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Re: Ryobi RST131ES: fuel tank
Bruce
03/11/26 03:14 AM
Thanks Bruce - the info on the line is good news. An Exploded View of Parts into AI Claude has come up with a method to remove tank, but looks complicate No scrwews on tank, but need to remove a lot of gear just to get at tank. Cheers. Thanks If you have taken the air filter cover of it is easy to remove the tank only 4 screws to undo to get it off.
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Re: Ryobi RST131ES: fuel tank
barramundi2
03/11/26 02:57 AM
Thanks Bruce - the info on the line is good news. An Exploded View of Parts into AI Claude has come up with a method to remove tank, but looks complicate No scrwews on tank, but need to remove a lot of gear just to get at tank. Cheers. Thanks
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Re: Victa Runs Then Starts To Stall
Man With Cheese
02/11/26 01:07 PM
Ok so...
1. What's your poppet valve set to? 2. Which spring are you using? 3. Is your muffler blocked/damaged? 4. How many rings are on your fuel jet? 5. What's the state of your sparkplug if it conks out? 1. Poppet valve set to 'C' facing towards the inlet manifold. 2. The springs that have always been in carby. Can they get worn out? 3. Muffler seems to be ok. I have another Victa 2 stroke for parts and will swap it over to see if that helps. 4. Rings? The jet and the mesh is clear but will give it a quirt of compressed air. 5. Spark plug appears fine. I have spark but will try a new plug anyway. If it was the plug it would expect it to stop completely.
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Re: Victa Runs Then Starts To Stall
Man With Cheese
02/11/26 01:04 PM
Hi Bruce.
1. Fuel cap pin hole is clear. 2. Fuel flow fine when tap turned on. 3. Jet not blocked but will give it a quirt of compressed air. 4. Inlet manifold is secure. 5. Carby O ring should be good but will replace it anyway to be sure. 6. Inlet manifold O ring should also be good but will also replace it anyway to be sure.
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Re: Victa Runs Then Starts To Stall
pau13z
02/11/26 11:44 AM
Ok so...
1. What's your poppet valve set to? 2. Which spring are you using? 3. Is your muffler blocked/damaged? 4. How many rings are on your fuel jet? 5. What's the state of your sparkplug if it conks out?
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Re: Victa Runs Then Starts To Stall
Bruce
02/11/26 11:25 AM
Hello everyone.
Have a Victa 2 Stroke mower built in 2000. It has been running well for some time but recently after a few minutes of mowing at full throttle it starts to stall and I have to pull the throttle back to about halfway to stop it stalling.
Checked the head gasket and the crankcase O ring are both in good condition. The bore from what I can see through the exhaust shows no signs of scoring. Tested the decompressor and it is working as it should.
Replaced the both the air filter and carby diaphragm with brand new ones to see if they were the cause but it has made no difference. There are no fuel line or other blockages. It happens even with a full tank of fuel and with the grasscatcher empty.
Any ideas of what the issue may be as I am currently at a loss.
Thank you. Hi Cheese, Could be a fuel thing causing the problem but if you just check these first. 1. Check fuel cap to make sure that the pin hole in it is not blocked. 2. Check fuel flow when the fuel tap is turned on. 3. I am assuming this has a plastic carby on it and if so check that the screw jet is not blocked. 4. Check mounting block is not loose. 5. If loose check the 'O' ring behind the carby mounting block is not damaged. 6. Also check the 'O' ring on the mountint block has no damage. Try these few things and let us know what you have found also pictures of the machine and also the carby area would help as well.
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Re: Victa Runs Then Starts To Stall
Man With Cheese
02/11/26 11:03 AM
Thanks for your response:
1. Regular unleaded fuel with 2- stroke oil as have always used. 2. Fuel is fresh. 3. Mix ratio of 25:1 as have always used. 4. Happens without blades touching grass. Tried it today on the pavement. 5. Vacuum hoses and carby housing seem ok but that is one thing I can check again in detail to be sure. 6. Never had a service as such. Always taken it apart myself and cleaned it. No washers added to it.
The last time I mowed the grass it was going great for about 15 minutes then suddenly started to splutter and dialed back the throttle to keep mowing at lower revs. After a few minutes I pushed the throttle forward again and It was good for about another 5 minutes then started to splutter again.
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Re: Victa Runs Then Starts To Stall
pau13z
02/11/26 10:41 AM
G'day Cheese,
Questions off the top of my head that might relate:
1. What fuel are you using? 2. How long have you had the fuel? 3. What 2-stroke mix ratio are you using? 4. Does it happen only while mowing or does it happen even if the blades aren't touching grass? 5. Have you checked the vacuum hose and carby for cracks/leaks? 6. Has the carby been serviced and had washers added to it?
