1978 yz125 need ring gap spec head and cylinder bolt torque spec

Marvin

• 85242 Answers
• Posted on Sep 08, 2008

SOURCE: 2005 Tucson

camshaft sprocket bolt 58-72 ft. lbs. crankshaft pulley bolts 108-132 ft. lbs. crankshaft pulley center bolt 80-94 ft. lbs. cylinder head bolts cold engine 65-72 ft. lbs. warm engine 73-80 ft. lbs. cylinder head rear cover bolts 69-86 in. lbs. flywheel/Driveplate bolts 94-101 ft. lbs. intake/Exhaust manifold nuts/Bolts 11-14 ft. lbs. jet valves 13-16 ft. lbs. main bearing cap bolts 36-39 ft. lbs. oil pan bolts 51-69 in. lbs. oil pan nuts 43-60 in. lbs. oil pan drain plug 33 ft. lbs. oil pump cover bolts 72-84 in. lbs. oil pump relief valve plug 29-36 ft. lbs. oil pump sprocket nut 25-28 ft. lbs. Rear oil seal retainer bolts 84-108 in. lbs. rocker arm shaft bolts 14-15 ft. lbs. rod bearing cap nuts 23-25 ft. lbs. silent shaft sprocket nut 22-28 ft. lbs. spark plugs 15-21 ft. lbs. thermostat housing-to-Engine bolts 86-114 in. lbs. timing belt tensioner bolt 32-40 ft. lbs. valve cover bolts 43-61 in. lbs. water pump-to-Engine bolts alternator brace bolt 14-20 ft. lbs. all others 9-11 ft. lbs. water pump pulley bolts 72-84 in. lbs.

SOURCE: Need cylinder and cylinder head torque specifications 98 XR 250

you dont need torque specs on that just use a 1/2 inch drive with you 14mm or16mm socket hold the wratchet right at the top and tighten it as tight as you could get it like that then use wratchet in normal position and just give it a little snugg it will be perfect i have done it a million time on the same type of bikes...

SOURCE: Need torque wrench settings for cylinder head bolts

try here http://www.manualz.info/

hope this helps

SOURCE: 91 kx 250 torque values

Engine Top End:
Auto Decompressor Bolt 104 in·lb
Cylinder Head Cover Bolts 87 in·lb
Cylinder Head Bolts: M10 36 S
M6 104 in·lb S

the S in that means the specified pattern ... just like tightening car tire bolts... please note all that it its INCH lbs....

don't know why it says just 36 for the M10 bolts unless they left out inch lbs

Anything else let me know as i've got a manual for the 250 f... actually i've got a few different ones

Robert

Please take a moment to rate this solution as i've taken a few minutes to find the manual thanks

SOURCE: 94 mazda B3000 3.0L cylinder head torque specs

Step 1 torque to 59 ft pounds
2. Loosen one full turn
3. 37 ft pounds
4. 68 ft pounds

Use torque sequence below