just carried out the 12000 service myself - oil & filter, plug and air filter. everything else checked, lubed and adjusted - didnt bother with the valves as it starts on the button and runs smoothly, I will do them at the 24000 service. all ok so far, no corrosion or problems. off to Germany in a few hours so should be pilling on the miles and knocking its resale value into the ground!!!! pmsl.