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View Full Version : 12-1 piston on my 200 carb ??



FRANKINTRIKE185
02-09-2015, 11:03 AM
I have a 200s in my 185 frame with a 12-1 piston im looking for info on what my carb need to run right . I haven't started it yet also the manual says 12-14 ftlb for the head studs is that correct (8mm cap nutts)

thanks in advance for any help

1st post

YTZ drew
02-09-2015, 12:17 PM
6-9 ft/lbs on the 6mm allen screws, and 20-22 ft/lbs on the four cap nuts. As far as carb settings, start with stock and go from there. Just adding compression with no others mods doesn't dramatically alter your carburetion needs.

And by the way, welcome to the forum!

trikejunkie
02-09-2015, 01:29 PM
I have a 200s with 12:1 200x carb with 112 main jet stock slow jet. Also I have DG exhaust, xr200 cam. If u have done no other mods trailprotrailpro main jet won't be as high as mine but close, maybe 103_105 main jet should put u close.

FRANKINTRIKE185
02-11-2015, 10:14 PM
Thanks guys I think I'm gunna try a 105 in a 200x crab. I found them at jetsrus will I need to do anything with the slow jet?

FRANKINTRIKE185
02-12-2015, 06:32 PM
Any one have any info on the slow jet??