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Engines used in applications such as lawn mowers, go carts, chain saws, compressors, small pumps, generators, garden tractors, and string trimmers. Frequently hand (pull) started and without an electrical system beyond the spark plug. Technically there is an overlap with motorcycle / scooter engines, but for questions related to motor cycles or scooters those tags are preferred.
2
votes
Recommended maximum amount of time to allow a small engine to sit without being run
With a small engine, your best bet is to ensure it runs once a year, then as you need it during the season it'll be used. Bad/stale gas is the big killer of small engines (mainly the carb, but if the …
2
votes
Accepted
Small Gas Engine Throttle
The way the small engine throttle works is by a spring and vane system. The spring pulls on the throttle to increase engine speed. The vane is there to catch the air flow coming off of the engine fan …
1
vote
Briggs & Stratton 7.5 hp wood chipper loses power after an hour of runtime
I just had a wild thought. I wonder if the return spring on the throttle vane loses some of its holding power when it gets hot, then regains it when it gets cold? < scratching head > The throttle vane …
2
votes
Electric motor replaced with Gas engine
First, you have to know how fast the engine is running. To do this, you use an optical tachometer. On your flywheel or whatever you can mark, place a light colored dash on it and point the optical tac …
2
votes
Accepted
Power from magneto (for LED)
From what I can gather from different sources (including this Wikipedia article):
A magneto is an electrical generator that uses permanent magnets to produce periodic pulses of alternating current. U …
2
votes
Weed eater dies when idling or not at full throttle, but is near catching fire at full throttle
The problem is you're not getting enough fuel. When you run it wide open, it still isn't getting enough fuel so it is running in a lean state, which creates a LOT of heat, and thus your near-thermonuc …
4
votes
Accepted
Float carburetor leaking gas
More than likely the float is saturated or non-existent, allowing the bowl to be over filled constantly (not stopping the flow of fuel into the carb). It could also be the needle valve not seating cor …
0
votes
1996 40hp mariner magnum - no start
I'd recheck to ensure you have spark. If the plugs were dry, then you added fuel directly to the cylinders, it should have fired, if even for a short while. Considering how you said it shut off, the i …
10
votes
Accepted
Why does my lawnmower air filter have a metal wire mesh?
The purpose of it is to support the paper element. If the paper element were to get wet or get too much junk in it, it would run the risk of getting sucked into the engine, which might cause damage .. …
4
votes
Accepted
How to inspect and clean a small engine stored for year without oil cap?
I think the best you can do is change the oil. I think your engine is most likely a splash oiling system which does not have a real oil pump or filter (I couldn't find the model you have listed to mak …
0
votes
Accepted
Throttle Linkage for Kohler Command 18 Engine in Cub Cadet 2186
This is what it appears to me ...
First, you have the part numbered as "20", which is actually part 22. The grouped parts are 21 (spring), 22 (bushing), and 23 (throttle linkage).
22 should fit into …
2
votes
Accepted
Briggs-Stratton Lawnmower motor losing power
This is a carburetor issue, most likely caused by ethanol gas. Ethanol laced gas reeks havoc upon small engines. The easiest fix for it is to purchase a new carburetor for it, due to paying the price …
0
votes
Accepted
Which engine does a 2005 Kymco People 50 have?
This web site gives these specifications for the motor:
Bore (in) 1.54
Bore (mm) 39
Compression Ratio 7.21
Cooling Air
Cylinders 1 …
3
votes
Accepted
Carburetor question, attempting snowblower repair
Your best bet is to get a replacement carb. Some have had good luck rebuilding them, but for the trouble of it, it's just a lot easier to buy a new one off the internet. Personally, I can never get th …
3
votes
Craftsman 42" snowblower pulley removal part 47026
It looks to me as though the main screw and washer comes off from the shaft, then you can just pull it off. It is probably splined. If you apply a little PB Blaster on it and let it sit for a half hou …