So I get the mower out this year and have been having all sorts of issues with it.
Charged up battery and installed, put in fresh gasoline.
Fired up fine and pulled it out of shed and set it to medium speed to shut doors on shed.
Engine starts surging and then dies, never done this before.
Fire up again and give it full throttle and seems to be running ok.
Pull blade engage and engine bogs way down and stalls.
Start it back up and head to driveway to look it over.
Add some SeaFoam to gas tank to hopefully help clean out anything in carb.
Start it up and full throttle, engine sounds good, but starts this periodic, like every 10 seconds pretty regularly, dropping power.
Try driving some laps around driveway and it still doing this. Power drops not to the point of stalling, but noticeably lower than full throttle.
What would cause such a regular, periodic drop in RPMs?
I've got a clear gas filter and notice that there's only a trickle of gas in the filter, yet the engine runs just fine.
Is this normal?
Note that I also replaced the gas filter last year along with oil change.
Pulled out air cleaner and blew off filter, wasn't too dirty.
Pulled off air hose to carb and looked in, noticed it was kinda "wet" by choke butterfly, should it be like that or should it be dry in there?
Pulled on blade belt and am able to move blades, but hear grinding from (I think) the PTO clutch? Should it grind like that?
I took a .015 feeler gauge and slipped it in check holes and distance seems to be ok, just a bit of resistance.
Fired it up again and this time it ran without any surging at full throttle.
Tried engaging blades and it bogged down and stalled.
Started up again, full throttle, engaged blades and same thing, bogged down and stalled.
Third times the charm?
Fired up again, full throttle, engage blade and VROOOM, blades spin up just like normal.
Held my breath and did the lawn and mower worked fine.
Scared what next week might hold!
Not sure what to check?
When it works, it works great.
What would cause this intermittent periodic surging?
What would cause it to sometimes die when engaging blades but other times fire them up as usual?
Thanks!
Charged up battery and installed, put in fresh gasoline.
Fired up fine and pulled it out of shed and set it to medium speed to shut doors on shed.
Engine starts surging and then dies, never done this before.
Fire up again and give it full throttle and seems to be running ok.
Pull blade engage and engine bogs way down and stalls.
Start it back up and head to driveway to look it over.
Add some SeaFoam to gas tank to hopefully help clean out anything in carb.
Start it up and full throttle, engine sounds good, but starts this periodic, like every 10 seconds pretty regularly, dropping power.
Try driving some laps around driveway and it still doing this. Power drops not to the point of stalling, but noticeably lower than full throttle.
What would cause such a regular, periodic drop in RPMs?
I've got a clear gas filter and notice that there's only a trickle of gas in the filter, yet the engine runs just fine.
Is this normal?
Note that I also replaced the gas filter last year along with oil change.
Pulled out air cleaner and blew off filter, wasn't too dirty.
Pulled off air hose to carb and looked in, noticed it was kinda "wet" by choke butterfly, should it be like that or should it be dry in there?
Pulled on blade belt and am able to move blades, but hear grinding from (I think) the PTO clutch? Should it grind like that?
I took a .015 feeler gauge and slipped it in check holes and distance seems to be ok, just a bit of resistance.
Fired it up again and this time it ran without any surging at full throttle.
Tried engaging blades and it bogged down and stalled.
Started up again, full throttle, engaged blades and same thing, bogged down and stalled.
Third times the charm?
Fired up again, full throttle, engage blade and VROOOM, blades spin up just like normal.
Held my breath and did the lawn and mower worked fine.
Scared what next week might hold!
Not sure what to check?
When it works, it works great.
What would cause this intermittent periodic surging?
What would cause it to sometimes die when engaging blades but other times fire them up as usual?
Thanks!
Help!?! Tiger Cub/Kaw FH601V Runs Erratically, Dies on Blade Engage
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