Question about Karcher 2500 PSI Pressure Washer
OK, have a 5 horse snowblower powered by a Tecumseh HS40 engine. I was having problems starting it and keeping it going, new gas and draining carb and lines got it running. I though I was OK, but now a snow storm and I start the blower, get it running, but it will only run on full choke, stalls if I unchoke it. It also loses power under load i.e. when blowing snow and won' throw. Also, the muffler heats up to red hot - I assume this is not good. Any suggestions? Thanks in advance
I did and thanks - just picked up one that does the same thing and i plan to take your advise
Thank you Jerr
Posted on Feb 15, 2009
I feel your carb is dirty. if there is a fuel cup on the bottom of the carb remove it and clean the cup real good and also clean the needle valve as well. I have more small engines that would not run right because the needle valve was either plugged or almost plugged.
Posted on Jan 02, 2018
Mefco, your carburetor is probably dirty, plugging some of the internal ports and or jet. I will add detailed links to show how carb is cleaned. Check the attached links,instruction and guides, Good luck
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HOW TO Clean Rebuild Tecumseh Snowblower Carburetor PART 1 OF 4
How to Fix Snow Blower Carburetor
Tecumseh Carb snowblower cleaning 1 of 2
Posted on Aug 10, 2016
I had a snow king do this. It turned out to be the key on the crank was just about sheared. Did the need for use of full choke come on gradually?
Anyway, that was easily repaired but now won't start. I have fuel and spark with compression.
Latest think for me to try is adjusting the valves with a non-OEM method.
Posted on Feb 02, 2011
You most likely need to set your valve clearances. If it is hard to pull over or the recoil snaps back after starting your valves need to be set for sure. This may not be the entire problem but it is a good start. Also change the spark plug, a bad plug will cause odd problems and is too cheap not to eliminate as a source. In addition check your fuel, pour a little out into a white container (I like spray paint can caps for this) and look at the color. If it is yellow to orange it is bad. You can pour it into you car, the car electronic sensors will compinsate for it quality but a small engine can't. Use a NGK BP6ES or BPR6ES plug.
10mm open end wrench
14mm open end wrench
1 long shaft screw driver or rod
1 spark plug socket and ratchet
Remove the spark plug and the valve cover. Pull the recoil over slowly until the intake valve opens (intake is closes to the carb and it will go down when it opens). Now put your long screwdrive down the spark plug hole. Slow pull the engine over until the screwdriver handle is at it highest point, this is top dead center. It may take a few attempts. Now check your valve clearance between the rockers and the top of the valve. The intake should be .006 and the exhaust .008, both can be +/- .001. To adjust: hold the large nut with the 14mm then loosen the small one with the 10mm. Lefty loosey. Now turn your large nut until you get the correct setting and then tighten the small one the lock it in. It may take a few attempts and alway reverify your setting after you lock it down. Once done, find top dead center again and reverify. Now your valves are set.
Posted on Mar 31, 2009
I had the very same problem and nobody could help me until I was talking with a co-worker. Its a very easy fix. I couldn't believe it. I did this yesterday and it ran like a charm. You can either replace the head gasket or just by a good sealer to use on your existing gasket or replace it. I use Indian head gasket sealer on mine. The bolts on the bottom were lose causing a loss of compression. If you need more info you can email me (for free) and I will tell you exactly how to do it. [email protected]
Posted on May 31, 2010
SOURCE: Karcher 2500 with Honda GVC160
Make sure the governor linkage is clean and works freely. A lot of times when you put a load on the machine, use it it stopps the fluttering.
Posted on Mar 19, 2011
Testimonial: "It is lopng pretty bad and will stop if let alone. This machine is about 2 years old and as I recal it started running rough in the middle of washing "
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