Hello. I recently bought a new Honda Lawnmower at Home Depot. The model number is HRR216K9VKA.
The mower starts on the first pull and initially revs at a high speed for about 1/2 second, then the engine speed goes down a bit (auto-throttle?). I would like to adjust the engine speed (throttle?) so it doesn't throttle down quite as much as it does.
Hi Robert -
I read your post about this HRR216K9VKA mower and thought you might have some ideas about a problem I have with this same model. The mower starts on the 1st pull and runs fine for ~1 minute then it starts hesitating and stalls. I've changed the gas, tried to clean the carb, changed the plug and nothing helps. It seems to be heat related because it stalls out and will only restart if you wait ~10 minutes or so to cool down. I've tried to keep it from stalling by manually adjusting the choke while its hesitating and i can kind of keep it going a little longer but it still stalls. The mower is only 1 year old and this started the beginning of this season after sitting all winter ... i didnt change the gas etc at first which is why i suspected gas/carb.
Appreciate any ideas you can offer.
Thanks,
Mike
Hi Mike:
When you have the mower in a state where the engine won't start, first do a spark check. This will rule-out any spark-related issue (or confirm it). It is rare for a coil to fail, but the cap, wire, plug etc. should be inspected to be sure of no other spark-related issues.
So, assuming you have good spark, the we're probably looking at incorrect air/fuel delivery.
1. If any doubt at all of the condition of the air cleaner element, replace with a new one. A dirty or partially clogged air filter will cause difficult or impossible starting conditions.
2. Drain out all the old fuel from the tank, fuel lines and carburetor bowl. Fill with fresh gasoline only, and make sure the spark plug is clean, dry and gapped correctly. Confirm the choke plate is fully closed on the cold engine. and opens fully after the engine has been running for at least 2-3 minutes.
3. Some versions of your model (you have a "K0" version) had a problem with sticking autochokes. If you'll get the serial number off the back of the mower deck, I can see if you mower is in the affected range, as well as check on the warranty status at the same time.
4. If the autochoke is not the issue, it likely is some debris or dirt partially clogging the carburetor. It can be easier/faster to simply replace the carb vs. trying to properly and correctly cleaning one 100% For example list price on a whole new carb is only $15.91 list price.
Let's get that serial number and go from there:
Model: HRR2169VKA
Serial NO: MZCG-8726158
Thanks Robert. I brought to local Honda dealer. Once I get his diagnosis and estimate I'll figure out how to proceed.
The VKA has a autochoke and a preset throttle. The higher revs are probably due to the autochoke operation. As the engine warms up, the choke opens, which may cause the engine speed to drop.
That engine should run between 2,950~3,100 rpm. You really need a tachometer to confirm / adjust the engine speed. Your mower is still under warranty, so ideally a Honda Dealer in your area can inspect and adjust as necessary; here's a link to find one in your area:
Find A Honda Dealer
If you'd prefer to DIY, again, use a tachometer, and understand the blades are spinning when the engine is running. It's a two-man job to do this safely and correctly.
I have a honda lawnmower HRR2169vka model MZCG 9159822
It will not start. I was wondering if this has to do with the autochoke issue i read in an earlier thread.