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Engine Specifications


Discontinued Engines

LA Sport Engines
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
10LAOSMG001111411ABN2,500 - 18,0000.27 @ 17,0004.0 (112)87110H7x4A3
15LAOSMG001611532ABN2,500 - 18,0000.40 @ 17,0004.9 (138)87110G8x4A3
25LAOSMG002612352ABN2,000 - 16,0000.59 @ 15,0007.0 (197)E-203020H9x5A3
46LAOSMG004713393ABN2,000 - 16,0001.18 @ 15,0009.6 (272)E-303040D11x6
65LAOSMG006616512ABN2,000 - 16,0001.68 @ 16,00018.9 (535)E-4010S60J12x6A3
LA-S Control-Line (CL) Engines
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
25LA-SOSMG142612361ABN2,000 - 16,0000.59 @ 16,0006.5 (186)8719x6A3
46LA-SOSMG144713411ABN2,000 - 16,0001.18 @ 15,0009.3 (264)E-303011x6A3
FX/AX and SX Engines
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
25AXOSMG052712670ABL2,500 - 17,0000.79 @ 15,000E-308021L#8
25AXOSMG052712670ABL2,500 - 17,0000.79 @ 15,00012.6 (357)E308021L9x5#8
25FXOSMG0525 12660ABL2,500 - 19,0000.84 @ 18,0008.8 (248)89220D9x6
35AXOSMG054513100ABL2,500 - 17,0001.28 @ 16,000E-308021K10x6#8
35AXOSMG054513100ABL2,500 - 17,0001.28 @ 16,00012.8 (363)E-308021K10x6#8
46AXOSMG0547 15481ABL2,000 - 17,0001.63 @ 16,00013.2 (375)E-307040G10x6A3
55AXOSMG055615611ABL2,000 - 17,0001.68 @ 16,00014.3 (404)E-307040J#8
65AXOSMG055816521ABL2,500 - 16,0001.73 @ 16,00017.5 (497)E4010A61D12x6#8
75AXOSMG057517400ABL2,000 - 16,0002.37 @ 15,00020.4 (578)E-404061A#8
95AXOSMG058019120Ring2,000 - 16,0002.86 @ 15,00026.9 (745)E404061C14x8#8
120AXOSMG065019210Ring1,800 - 9,5003.06 @ 9,00022.8 (647)E-502070D15x10#8
120AXOSMG065119218Ring1,800 - 9,5003.06 @ 9,00022.8 (647)70D15x10#8
140RX-POSMG0678 19221Ring1,800 - 10,0003.45 @ 9,00029.3 (830)70A15x14A5
160FXOSMG0660 19260ABL1,800 - 10,0003.65 @ 9,00032.6 (925)E-501060F17x10#8
160FXOSMG0661 19268ABL1,800 - 10,0003.70 @ 9,000 32.6 (925)60F17x10#8
Ducted Fan Engines
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
46VX-DFOSMG1847 15392ABC2,500 - 28,0002.47 @ 28,00016.6 (470)40ARE
Four-Stroke Engines
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
FS-200SOSMG098035940Ring1,800 - 10,0002.86 @ 9,000 30.1 (853)F-601080N15x12F
FS-30SOSMG0830 33000Ring2,500 - 13,0000.49 @ 10,0009.8 (279)F-201020N9x6F
FS-40SOSMG0845 35220Ring2,200 - 12,0000.64 @ 12,00012.5 (355)FS-40FS-4011x6F
56FS-aOSMG095634300Ring2,400 - 13,0000.99 @ 10,00014.8 (419)F-404040NA13x6F
FS62VOSMG089830600Ring2,400 - 11,000 1.08 @ 11,00015.6 (442)F405061T12x7F
72FS-aOSMG087734720Ring2,400 - 12,5001.18 @ 11,00018.7 (530)F503061N12x7F
81FSOSMG098134810Ring2,200 - 10,0001.28 @ 11,00020.1 (570)F503060RA13x7F
81FS-aOSMG098234820Ring2,200 - 10,0001.28 @ 10,00022.0 (624)F503061R13x7F
FS95VOSMG090030900Ring2,100 - 11,0001.68 @ 10,00020.9 (592)F505060P13x7F
110FS-aOSMG099035410Ring2,000 - 11,0001.77 @ 10,00019.2 (600)F504060Y13 x 9F
110FS-a w/Pump OSMG099135420Ring2,000 - 11,0001.77 @ 10,00021.5 (610)F504061P13 x 9F
FS-120 III - POSMG0935 35540Ring2,000 - 12,0002.07 @ 12,00032.5 (920)F-502070C14x9F
FS-120S-EOSMG0930 35530Ring2,000 - 11,0001.87 @ 11,00030.5 (864)F-5020FS-12014x11F
155FS-a w/PumpOSMG099835430Ring2,000 - 10,0002.56 @ 10,00031.7 (900)F-602070R16x8F
Multi-Cylinder Four-Strokes
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
FT-160OSMG1160 36108Ring2,000 - 10,0002.00 @ 10,00038.8 (1,100)120/16018x6F
