18 ft. lb. - That is directly out of a 1981 YZ 465 H owners manual.
18 ft. lb. From owners manual of 1981 YZ 465 H.
25 ft lb
torque de yz 250
18 ft lbs. on both.
The cylinder head bolt torque specification is 90 pounds. The cylinder head bolts should be torqued in 30 pound intervals.
20 ft lbs
~30 Nm I should guess would do the thing. Most important is to tighten "crosswise" and go in small steps until you reached the final torque.
The torque specification for the cylinder head on a 1989 Yamaha YZ 250 is typically around 18-22 ft-lbs (24-30 Nm). It's important to follow the proper torque sequence, usually starting from the center bolts and moving outward in a crisscross pattern to ensure even pressure. Always refer to the service manual for the most accurate and specific information for your model.
The OEM carb on a YZ465 is a 38MM Mikuni VM roundslide.
3r5 is a yz465 1980 4v4 is a yz465 1981 engine and frame numbers will start with these prefixs
a torqe wrench
My friend bought a brand new 2003 YZ 85 and on the spec list it said that the stock speed was 66 mph