200 main air? is that for real?
Posted May 12, 2005 - 04:20 PM
stock needle #3 slot
200 main air
75 pilot air
1.75 turns on idle mixture screw
Now that doesn't look so bad except for the 200 main air. Has anyone seen that before? BTW is the idle mixture screw what some people call the "fuel screw"? I'm guessing it is as nothing else makes sense.
I'll repost about drivability again when I test this filter vs a stocking to see if this filter is really breathing enough. I don't think it is.
Posted May 12, 2005 - 04:43 PM
Posted May 12, 2005 - 05:22 PM
Needle: OBVDR (YZ400, stock WR is OBDTM)
Clip: 5 of 7 from the top (stock is 3)
Pilot screw: 1 1/4 (stock)
Starter Jet: 60 (stock)
Pilot Jet: 48 (dunno what stock is - manual doesn't list (Clymer), but YZ is 45)
Main Air Jet: 200 (stock)
Pilot Air Jet: 75 (stock)
Listed above are my settings for a '99 WR400, with stock noted where known.
It doesn't sound like it is "jetted" for the pipe, which may explain why it runs weird. Of course, that 168 SJ may also not be helping.
And yes, the fuel screw is often referred to as the mixture screw.
Posted May 12, 2005 - 05:23 PM
Posted May 15, 2005 - 12:09 AM