bluemotorcyclesam Posted April 11, 2010 I parked my motorcycle for about a week and came back to if and found some oil near the bottom head gasket. What is causing this? Also I have to add that before I started the bike I checked the oil and noticed that there was nothing on the dipstick so I added some and brought it to full. I started it and ran for a couple minutes and checked again and it was way over full. Will this hurt it since it has the external tank? Heres some Pics tell me what you think. http://i1026.photobucket.com/albums/y323/bluemotorcyclesam/bike/DSCF1457.jpg http://i1026.photobucket.com/albums/y323/bluemotorcyclesam/bike/DSCF1456.jpg http://i1026.photobucket.com/albums/y323/bluemotorcyclesam/bike/DSCF1455.jpg http://i1026.photobucket.com/albums/y323/bluemotorcyclesam/bike/DSCF1458.jpg Share this post Link to post Share on other sites
s14 2510s Posted April 12, 2010 I never look at my dipstick on my yz426. I change the oil without filter 1.6qt. If i clean the filter i put 1.7qt in. I run it hard for 3 hours then put new oil in. but thats just me my 426 is far from stock. I run rotilla 15w 40 its $12 a gallon. Share this post Link to post Share on other sites
grayracer513 My Ride Posted April 12, 2010 I parked my motorcycle for about a week and ... before I started the bike I checked the oil and noticed that there was nothing on the dipstick so I added some and brought it to full. I started it and ran for a couple minutes and checked again and it was way over full. Will this hurt it since it has the external tank? If all the oil still fits in the tank, it's OK to run with a little excess. You cannot check the oil in a 426 unless it has been run for at least a minute and then shut down for no more than 20 minutes or so, because oil slowly drains out of the tank and into the engine. Read: https://thumpertalk.com/forum/showthread.php?p=5221903#post5221903 Share this post Link to post Share on other sites