Jetting
4PT engine but 3TB engine number, open exhaust, gas flowed head and fairly free intake in my SRX400 frame. Carbs are the YDIS 26mm but I'm not sure which year, the specs as below.
Primary Carburettor
Main Jet = #145
Pilot Jet = #46
Nozzle = V00
Needle = 5C41 3/5
Piston = 5.5 cutaway
Secondary Carburettor
Main Jet = #110
Nozzle = 00
Needle = 5Y10 3/5
Any assistance in ball park jetting figures? She seems to be little rich, will try lowering the needles and see how she feels.
But for the main circuit which jets should I get hold of? XT parts or aftermarket - if available?
Whats the usual pattern when jetting bwetween the two different carbs?
Any help at all would be really appreciated.
Cheers!
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