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GXV160 clutch
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Joined: Oct 2019
Posts: 29
Novice
Hey Norm,

I do totally trust your method.

I am just not ready to try your method yet till I exhaust all other options.

I also feel that it would be my luck I would mod the carby and I would still have the same issue

Joined: Jan 2016
Posts: 8,184
Likes: 232
SENIOR TECHNICIAN
Float needle is critical, some stick in the seat, some I have had to shorten so that they can drop enough to allow fuel to flow. One major reason for modifying the carby is you will probably find it very difficult to get the kill switch to work , very bad bit of design work

Joined: Oct 2019
Posts: 29
Novice
Im fine with the kill switch not working. Ill just pull the spark plug lead off.

I just want this bad boy running

Joined: Jan 2016
Posts: 8,184
Likes: 232
SENIOR TECHNICIAN
I assume the main jet strainer is clear, I haven't mentioned that before because you said it ran flat out with the needle and float removed, this indicates it is clear

Joined: Oct 2019
Posts: 29
Novice
Yeah I have blown that out several times. I can blow air through it in reverse quite easily.

I am thinking I might replace my float since that is still old

Joined: Jan 2016
Posts: 8,184
Likes: 232
SENIOR TECHNICIAN
Old float is not the problem as long as it is not hitting the tower ( I guess it isn't because then it will flood out the primer cap). You then have to check that the float does not hit the floor of the body before it allows fuel to flow. It all depends on how high or low the seat has been fitted in the primer cap, the can vary slightly. If the float is ok in both directions no need to replace it.

Joined: Jan 2016
Posts: 8,184
Likes: 232
SENIOR TECHNICIAN

POI,
The only other reason it won't run is there may be something wrong with the carby body. Rare but not impossible, of the hundreds I have modified I have had 5 or 6 that for some reason just would not work so the percentage is low but there is always that chance. I have boxes of parts G4/LM and I just grab whatever I need, doesn't matter what they are. I do have to fit an idle stop screw in the G4 cam to prevent them travelling too far and allowing the cable to let go.

Joined: Oct 2019
Posts: 29
Novice
Turns out there was a very fine crack in the carby body where you screw in the main jet.
I had a friend give me an entire carby body and she runs now.
I had a couple hiccups with not running for more than a minute or two but I have had that sorted now.

Massive thanks to you guys for all the support and patience you have given me along the way

Joined: Feb 2006
Posts: 4,675
Likes: 165
SENIOR TECHNICIAN
Well there you go. How did you detect it?
Just goes to show that even a spare shell or two is worth holding on to.


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
Joined: Oct 2019
Posts: 29
Novice
I just went back over the parts again looking for something and noticed the crack

Joined: Jan 2016
Posts: 8,184
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SENIOR TECHNICIAN

As I said it is rare for me to have a problem with the body but it does happen. I don't go looking for the problem, I just move on and modify another body and mark the faulty one so I don't get them mixed up

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