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  1. LT-Z400
    So my z smokes when under acceleration, from what I've been reading that's a dead giveaway that the rings are bad. NOW, where I'm finding inconsistencies is how to go about fixing it. Should I send my cylinder off to get bored out to 434 and re plated, do I just give her a quick hone, slap a...
  2. LT-Z400
    Hi everyone I am new on here and a new z400 owner. I am building a z400 for my son to race in NYC for 2022 season. I was wanting to know 1st of the cylinder has BDFAG stamped on the right side of the cylinder I was wondering if it may be a big bore cylinder? I don't want to take the off lead off...
  3. Maintenance/Repairs/Tuning
    Hey guys, new here. I purchased an '03 ltz 400 with a broken exhaust valve an the atv was in pieces. I replaced the exhaust valve with a shindy valve and discovered this quad has the cot cams #47, #48 with adjustable sprocket. So after reading half the the threads on here(thank you) I was able...
1-3 of 3 Results