LCT 79cc - Torque Specifications

Copyright © 2018 Liquid Combustion Technology, LLC LCT Engine Service Manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 14
Torque Specifications
Item
291cc Torque
(N.M)
306cc Torque
(N.M)
369cc Torque
(N.M)
414cc Torque
(N.M)
420cc Torque
(N.M)
Oil Drain Bolt 38 (330-340 in lbs.) 38 (330-340 in lbs.) 38 (330-340 in lbs.) 38 (330-340 in lbs.) 38 (330-340 in lbs.)
Oil drain extended tube
(if equipped)*
45 (400-410 in lbs.) 45 (400-410 in lbs.) 45 (400-410 in lbs.) 45 (400-410 in lbs.) 45 (400-410 in lbs.)
LOS Switch Mtg Bolts 8 (71 in-lbs.) 8 (71 in-lbs.) 8 (71 in-lbs.) 8 (71 in-lbs.) 8 (71 in-lbs.)
Spark plug 20-25 (177-222 in-lbs.) 20-25 (177-222 in-lbs.) 20-25 (177-222 in-lbs.) 20-25 (177-222 in-lbs.) 20-25 (177-222 in-lbs.)
Carburetor Mtg Studs 8-12 (71-106 in-lbs.) 8-12 (71-106 in-lbs.) 8-12 (71-106 in-lbs.) 8-12 (71-106 in-lbs.) 8-12 (71-106 in-lbs.)
Exhaust Studs 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.)
Connecting rod bolt 20 (177 in-lbs.) 20 (177 in-lbs.) 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.)
Ignition Coil mtg bolts 10-12 (86-106 in-lbs.) 10-12 (86-106 in-lbs.) 10-12 (86-106 in-lbs.) 10-12 (86-106 in-lbs.) 10-12 (86-106 in-lbs.)
Valve adjustment lock-
ing nut
10 (86 in-lbs.) 10 (86 in-lbs.) 10 (86 in-lbs.) 10 (86 in-lbs.) 10 (86 in-lbs.)
Governor Arm locking
bolt
8 (71 in-lbs.) 8 (71 in-lbs.) 8 (71 in-lbs.) 8 (71 in-lbs.) 8 (71 in-lbs.)
Carburetor mtg nut
(summer/winter)
8 (71 in-lbs.) 8 (71 in-lbs.) 8 (71 in-lbs.) 8 (71 in-lbs.) 8 (71 in-lbs.)
Muffler mtg nut 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.) 20-24 (177-212 in-lbs.)
Rocker Arm mtg stud 20-25 (177-222 in-lbs.) 20-25 (177-222 in-lbs.) 20-25 (177-222 in-lbs.) 20-25 (177-222 in-lbs.) 20-25 (177-222 in-lbs.)
Crankcase PTO Cover
bolts
24-26 (212-230 in-lbs.) 24-26 (212-230 in-lbs.) 24-26 (212-230 in-lbs.) 24-26 (212-230 in-lbs.) 24-26 (212-230 in-lbs.)
Cylinder Head Bolts 40-42 (29.5-31 ft-lbs.) 40-42 (29.5-31 ft-lbs.) 48 (35 ft-lbs.) 48 (35 ft-lbs.) 48 (35 ft-lbs.)
Flywheel nut 116-120 (86-89 ft-lbs.) 116-120 (86-89 ft-lbs.) 116-120 (86-89 ft-lbs.) 116-120 (86-89 ft-lbs.) 116-120 (86-89 ft-lbs.)
Valve Cover mtg bolt(s) 12-13 (106-115 in-lbs.) 12-13 (106-115 in-lbs.) 12-13 (106-115 in-lbs.) 12-13 (106-115 in-lbs.) 12-13 (106-115 in-lbs.)
Fuel Tank mtg bolts 22-26 (189-223in-lbs.) 22-26 (189-223in-lbs.) 22-26 (189-223in-lbs.) 22-26 (189-223in-lbs.) 22-26 (189-223in-lbs.)
Speed Control mtg
bolts
6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.)
Recoil Starter mtg bolts 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.)
Electric Starter mtg
bolts
10-14 (86-124 in-lbs.) 10-14 (86-124 in-lbs.) 10-14 (86-124 in-lbs.) 10-14 (86-124 in-lbs.) 10-14 (86-124 in-lbs.)
Blower Housing mtg
bolts
6-10( 52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.)
Sheet Metal mtg bolts 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.) 6-10 (52-86 in-lbs.)
*Torque values are with thread locking compound applied to the threads.