problems what the they are some awesome problems like the maicos and the kx500 always wanted to ride pe175and250 went straight from a mx100 to the pe400 big power difference couldnt start the pe when i first was doing it up at 14 can start it fine now and ride it well now that im 16 if anyone has any pe spares let me know after a speedo on ebay but would still like a few more parts thanks Michael.