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Rev:072409 Copyright © 2009 Liquid Combustion Technology, LLC 

LCT Engine Service Manual: 208cc, 291cc & 414cc   13

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)

11.625 in (295.275mm)

4.17 in [106mm]

3.78 in [96mm]

6.38 in [162mm]

3.625 in [92mm]

BOLT CIRCLE

5/16"-24 thread

3.190 in (81.026mm)

3.475 in (88.265mm)

13.45in (341.63mm)

10.110 in (256.79mm)

12.500" in (317.50mm)

3.05"(77.5mm)

.750 in (19.05mm)

2.4309 in (61.7mm)

Key width 

3/16 in (4.76mm)  

3.622

41.25+0.025

2.200"

4-5/16-24

7.28" (185mm)

4.09" (140mm)

1.97" (50mm)

3.05" (77.5mm)

.51" (13mm)

3.39" (86mm)

5.12" (130mm)

3.52" (89.5mm)

.20"  (5mm)

.67" 

(17mm)

.49" 

(12.5mm)

2.58" (65.5±0.05mm)

7.70" (195.5±0.05mm)

7.70" (195.5±0.05mm)

8.68" (220.5mm)

4.24" (105.75mm)

4.13" (105±0.05mm)

6.34" (162±0.05mm)

6.38" (162mm)

Summary of Contents for 208cc SERIES

Page 1: ...LCT Engines Online Service Manual ...

Page 2: ... 9 Spark Plug Service 9 Engine Oil Level Check 10 Engine Oil Change 10 Engine Oil Recommendations 10 Maintenance Schedule 11 Torque Specifications 12 208cc Summer Engine Dimensions 13 291cc Summer Engine Dimensions 14 414cc Summer Engine Dimensions 15 208cc Snow Engine Dimensions 16 291cc Snow Engine Dimensions 17 414cc Snow Engine Dimensions 18 Exploded Parts Drawings 19 25 ...

Page 3: ... This column indicated whether the PTO shaft crankshaft is configured in the engine horizontally or vertically 5 Shaft This column is used for the description of the PTO shaft This will aid in determining what will be the engine s primary use 6 Shaft Detail This column references a chart that designates which LCT engineering drawing corresponds to the PTO shaft This is for LCT internal use only 7 ...

Page 4: ... 305cc 9 Yellow Blower Housing Pantone 1235C I AC Charging Coil Equipped E11 TBD C1305A 7HP 305cc 1A Titan Green Blower Housing Pantone Green 364C J DC Charging Coil Equipped E12 TBD C1418 8HP 418cc 1B Titan Green Recoil Pantone Green 364C K Evaporative Emission Equipped E13 TBD C1418A 9HP 418cc 1D Black Recoil Pantone Black M Matte L High Output Air Filter CA E14 TBD 1C Carmine Red Blower Housing...

Page 5: ...sured from PTO side CCW measured from PTO side Fuel DO NOT USE E85 regular unleaded gasoline regular unleaded gasoline regular unleaded gasoline Low Oil Shutoff if equipped if equipped if equipped Fuel Shutoff Valve yes yes yes Oil Fill Capacity 16oz 32oz 38oz Spark Plug Gap 0 7 0 8mm 027 030 in 0 7 0 8mm 027 030 in 0 7 0 8mm 027 030 in Ignition Air Gap At Flywheel 0 4 0 2mm 0 4 0 2mm 0 4 0 2mm Va...

Page 6: ...Remedy Add fuel 5 Is the fuel petcock turned to the on position Remedy Turn to the on position 6 Was the engine choked Remedy When starting the engine the choke lever should be pushed left to the on position and after starting pushed right to the off position If engine still does not start move to half choke and pull twice 7 Is the spark plug boot securely fastened to the spark plug Remedy Slide o...

Page 7: ...edy When starting the engine the choke lever should be pushed left to the on position and after starting pushed right to the off position If engine still does not start move to half choke and pull twice 4 Is the spark plug corroded Remedy Remove spark plug and replace with any of the plugs listed under Spark Plug Service pg 9 NOTICE Using an incorrect spark plug may cause engine damage 5 Has the e...

