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  1. Power commander 5 on Ltz 400

    I recently installed a power commander 5 on my 2013 Ltz 400 along with a full exhaust. After installing the programmer the quad would hesitate when mashing the gas from idle in only in second gear it seemed. I took the power commander off and tried again and it didn’t do it anymore so I...
  2. Wire harness and Cdi

    Hey guys, I've got an 07 z400 that I'm looking to change the wiring harness on. My question is, if I buy a harness from 04 with the cdi will it fit on my bike?Or are there more differences im not aware of than just the cdi.
  3. Ltz400 complex bog.

    Hey guys, I am new to the forum. I am the dedicated mechanic for my girlfriend’s ltz400 that she just bought a few weeks ago and it has some issues I can not quite figure out. Here is what the bike has: Yoshimura pipe (not sure if its full of slip on) and we just added a spark arrestor to try to...