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Joined: Apr 2023
Posts: 26
Jeffery Offline OP
Novice
I have two Victa 550 Pro's One a SP and the other a Push mower. It says that I need a 4 ring main jet but I have not been able to locate one anywhere nor have a ever seen one. Mind you I have only been into mowers for a couple of years now.

Does anyone have an image of one? or even better does anyone have one ?

Joined: Jan 2013
Posts: 942
Likes: 18
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Victa jets

Click on the above link
Not sure how useful this will be but it's something i posted a few years ago. Unfortunately the discussion didn't go too far.

Last edited by bigted; 20/06/24 11:00 PM.
Joined: Sep 2015
Posts: 2,070
Likes: 148
SENIOR TECHNICIAN & HISTORIAN
G'day Jeffery & Bt

The jets just have a different flow rate and depending on the specs on different motors you just change the jet to suit , some motors
have a larger intake snorkel, straight manifold ,high/ low comp head ,different flow rates in orifices in different LM carbs and primer
caps ,more efficient later designed motors will produce more torque with a smaller jet compared with an older motor with larger jet.

2 rings = 39-40m/l per min , 1 ring = 125cc & 85cc 43-45m/l per min, plain face = 160cc & 170cc 45-47m/l per min,
4 ring = 40 - 42m/l per min , I read somewhere that the VSX 160 cc had 25 percent more Torque with the larger intake snorkel and straight carb manifold and the ones I've seen have the 2 ring jet.


Cheers
Max.

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