We may have found other answers which could help you.
Success
Message
Engine runs wide open unless brake pedal is pulled completely back. Why?
What size engine is the Classic 35 100cc or 145cc?
adjust variable mechanism -- how/??
loose belt?
rebuilding a lawnmower engine?
what to do to slow down the high rev?
no spark?
howcan i fix my rx73 riding mower?
transmission oil ?
Can't get front pulley off yard machine rider?
How do I adjust the tension on a 42 inch yard machine belt ?
How do I tighten the drive cable on a yard machine snow blower?