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Got a Briggs question

A

Anonymous-0

Well-known Member
Got a 190 briggs electric start on a toro personal pace lawnmower. Problem is that it would die, about 10 seconds after starting. Did that 2 or 3 times, then started running, though it seems to not be revving up all the way and it kinda wanders up and down in rpm. Any suggestions? I put a plug in it, old one didn't appear to be in all that tight. By the way, this thing looks almost new, low hours, likely been sitting for a while. Gonna try tinkering with it today.
 
Probably the carbs gunked up. You can try a bottle of carb cleaner, it might help. Chances are it's going to have to be taken apart and at least cleaned if not rebuilt or maybe even replaced.
 
Update: Cleaned the carb, fuel bowl had a shadow of gunk on it, no evidence of gelled gas, needle valve clean, I shot gum cutter all over it (didn't pull carb, just bowl) no leaks, re-assembled, runs the same, up and down, like a intake leak, but when spraying gum cutter, around carb, no speed changes, so my guess is problem is elsewhere. ANy fresh Ideas?
 
190 is not the model number, so I don't know which engine you have.

If I had one that was doing what you say yours is doing after I was certain the carburetor was clean, I would check the intake tube. I am assuming your engine is a flat-head Briggs. Some times the plastic pickup tubes crack or the gasket gets a split in it where it bolts to the block.
 
You can lubes the governors linkages and make sure everything is free. Any chance someone was int here ahead of you and relocated a srping or something?
 
190cc, I think, It's the 4-5 HP range, vert crank on a toro personal pace 22" mower. I had a finger on the throttle linkage, moves freely, at least against the spring that heads toward the front of the mower. It's not a real bad surge problem, you can just barely see the linkage move fore and back. Methinks I need to do a little clean-up, and see whether it has a air governor, and whether it is blocked.
 
This can be caused by a too lean of mixture. When everything else fails to correct you can try to richen the mixture. Since this is probably a fixed jet in the carb, you will need to enlarge the jet by using a jet drill. First determine the jet size by passing the jet drill bits thru the jet. When you find the correct fit, use the next largest and drill out. Of course you can't go back once it is drilled!
 
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