crankcase

This is my first time posting a thread on this forum but here I go. My 02 blaster finally seized up after having engine problems. After a month of replacing literally everything on the damn thing it seized up after running it. We cam to realize that it was the main crank bearing. We have no idea...

Hey, first time poster. Just bought a used 2003 yamaha blaster. Needed to do a top end rebuild which involved me buying a completely brand new Cylinder after breaking a bolt off putting the carburetor joint back on. Didnt do a bottom end but knew i should do both at the same time but after being...

I’m replacing the piston and cylinder on my ‘02. At some point in time while I had the cylinder off, the piston arm became locked. I can pivot the arm but can’t move it up or down, including with the Kickstarter. This is without the cylinder on, so it has nothing to do with bore size, rings...

Ok so I have a stock 01 blaster was riding it all day went out for 1 more ride with the wife came bacc pulling in the driveway low rpm get on it real quicc heard a pop and a zinging? Sound after that it started smoking and lagging power not bad at first but gradually got worse now it smokes more...