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Victa Runs Then Starts To Stall
Man With Cheese
02/11/26 09:23 AM
Hello everyone.
Have a Victa 2 Stroke mower built in 2000. It has been running well for some time but recently after a few minutes of mowing at full throttle it starts to stall and I have to pull the throttle back to about halfway to stop it stalling.
Checked the head gasket and the crankcase O ring are both in good condition. The bore from what I can see through the exhaust shows no signs of scoring. Tested the decompressor and it is working as it should.
Replaced the both the air filter and carby diaphragm with brand new ones to see if they were the cause but it has made no difference. There are no fuel line or other blockages. It happens even with a full tank of fuel and with the grasscatcher empty.
Any ideas of what the issue may be as I am currently at a loss.
Thank you.
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Re: Victa Cutting Disc Washer
NormK
02/11/26 12:02 AM
Hi Weka, I have probably a hundred of them here in a box but postage to NZ is cost prohibitive. Myson lives in Ukland so I know postage well. Glad you got it sorted
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Re: Victa Cutting Disc Washer
Weka
01/11/26 06:07 PM
In NZ the washers are not available.
Blacks Fasteners here sold me two items which do the job:
WCSS12 M12 304 Stainless Conical Belleville Washer DIN 6796
WHA12264Z M12x26x4 Hardened Flat Washer ZP F436M (38-45 HRC)
Held the Belleville washer in some vice grips and slightly enlarged it with a cone drill to allow it to clear the threads. The hardened washer clears the keys on the motor shaft.
My original washer was cracked so I could never tighten it.
I removed the spark plug and filled the cylinder with a light cargo strap to lock the engine to help tighten assembly.
Hope this may help someone.
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Re: Ryobi RST131ES: fuel tank
Bruce
01/11/26 11:58 AM
Hi barramundi2,
Below is a parts list for the the trimmer which should help you identify part positions etc.
Now as to the fuel filter line you don't need to worry about cutting the fuel line so you can get it out of the tank.
1. Remove fuel filter from the tank 2. Get a lenght of fuel line and push it through the hole in the tank until you have enough showing through the petrol cap hole 3. Then place the new fuel line onto the fuel filter. 4.After that pull the fuel line out so the fuel filter goes back into the tank. This will take a bit of pulling and once the spout is through the tank place the plastic washer over the fuel line and let it go to complete the seal.
Hope that this helps.
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Ryobi RST131ES: fuel tank
barramundi2
01/11/26 10:12 AM
Hello all,
I need to replace the fuel tank on above 31cc trimmer (green housing, cream tank).
Have removed the black rear box (air filter cover) . Looked all over the tank for screws and can’t find any. The two screws at the top of the black frame go into the engine mount, so I’ve left them alone. What holds the tank on this model, and do I need to take off the starter housing? What is the best way to get the fuel line and filter out of the tank? Don't want to cut the line flush and push the filter into the tank. Thank you. Frustrated.
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Re: Victa Trimmer Head/Spool question
MowingManiac
31/10/26 10:39 AM
Did manage to chop the bevel housing apart with an angle grinder and removed the wanted piece. It is Left hand thread and fits my Honda brushcutters, it is a pleasure to use, so easy to add some line and get to work.
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Re: Cox 09J6 Compact Tractor — Steering Linkage Question
Bruce
30/10/26 10:53 PM
Hi Matt Midd, Sorry for the late reply regarding your issue. If you type in Cox 09J6 into the search box on the forum you will get quite a few post come up regarding that model including parts list etc which should assis you in fixing you problem. Here is a link to one post that has quite a bit of information. CLICK HERE
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Re: Scott Bonnar 45
Bruce
30/10/26 10:45 PM
Hi looktall,
To my knowledge only the 5/8" shaft had the cotter pin which was replaced with the two grub screws like the 3/4" type.
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Re: Scott Bonnar 45
looktall
30/10/26 01:37 PM
Did the 3/4" shaft clutch ever use a cotter pin? I've only ever seen 5/8" clutch halves and they've been a mix of cotter pin only, cotter pin plus set screw or 2 X set screws and no cotter pin.
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Re: Morrison olympic 600 backlap tips
Bruce
30/10/26 08:12 AM
Hi Domenic,
You could try typing back laping in the search bar at the top of the forum and you will see a lot of topics regarding the issue rather than try to look through the forums.
What we used in the past (many years ago) was use a retangle block of steel and drill holes in it and place a bolt in the centre with nut either side to lock it and then drill two other holes so that a bolt will fit into each side of the sprocket. Not hard to make no welding etc.
Hope that this is of some help to you.
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