Lct engines service manual pgm45015 12/04/17 rev g engineering a new generation of power.
Table of contents engine model number & serial numbering system 2-3 general specifications 4-5 general troubleshooting 6-7 advanced troubleshooting (for authorized lct technicians) 8-10 spark plug service 10 engine oil level check 11 engine oil change 11 engine oil recommendations 11 maintenance sch...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 2 the first two lines of an engine’s number is the model number. It is alphanumeric and engraved on the side of the block to the right of the recoil. The third line is alp...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 3 plant design family crankshaft shaft hp paint code starter type options emissions label pack code p lm moderate h horizontal t threaded 150 [1.5hp (63cc)] 1 - jpc black ...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 4 general specifications item 79cc 136cc 179cc 208cc 223cc 254cc maximum speed 3850±50rpm 3850±50rpm 3850±50rpm 3850±50rpm 3850±50rpm 3600±50rpm idle speed 2050+/-50rpm 20...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 5 general specifications item 291cc 306cc 369cc 414cc 420cc maximum speed 3850±50rpm 3850±50rpm 3850±50rpm 3850±50rpm 3850±50rpm idle speed 2050+/-50rpm 2050+/-50rpm 2050+...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 6 general troubleshooting engine will not start: 1. Check oil level- do you have the correct amount of oil? (ref: engine oil service, pg. 10) remedy: oil should be visible...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 7 general troubleshooting engine stops running: 1. Has the fuel being used been purchased within the last 30-days and was it stored in a plastic container? Remedy: replace...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 8 advanced troubleshooting – for authorized lct technicians engine complaint symptom and possible causes remedy engine will not start, or is hard to start compression too ...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 9 noisy engine excessive valve chatter 1. Too large valve clearance adjust 2. Weakened or broken valve spring replace 3. Worn tappet or cam lobe replace 4. Worn and burnt ...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 10 dirty or heavy exhaust smoke 1. Too much engine oil in the engine adjust 2. Worn piston rings or cylinder replace 3. Worn valve guides replace 4. Scored or scuffed cyli...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 11 max upper level max lower level engine oil level check check the engine oil level with the engine stopped and with the engine in a level position. 1. Remove either side...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 12 note following proper maintenance is critical under extreme operating conditions. Maintenance schedule normal operating conditions (less than 40 hrs. Per year) each use...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 13 torque specifications item 79cc torque (n.M) 136cc torque (n.M) 179cc torque (n.M) 208cc torque (n.M) 254cc torque (n.M) oil drain bolt 31 (270-280 in-lbs.) 31 (270-280...
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 (330-34...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 15 79cc summer engine dimensions *drawings do not accurately represent actual engine appearance..
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 16 136cc summer engine dimensions *drawings do not accurately represent actual engine appearance. 14.208in 360.89mm ni4 78. 21 m m9 9. 62 3 15.794in 401.18mm 3.583in 91mm ...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 17 179cc / 208cc summer engine dimensions *drawings do not accurately represent actual engine appearance. 6 4-5/16-24unf 5/16-24unf 16.250 in (412.75mm) 14.00 in (355.6mm)...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 18 291cc summer engine dimensions *drawings do not accurately represent actual engine appearance. 22.5 29 17 r13 r7 132 90 14 106 ø12 2-ø10.5.
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 19 414cc summer engine dimensions *drawings do not accurately represent actual engine appearance. 22.5 29 17 r13 r7 132 ø12 2-ø10.5 90 400 485 14 106 432 133±0.03.
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 20 420cc summer engine dimensions *drawings do not accurately represent actual engine appearance..
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 21 136cc snow engine dimensions *drawings do not accurately represent actual engine appearance. 14.23 361.3 9.01 228.9 6.51 165.4 9.75 247.6 4.20 106.70 12.12 307.8 3.07 7...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 22 179cc / 208cc gen ii snow engine dimensions *drawings do not accurately represent actual engine appearance. 15.75 400.1 4.18 106.1 14.00 355.6 12.80 325 14.00 355.6 15....
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 23 254cc snow engine dimensions *drawings do not accurately represent actual engine appearance..
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 24 291cc / 306cc snow engine dimensions *drawings do not accurately represent actual engine appearance. 317 70.8 182 145 182 297 260 35 349 100 73 81 0.1 +- 317 70.8 182 1...
Copyright © 2018 liquid combustion technology, llc lct engine service manual: 79, 136, 179, 208, 254, 291, 306, 369, 414 & 420cc 25 369cc / 414cc snow engine dimensions *drawings do not accurately represent actual engine appearance. 70.8 322 35 359 100 73 103 270 70.8 183 103 225 35 100 73 + - + - +...
Liquid combustion technology, llc 100 roe road travelers rest, sc 29690 phone: 877-274-2214 california proposition 65 warning: the engine exhaust from this product and this product contains chemicals known to the state of california to cause cancer and birth defects, or other reproductive harm..