Blower is only 2 months old. now harder to start. with choke at half position, it's not attaining max speed --> lower air velocity --> less ability to blow leaves, etc. gas/oil mix at recommended blend.
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Re: Runs only with choke at half position
First and most easyest solution would be to empty the gas tank and check the fuel filter to make sure it is not plugged or damaged.
Secoundly your carb could need a good cleaning and a new spark plug may help as well
and one last thing if hard starting pull the spark plug out and grab some WD40 and give it a shot inside and then put the plug back in and it should help I ushally do that with my machines every spring startup.
but also just to make sure you have the featherlite 150 m? then I can look into the issue a bit more but I feel if those have been checked then it should be running efficiantly
on my leaf blowers for some odd reason I love to run a bit higher of octaine just to make it last a bit longer alot cleaner for it to be running.
check those and let me know where we are at with it.
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It's too lean; not enough fuel mixed with the air. Look for the main mixture screw--it should be a large screw with a spring under it on the carburetor. Run the engine until it's warm.
With the engine running, turn the screw outward (lefty-loosey) about 1/8 turn slowly and see if it improves. Slowly turn the screw back and forth until it runs best with the choke completely off. Then set it 1/8 turn richer (turn screw outward 1/8 turn) than the best position.
Reason for doing this: Conditions change, even the barometric pressure. Small engines run okay if they are a little rich but not if they are a little lean.
Press primer bulb 6 times
Move throttle lever to start position
Move choke lever to full choke position
Pull starter rope sharply until engine attempts to start, but no more than 5 pulls.
Move choke lever to half choke position. Pull starter rope sharply engine runs. If engine hasn't started after 5 pulls, repeat all steps above.
After warming up for 10 seconds, move choke lever to run position.
Manuallib.com has a manual for this model available for free download
it may simply need the high speed jet opening up a bit (2 screws near eachother on the carb and the high speed is furthest from the engine) failing that it needs a carb kit.... this is a serviceable item changed regularly.
First you will have to get a carburetor kit ,it consists of diaprams and inlet needle,you then remove the two srews that hold carburetor on the engine and remove gas lines,also the throttle cable remove screws that hold ends of carburetor on under these you will find the diaphrams and needle remove these be carefull not to loose the little spring under the needle lever. !get you a can of carburetor cleaner and spray carburetor the blow it out with air you will notice little jets in carburetor that have to be clean use a wire from a bread tie to clean them out install new gaskets and diaprams in same position you took old ones off.you can also look at carburetor to see what kind it is walbor,zama,tilloson? type the name in google search and can get a diagram of carburetor if you loose your place,or just ask me.
Make sure you have the propper mix of gasoline and oil. If the fuel is old mix new fuel to proper ratio. Find your manual and find the low speed fuel adjustment and the high speed fuel adjustment on the engine. First, turn the screws in and count the turns so you know where you started. Return the screws to the origional position. Usually 2 to 2-1/2 turns are a good starting point if you get them messed up. If the engine runs with the choke on you have to open the high speed jet a bit, 1/4 turn CCW. Keep trying this and get the feel of the change in the engine performance. If you have too much fuel the engine will not get to peak RPM. The low speed jet works similar but you have to adjust it so the engine idles at a decent RPM. This should get you on the path.