Toro 51643 Service Manual page 15

SPECIFICATIONS (cont'd)
Carburetor Specifications
Item Standard
Throttle Valve Needle Jet
1.4
to 1.6mm
(0.055
to 0 . W ' )
Idle Speed Adjusting Screw Adjust so idle is (3000
200
rpm on TC3000 and
TC4000
(2500 200
rpm on TCSOOO)
Fastener Torques
Fastener kgm in Ibs
Crankcase Screws
0.4
to 0.5 35 to 43