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#116963 07/12/22 07:39 PM
Joined: Jan 2016
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NormK Online Content OP
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I have a couple of PT giving me a similar problem. They have modified carbys they start straight up rev as they should, idle fine but then they will just stop. Prime them a couple of times and they repeat the procedure and then just stop. The tank breather is clear, fuel flow seems fine and the main jet filter in the primer cap is clear. I have modified a couple of carbys and they seem the same. I'm just wondering it it may be a lower seal issue. Any thoughts before I just swap the motors out and put these in the future repair pile?

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NormK #116965 07/12/22 08:30 PM
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SENIOR TECHNICIAN & HISTORIAN
Hi Norm,

If it's not a fuel problem it sounds like an electrical problem ,when the electrical side starts to fail it warms up and then cuts out then when it cools starts again gets warm and stops.

I've had this sometimes when the 3 starter bolts are loose ,otherwise make sure the spark plug is good ,I would try another module first and
if that doesn't fix it change the coil.


Cheers
Max.

NormK #116967 07/12/22 09:00 PM
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I will have a quick look at them tomorrow Max, just strange that I have 2 of them at the moment doing the same thing. I'm not going to waste too much time on them and if I pull the motor to look at the coil I will just replace the motors with known running ones I have here

NormK #116970 07/12/22 09:09 PM
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Easy to test Norm ,hook your timing light up ,start the engine and when it cuts out watch the timing light cut out ,if the light is still
flashing when the motor dies it's not an ignition problem.

NormK #116974 08/12/22 07:36 AM
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Good call there Max

NormK #116977 09/12/22 08:07 AM
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Hi Max,
I modified another carby, tried with the timing light and couldn't get it to fire, removed the timing light and it fired straight up and runs fine. I will do another carby for the other one today. Sometimes with these carbs, I get the odd one that will play up, no idea why, but when I get one I just bin it

NormK #116979 09/12/22 05:31 PM
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G'day Norm,

As we know for a quick test for lack of fuel in the carby if the engine cuts out ,we would start the mower without the air filter in and when
the motor starts to die give the air intake a spray of fuel or starter fluid ,then that will tell you if the carby has a problem ,it
would have been helpful if Victa had of put a sight glass on the primer cap.

To save spending money on starter fluid you can just use fuel in an old spray bottle ,I just fill an old WD 40 spay can.

Strange that the carby housing had a problem ,doesn't look like there is much to go wrong.Unless the housing is for
a Victa compact or Vortex and the veturi is different.

Originally Posted by NormK
tried with the timing light and couldn't get it to fire, removed the timing light and it fired straight up and runs fine.

My old timimg light works well ,starts straight away with the light connected ,maybe your timing light is draining the spark to the plug.

Possibly the spark plug is on the way out and won't work with your timing light.

Cheers
Max.

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NormK #116981 10/12/22 11:27 AM
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My love affair with Victa 2 strokes is just about at an end, I just can't be bothered with fighting primer caps and float needles, just not worth the time wasted getting them to work. I will just stick to repairing Deutschers and Ariens the rest is just too much time wasting to bother with

NormK #116982 10/12/22 12:37 PM
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Sounds more like a love hate relation NormK.
I have noticed you dabbling more with four stroke machines of late.
I have to say they are more than capable, much quieter, use a lot less fuel and don't make your clothes stink. They've fallen out of favour with the populace at large. I'm still enthused with them though.


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
NormK #116983 10/12/22 01:24 PM
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Hi MF,
it is this constant battle I have with float needles and primer caps my strike rate lately on getting one to work is about 50/50

NormK #116984 10/12/22 02:27 PM
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So has your strike rate risen substantially with the sump oil variety has it? No legs out of bed?


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
NormK #116985 10/12/22 03:10 PM
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MF,
I don't do much with the Briggs these days, just the odd one here and there and surprisingly I have only had one Chonda with a leg out of bed, and I know where it came from and it had been abused big time, flogged into the ground and run out of oil. The Chonda motors (cranks and barrel/piston) don't seem too bad , it is just all the ad ons that are rubbish (carbies, governor setup, pull starts) that is what lets them all down

NormK #116987 10/12/22 03:40 PM
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That's what I've gathered too NormK.
It'd be nice to be able to bolt Honda bits to them.


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
NormK #116988 10/12/22 07:20 PM
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MF, I get a few Chondas with a governor very similar to the Hondas and I rip them off any motors I can't salvage and I have used them on good Chonda motors with a failed governor, that way I can set them up and control the revs with the throttle, they work very well, I just struggle a bit finding the governor setups, generally the come from Sanlis I think

NormK #116989 10/12/22 07:57 PM
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Is the governor set up a metal plate with linkages behind the carburetor held on by two bolts?


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
NormK #116993 10/12/22 08:52 PM
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Yes MF, problem with Chondas is they are all different but they all still bolt on on those 2 bolts but the way they are setup on each model is what makes all the difference. I still have a couple of Gardenline mowers here that look almost brand new but I need the governor plates so I can get them to run nicely and then I can hunt down cowls and pull starters and carbys to get them running again. They always either have the pull start missing or broken because the mower won't start because they have put ethanol fuel in it and then they just keep pulling the starter till it breaks and they they get turfed onto the nature strip.
And then the other thing with the Chondas is they very rarely come with a catcher and then I end up spending an hour or so fitting a Victa catcher to them. I used one today to mow my laws and with the Victa catcher they do work well

Last edited by NormK; 10/12/22 08:59 PM.

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