Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Single click? Can you determine if it is at starter solenoid or at the fule solenoid on the carburetor? If at the starter, remove spark plugs and see if engine will crank over.
Would you have a voltmeter to check the system?
Is the click when you turn key on, or to start position?
Hello, There is a lot of things that can be wrong. I can send you a shop manual to download then go to he troubleshooting and electrical sections. I'm sorry I can't be of more help. https://onedrive.live.com/redir?resid=CF27DEE0FC3DE6AB!26713&authkey=!AKrGgem-gTm3X_Q&ithint=file%2cpdf
It could be the fuel solenoid or the starter trying to engage and turn a locked engine. Did you check oil level? Overfilled? Did you remove plug(s) ad try to turn engine by hand?
Did you find problem?