Keinhin fcr mx 39 jets and needle advice please

Started by harrier9 , Jun 16 2012 02:00 PM

1 reply to this topic

  • harrier9

Posted 16 June 2012 - 02:00 PM

#1

Started to strip my fleabay bargain,still don't know what this carb came off,no search results with serial number 5TG1 00RL09 anyway the jets fitted are
main 175,pilot 48,starter jet 90 and a air jet stamped 100
Carb also has a NDSR needle.I understand that the drz base setting is this
155 main jet
200 main air jet
EMN needle
clip 3
45 pilot jet
remove pilot air jet
2 turns fuel screw
My question ,what size starter jet and which of the air inlets are the slow and the main,only one has a jet in it(the 100 sized one)
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  • Craigo 485sm

Posted 16 June 2012 - 06:05 PM

#2

Starter jet should be around a 68......Looking at the back of the carb the main air jet is on the right and the slow air jet is on the left
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