Just recently picked up an '87 Warrior for my boys to play with. It ran really strong. Had trouble starting it as it seemed to have a tremendous amount of compression. I could barely pull the start rope even with the decompression on. Finally got it started and my boys drove it for about an hour and it stopped. Found the starter clutch bearing was bad, so I replaced that and replaced the battery so I could use the electric starter. Finally got it started but it was knocking like hell, back fire, ect., checked timing, valve lash, spark plug, everything was good. Tonight I pulled the head and everything there looks good. Removed the cylinder, and wa lah, the connecting rod is wobbling around so bad. Are these things worth rebuilding? or do I just look for a good bottom end?