We may have found other answers which could help you.
Click here for Lawn Mower Engine Repair
Engine runs wide open unless brake pedal is pulled completely back. Why?
loose belt?
How do I tighten the drive cable on a yard machine snow blower?
what to do to slow down the high rev?
Can't get front pulley off yard machine rider?
What size engine is the Classic 35 100cc or 145cc?