Page 8: ...n coil Replace 4 Spark plug wire damaged Replace 5 Kill switch in OFF position Switch to On 6 Ignition coil air gap is too wide Reset 7 Ignition coil failure Replace No fuel reaching the intake manifold 1 Clogged fuel filter or fuel line Replace 2 Dirty gummed up carburetor Clean 3 Fuel petcock is turned off Turn on 4 Fuel tank is empty Fill Engine idles poorly 1 Out of adjustment tappet clearance...

Page 9: ...prings Replace 2 Worn camshaft Replace 3 Valve timing out of adjustment Adjust 4 Too narrow spark plug gaps Adjust 5 Defective ignition coil Replace 6 Clogged air cleaner element Replace 7 Clogged fuel line resulting in inadequate fuel supply to carburetor Replace 8 Worn bearings Replace 9 Blown head gasket Replace 10 Ignition coil air gap too wide Adjust 11 Dirty gummed up carburetor Clean 12 Sta...

Page 10: ...ated the engine Tune up 3 Loose spark plug Tighten 4 Too lean fuel mixture Check for air leak Spark Plug Service Recommended spark plugs Torch Plug F6RTC Cross References Champing plug cross reference is RN9YC some tables show RN9YCC NGK plug cross reference is BPR6ES BOSCH plug cross reference is WR6DC NOTICE Using an incorrect spark plug may cause engine damage 1 When engine is cool disconnect t...

Page 11: ...n completely then reinstall the drain plug and tighten it securely Do not over tighten Dispose of used motor oil in a manner that is compatible with the environment We suggest you take used oil in a sealed container to your local recycling center or service station for reclamation Do not throw used oil in the trash pour it on the ground or pour down a drain 3 With the engine in a level position fi...

Page 12: ...ine Oil Level Check Engine Oil Replace Replace Air Filter Check Clean Replace Spark Plug Clean Replace Cylinder Head Fins Clean Oil Leaks Check Bolts Check Fuel Hose Clamps Check Spark plug gap to be set to 0 027 0 030 inches Extreme Operating Conditions greater than 40 hrs per year EACH USE EVERY 40 HOURS Engine Oil Level Check Engine Oil Replace Air Filter Check Spark Plug Replace Cylinder Head ...

Page 13: ...bolt 12 14 20 20 24 Flange bolt 18 24 18 24 18 24 Distributor M6 27 10 12 10 12 10 12 Flange bolt of cylinder head M8 55 36 40 42 48 Pivot adjusting nut for intake exhaust valve 10 10 10 Flange bolt for head cover 10 12 10 12 10 12 The bolt for crankcase cover M6 14 10 12 10 12 10 12 Side plate M6 12 8 8 8 Governor support 8 8 8 Carburetor nut M6 7 8 8 Muffler nut M8 24 24 24 Rocker bolt 20 25 20 ...

Page 14: ...00 in 355 6mm 11 625 in 295 275mm 4 17 in 106mm 3 78 in 96mm 6 38 in 162mm 3 625 in 92mm BOLT CIRCLE 5 16 24 thread 3 190 in 81 026mm 3 475 in 88 265mm 13 45in 341 63mm 10 110 in 256 79mm 12 500 in 317 50mm 3 05 77 5mm 750 in 19 05mm 2 4309 in 61 7mm Key width 3 16 in 4 76mm 3 622 41 25 0 025 2 200 4 5 16 24 7 28 185mm 4 09 140mm 1 97 50mm 3 05 77 5mm 20 5mm 49 12 5mm 2 58 65 5 0 05mm 7 70 195 5 0...

Page 15: ...2009 Liquid Combustion Technology LLC LCT Engine Service Manual 208cc 291cc 414cc 14 291cc Summer Engine Dimensions Drawings do not accurately represent actual engine appearance 22 5 29 17 R13 R 7 132 90 14 106 ø12 2 ø10 5 ...

Page 16: ...d Combustion Technology LLC LCT Engine Service Manual 208cc 291cc 414cc 15 414cc Summer Engine Dimensions Drawings do not accurately represent actual engine appearance 22 5 29 17 R13 R 7 132 ø12 2 ø10 5 90 400 485 14 106 432 133 0 03 ...

Page 17: ...ev 072409 Copyright 2009 Liquid Combustion Technology LLC LCT Engine Service Manual 208cc 291cc 414cc 16 208cc Snow Engine Dimensions Drawings do not accurately represent actual engine appearance D D D D ...

