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View Full Version : help ys 91 st engine carb set up


ganty
07-13-2008, 09:54 AM
hello to all i have got a t rex 700 at last
can any help with the carb setup for it it is a new engine
it idle ok then i put power on it then it stops can any one help :arggg::arggg:

george0079
07-13-2008, 09:08 PM
what are your needle settings at?

macsrgreat
07-13-2008, 11:51 PM
hey man make sure the check valve is in the correct direction, there is a notch that should be closest to the ground facing away from the crank case. I made the same mistake and had it upside down only to have it die when you give it the gas.

hope this helps

Rus.

ganty
07-14-2008, 12:53 PM
hi rus i have the had a go i have it in the right way around cheers for the :thumbup: in put


hi george0079 i have the hover needle set at 2.5 turns and the high needle set at 1. turn out cheers for the in put :thumbup:

mlucia
07-14-2008, 04:20 PM
http://yspartsandservice.com/pdf/YS91SR.pdf


Look under the section on page 1 called "Start up"