Remove the spark plug first to make sure the cylinder isn't full of gas. I've seen gas leaking into the cylinder head before giving g symptoms of a seized engine. Hence cord won't pull over.
Posted on Mar 12, 2019
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Posted on Jan 02, 2017
SOURCE: husqvarna 125bt backpack leaf blower. I put
if you've ran it for any length of time you will need a new cylinder and piston/rings and cylinder gasket ,
take the muffler off and look for scoring /scorching on the piston
Posted on Oct 21, 2009
SOURCE: ryobi backpack leaf blower about three years hard to start
Basics to check:
1) Spark plug - brown or dark brown - OK
a) is it carbon or fuel fouled
b) is there spark
2) Muffler remove for inspection
a) exhaust screen clean or plugged
b) inspect cylinder wall/piston as the flywheel is slowly rotated
3) Check cylinder compression
Fuel starvation - 'lean fuel' condition
Basic things to check:
1) spark plug
2) spark arrestor in muffler
3) fuel lines and tank filter
4) turn adjustment needles out (counterclockwise) 1/4 to 1/2 turn
Chain Saws:
5) check impulse tube and intake boot for cracks or leaks
*if all of the above are OK and/or do not improve performance then:
Remove Carburetor
6) replace gaskets/diaphragms
a) use a spray carb cleaner to clean jets, holes, and body of carb
b) fuel pump diaphragm goes against the carb body,
then the gasket towards the outside
c) metering gasket goes against the carb body,
and the diaphragm goes towards the outside
I’m happy to assist further over the phone at https://www.6ya.com/expert/rolandw_c013176d62ee17ae
Posted on Nov 25, 2009
SOURCE: BR340 Stihl backpack blower. Pull cord hard to
make sure unit is not flooded. some units may be hard to pull because they dont have a relief for the compression.
Posted on Mar 04, 2010
SOURCE: MODEL RYO9600 LEAF PULLSTART BLOWER MISSING FLEX HOSE TO WAND
Go to this link for the Ryobi parts. You can get one for less than $5.
http://www.ereplacementparts.com/ryobihm-ry09600-backpack-blower-parts-c-7931_15636_130605.html
Posted on May 12, 2011
SOURCE: my echo backpack leaf blower
Without getting to involved with it, did you always mix the correct fuel/oil ratio? or has someone else possibly put straight gas in it without oil? Another possibility is that the recoil could be broke. I would try to determine if the piston is seized in the cylinder. First remove the spark plug and try to pull the starter rope while listening closely for any strange noises from the engine. If it pulls fine then, replace the spark plug and try to start it again. If that doesn't work then I would remove the back cover and remove the muffler so you can look at the cylinder. You will need a phillips screwdriver and a set of metric allen wrenches. Hope that helps.
Posted on Aug 30, 2011
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