ZillaFreak Posted November 13, 2018 Report Share Posted November 13, 2018 maybe these http://drivelineperformance.com/yamaha-banshee-392cc-68mm-big-bore-piston-kit/ Quote Link to comment Share on other sites More sharing options...
Canada Posted November 13, 2018 Report Share Posted November 13, 2018 Wow thanks so much, i just measured the bores to 67.78 is that normal, im using a verniar caliper from a few angles I forgot how the measurement where on my 421 but i think i will just order those. Quote Link to comment Share on other sites More sharing options...
BANSHEE HP Posted November 14, 2018 Report Share Posted November 14, 2018 Driveline Performance $180 Quote Link to comment Share on other sites More sharing options...
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