Page 18: ...17 70 8 182 145 182 297 260 35 349 100 73 81 0 1 317 70 8 182 145 182 297 260 35 349 100 73 81 0 1 59 1 0 4 5 3 8 24UNF 2B 6 0 ø 10 5 73 03 1 0 34 133 5 0 05 65 28 R2 R2 R3 ø30 0 04 0 06 369 03 296 446 424 133 5 0 05 3º 2º 402 90 0 1 105 5 0 1 ø113 0 15 ø92 0 15 8x5 16 24 9 12 0 13 0 6 4 0 05 0 ø25 4 0 025 0 21 20 118 37 81 0 1 4xø8 9 0 0 1 N N 90 0 1 90 0 1 105 5 0 1 105 5 0 1 208 3 640 220 9 195...

Page 19: ...ine appearance 70 8 322 35 359 100 73 103 270 70 8 183 103 225 35 100 73 59 1 0 4 5 3 8 24UNF 2B 6 0 ø 10 5 73 03 1 0 34 133 5 0 05 65 28 R2 R2 R3 ø30 0 04 0 06 387 03 314 465 249 118 431 133 5 0 05 3º 2º 412 90 0 1 105 5 0 1 ø113 0 15 ø92 0 15 8x5 16 24 9 12 0 13 0 6 4 0 05 0 ø25 4 0 025 0 22 5 223 2 640 132 236 85 195 29 103 0 1 4xø8 9 0 0 1 N N 90 0 1 90 0 1 105 5 0 1 105 5 0 1 ...

Page 20: ...32 31 33 12 38 30 47 27 29 22 21 45 10 26 19 17 20 18 28 3 7 15 42 44 40 41 40 Included with part 40 39 6 1 23 2 13 46 48 8 11 5 4 34 16 37 36 25 49 ...

Page 21: ...WER HOUSING ASSEMBLY ELECTRIC START SNOW BLACK 532424971 20A BLOWER HOUSING ASSEMBLY ELECTRIC START SNOW BLACK 532429230 21 SHIELD CYLINDER 532424973 22 SHIELD FLYWHEEL 532424975 23 VALVE COVER 532420580 25 FUEL PETCOCK 532420592 26 ELECTRIC START FLYWHEEL ASSY 532424970 26A MANUAL START FLYWHEEL ASSY 532429236 27 HIGH OIL FILL TUBE ASSY 532424969 28 FLYWHEEL FAN 532420586 29 IGNITION COIL ASSY 53...

Page 22: ...Electric Start Only 31 34 29 25 12 38 37 36 30 47 27 49 22 32 3 48 33 10 26A 20 18 28 42 44 40 41 39 23 16 50 21 51 11 1 5 4 19 17 40 Included with part 40 7 15 6 8 13 ...

Page 23: ... ASSEMBLY ELECTRIC START SNOW 532429229 21 SHIELD CYLINDER 532429231 22 SHIELD UNDER FLYWHEEL CHARGING SYSTEM SNOW 532429232 23 VALVE COVER 532429233 25 FUEL PETCOCK SNOW 532429234 26 FLYWHEEL ASSEMBLY ELECTRIC START SNOW 532429288 26A FLYWHEEL ASSEMBLY MANUAL START SNOW 532429289 27 HIGHOIL FILL ASSY KIT SOW 532429237 28 FLYWHEEL FAN 532429238 29 IGNITION COIL ASSY 532429240 30 CRANKCASE COVER AS...

Page 24: ...Electric Start Only 31 34 29 25 12 38 37 36 30 47 27 49 22 32 3 48 33 10 26A 20 18 28 42 44 40 41 39 23 16 50 21 51 11 1 5 4 19 17 40 Included with part 40 7 15 6 8 13 ...

Page 25: ...NG ASSEMBLY ELECTRIC START SNOW 532429302 21 SHIELD CYLINDER 532429231 22 SHIELD UNDER FLYWHEEL CHARGING SYSTEM SNOW 532429232 23 VALVE COVER 532429303 25 FUEL PETCOCK SNOW 532429234 26 FLYWHEEL ASSEMBLY ELECTRIC START SNOW 532429304 26A FLYWHEEL ASSEMBLY MANUAL START SNOW 532429305 27 HIGHOIL FILL ASSY KIT SNOW 532429237 28 FLYWHEEL FAN 532429306 29 IGNITION COIL ASSY 532429307 30 CRANKCASE COVER...

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