Author Report Share Posted December 6, 2009 Here is a pic of the pipe. I have a feeling that it is a big bore. Quote Link to comment Share on other sites More sharing options...
GrMeyer Posted December 6, 2009 Report Share Posted December 6, 2009 Im not expert but those are big bore. Quote Link to comment Share on other sites More sharing options...
bugnut Posted December 6, 2009 Author Report Share Posted December 6, 2009 Yeah I thought so. My inframes have the step at the flange where these oof don't have that step. Quote Link to comment Share on other sites More sharing options...
bugnut Posted December 7, 2009 Author Report Share Posted December 7, 2009 Does anybody have pics of there small bore oof pipes? I would like to make sure 100% that these are big bores or small bores. Quote Link to comment Share on other sites More sharing options...
SonOfSand Posted December 7, 2009 Report Share Posted December 7, 2009 Hey Bugnut, sorry to get off topic, but do you run that cub down here at St. Anthony? I wonder if I have seen you before? Quote Link to comment Share on other sites More sharing options...
bugnut Posted December 8, 2009 Author Report Share Posted December 8, 2009 Haven't been down there yet with the banshee. I was there with my kx250 and that is why I got my banshee now. It was a blast on the bike, can't wait till I get the cub over there Quote Link to comment Share on other sites More sharing options...
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