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engine problems

  1. 01 trx400ex grey oil

    Engine/EFI/Drivetrain
    so the other day i went out to my local trails with a buddy and we came across a small river. me being the idiot i am decided it would be a good idea to cross the river, long story short i nearly made it until i hit a steep bank on the river side that caused me and the bike to do a flip and we...
  2. 02 400ex problems!! Will idle but cuts out as soon as u got on throttle in gear

    Engine/EFI/Drivetrain
    Ok so here is the problem the quad will idle in nutral and will rev up In nutral no problem but as soon as u put it in gear and try to actually ride it, it cuts out / Boggs out and shuts down, it sounds like a pop corn machine lol . I changed the whole top end gaskets cleaned the entire carb...
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