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Doyou have to place thefibre gasket next main gasketwhichway up dose the diaphragm go

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Ryobi 80930 washer. Got it last year has only been used a few times. Inside during winter fuel was drained,only runs on full choke,cleaned the carb,spark plug, new fuel and had no affect. Any advice?

on runs on full choke indicates a blocked main jet or lack of fuel
I would pull the carby and replace the diaphragms or make sure that the gasket is on the right side of the diaphragms
if you used e- fuel mix then the diaphragms will be damaged
check around before buying parts as a new carby is now cheaper than parts to fix it

Jun 01, 2016 | Ryobi Garden

1 Answer

Changed diaphragm, mower only running for short periods

did you put the diaphragm back on the right side of the gasket so that it covers the holes in the plate
( the diaphragm has to sit flush on the holes with the gasket on top)

May 08, 2016 | Garden

1 Answer

Engine won't run unless choke is partially closed.

when the choke is partially closed there is extra vacuum created in the venturi of the carby that assists to help pull the fuel through the main jet and the idle circuit
it indicates that the main jet circuit still has a blockage or there is insufficient fuel getting to the carby ( vent problem)
it could be from a gasket or diaphragm blocking a vacuum port or the fibre block under the carby incorrectly fitted

Aug 14, 2015 | Garden

1 Answer

Main fuse. where dothe wires go

main fuse is on positive side +

Mar 23, 2015 | Motorcycles

1 Answer

Correct way that carb. kit parts [gaskets,diaphram] are installed on craftsman 24cc gas leaf blower?

The side with the Gas regulator ( round metal disk in middle of diaphragm) Gasket on carburetor then that disc diaphragm then cover plate.

The other side that has the diaphragm with the cutouts go on different. That cutout thing ( Reeds) go up against the carburetor then the gasket then the cover.

Oct 19, 2013 | Craftsman 358797290

1 Answer

Won't start

Remove carburator also remove diaphragms and gaskets, soak carburator in carb cleaner over night, then spray dry. put back together with new diaphragms and gaskets. Triky part is next H-red ( high) L-white (Low) adjusting screws remore plastic caps to allow u further adjusting. This will get your tiller back up and running, let me know if it helps or any questions you might have

Apr 22, 2011 | Mantis 2-Cycle Tiller

1 Answer

Engine running very rough, dealer code says misfire on all 6 cyl. EGR valve?

That's a good place to start. Check to see if the EGR vacuum diaphragm is able to hold a vacuum. If not, the diaphragm is leaking air into the intake stream and leaning out the mixture so much that you have misfiring. If it holds vacuum, check for other vacuum lines to be off or it may be an intake manifold gasket leak.

Feb 02, 2011 | 1995 Toyota Tacoma

2 Answers

Back fires 24/7?????????????????

Backfiring can be caused by fouled spark plugs (you have four,two per cylinder), bad spark plug caps, bad air cut valves on the side of the carburetors, but most likely leaking exhaust gaskets. I am guessing that you have changed the exhaust system but did not put new crush o-rings between the cylinder head and the head pipe. You should also change the tubular gasket/seals between the head pipes and the mufflers. If this does not fix the problem , take out the two screws that hold the air cut diaphragms in place and remove the covers . If the rubber diaphragms have holes in them or have become sticky they need to be replaced. Air cut diaphragms turn off the fuel during deceleration to prevent back firing. If they go bad they can cause poor running , popping , and back firing during normal operation.

Nov 13, 2010 | 2005 Honda VT 1100 C2 Shadow Sabre

1 Answer

3.5 hp b/s edger motor replaced gas tank gasket, and carb diaphragm. will start and run if I pour gas in carb.. wont **** from tank

if this is a vertical crankshaft 3.5 then you may have the gasket and diaphragm inverted, the diaphragm must be against the tank, and the gasket against the carb for the fuel pump to work, also check the pickup tube screen for being plugged, water in the tank bowl or a film or varnish or oxidation on the main jet sock.

If this is a horizontal shaft, like a go-kart, all the stuff about plugged pickups and main nozzles applies, only big difference is if there was a lot of corrosion in the bowl under the carb, the main jet could be permanently plugged, also there should be a removable jet on the control lever side of the carb that will probably need cleaning as well, also when removing the carb from the tank make note of any fuel in the bowl, if there isn't any, make sure the pickup tube isn't plugged or split, the diaphragm spring is installed, and the bowl doesn't have a hole rotted through it.

May 30, 2010 | Garden

1 Answer

Machine not start

1) Determine that there is spark?
2) Have you used a type of spark tester?
3) What is the condition of the plug. Brown or dark brown is OK. Black or silver is NOT Ok.
*If you do not have a spark tester,
a) remove the plug, and with it connected to the wire,
b) find a portion of metal around the cylinder that you can ground it on, and then pull the rope.
c) If the plug is black, you may see spark, but you should replace the plug.

*** PLEASE NOTE ; if there is excess fuel in the cylinder or on spark plug,
it can catch fire, so be carefull to cover the hole with a heavy rag so that any fuel
cannot be exposed to spark plug durning test !!!!

Fuel Starvation - Float Bowl Carburetor
1) remove air filter assembly
*be cautious of tearing the mounting gasket. If it does tear, you HAVE to replace it. It is part of the priming system
2) remove the float bowl fastener. This is the main jet
3) carefully remove the float bowl, the rubber o-ring/gasket will not be able to be used if it is removed, you WILL have to replace it
4) using a spray 'carb cleaner'
spray up thru the center of the carburetor
spray and clean the main jet with cleaner and 'tag' wire
(tag wire is very thin, and can be used to clean the hole in the center of the main jet)
5) clean any debris from inside the bowl or carb body
6) re-install bowl and center bolt, air filter assembly

*if you need gaskets, your Briggs dealer can supply. The kit is cheaper than individual gaskets, and all the parts needed to finish the above repair are in the kit.

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

Nov 20, 2009 | Yard Machines Garden

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