I just bought a 2004 MC 250 and decided to finaly install my LTR jet & needle kit.
That bike had a 178 main and a 40 pilot. The needle was a N1EF ??
Now I have a 185 main (a 180 came with the LTR kit) and 45 pilot (that came with the LTR kit).
I think I will be much safer running in the cold now.
I have one strange bit
When I installed the 185 main on my EC (an hour before I did the MC) I was able to really tighten that main jet down good. When I did the main for the MC, it seemed stripped. I could get it mildly snug (good enough I think (hope
)) and then a weensy-bit more and it would turn too easily again. I thought about lok-tite, but decided against it. The treads looked big and all even and perfect. They did not look stripped or deformed at all. I was not using my 1/2" drive impact wrench.
What would happen if that main jet rattled off inside the bowl ? My guess is that the mixture would just suddenly be way to rich for combustion and the RPM might spike and then just stop. It wouold drop into the sediment bowl and I would just have to fix it.
Would I need to buy a whole new carb in order to get threads that would hold ?
Theres never a dull moment in MY garage !!