FT-300OSMG1250 36210Ring1,800 - 9,0004.00 @ 10,00064.5 (1,828)60B18x12F
FF-320OSMG1320 36410Ring1,800 - 8,5004.10 @ 8,00077.3 (2,190)FF-24018x14F
IL-300 Dia-StarOSMG133036310Ring1,800 - 8,000 82.0 (2,350) 18x12#F
FR7-420 SiriusOSMG130737010Ring1,500 - 7,000 111.7 (3,167)80T22x10F
Other Airplane Engines
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
15CV-AOSMG0715 11620ABN2,500 - 19,0000.49 @ 18,0006.0 (170)87110K7x5-6A3
BGX-1OSMG0352 19301Ring1,500 - 10,0004.04 @ 10,00047.3 (1,340)E-50108AA-RN18x8#8
49-PI Type II
.30 Wankel Rotary
OSMG140131620 2,500 - 18,0001.08 @ 17,00011.8 (335)  9x6#F
Heli Engines
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
37SZ-HOSMG194514000Ring2,000 - 21,0001.38 @ 18,00010.3 (293)20M#8
50SX-H HyperOSMG195115550Ring2,000 - 20,0001.87 @ 17,00014.3 (405)60LH#8
55HZ-H HyperOSMG195515630Ring2,000 - 17,0002.07 @ 17,00014.4 (408)40L#8
55HZ-R DRSOSMG195715650Ring2,000 - 20,000 15.1 (429)40L-R#8
70SZ-HOSMG1972 17000Ring2,000 - 18,0002.47 @ 16,00019.5 (554)60K#8
91HZOSMG197418650Ring2,000 - 16,0003.35 @ 15,00021.8 (618g)61E#8
91HZ-R 3C SpeedOSMG198018641 2,000 - 16,5003.55 @ 15,50021.2 (603)61G#8
91HZ-R 3D SpeedOSMG198118642 2,000 - 16,0003.55 @ 15,50021.3 (603)61G#8
Marine Engines
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
21XM OutboardOSMG172113940ABC3,000 - 25,0001.30 @ 25,000 E-205020J#8
46VX-MOSMG1647 15390ABC2,500 - 28,0002.47 @ 23,00015.7 (445)4AFE
Buggy/Truck Engines
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
12TGOSMG198611380ABL5,000 - 30,0000.69 @ 28,0007.5 (211)12D#8
12XZOSMG199311670ABC5,000 - 40,0001.65 @ 34,0008.3 (236)12FRP6
12XZ Speed Spec IIOSMG199111680 5,000 - 44,0001.73 @ 35,0007.8 (220)12F(B)RP6
15CV-XOSMG2034 11523ABC3,000 - 30,0000.67 @ 29,0009.3 (264)10E102
18CV-RMXOSMG161111895ABC3,000 - 32,0001.33 @ 28,000 8.2 (233)11J#8
18CV-RXOSMG2102 11881ABC3,000 - 32,0001.33 @ 28,00010.4 (296)11G203
18CV-RXOSMG2104 11880ABC3,000 - 32,0001.33 @ 28,00010.4 (296)11J203
18CV-RX (S)OSMG2105 11860ABC3,000 - 32,0001.33 @ 28,00010.4 (296)11J203
18TZ (P)OSMG211011940ABC3,000 - 34,0001.77 @ 29,0007.8 (222)11KP3
18TZ-TXOSMG211311943ABC3,000 - 34,0001.77 @ 29,0009.3 (264)11LP3
19XZ-B SpeedOSMG203511950ABC4,000 - 40,0002.27 @ 34,00012.1 (343)21J2P3
21TM RevoOSMG208212241ABC3,000 - 35,0001.77 @ 29,0008.6 (243)11KLC3
21TM T-MaxxOSMG208312240ABC3,000 - 35,0001.77 @ 29,0008.6 (243)11KLC3
21VG(P)OSMG205713644ABL3,000 - 36,0001.97 @ 30,00012.2 (347)21F#8
21VG(P)OSMG207113646ABL3,000 - 36,0001.97 @ 30,00015.3 (433)21F#8
21VZ-B V-Spec-T (P)OSMG2068 13895ABC3,000 - 40,0002.48 @ 33,00014.0 (398)21C201
21XM VII MarineOSMG172013941 3,000 - 25,0001.28 @ 25,00024.0 (682)20J#8
21XZ-BOSMG205012180ABC4,000 - 40,0002.51 @ 33,00012.5 (362)21J2P3
21XZ-B SpeedOSMG205112186ABC4,000 - 40,0002.56 @ 34,00012.5 (355)21J2(B)P3
21XZ-M Inboard MarineOSMG162113951 4,000 - 45,0002.71 @ 33,00012.3 (348)21DRP7
25XZ (P)OSMG208012520ABC4,000 - 39,0003.06 @ 33,00013.1 (370)21JP3
28XZOSMG207412830ABC4,000 - 38,0003.26 @ 32,00013.2 (375)21JP3
30VG (P)OSMG207613961ABL4,000 - 36,0002.96 @ 28,00012.7 (360)21E#8
30VG (P) ESOSMG207813966ABL4,000 - 36,0002.96 @ 28,00012.7 (360) #8
Gas Engine
DescriptionStock NumberMfg. NumberConstructionPractical RPMOutput (hp @rpm)Weight
oz (g)
MufflerCarbBreak-in PropGlow Plug
GT55 GasOSMG155538000 1,500 - 8,0005.42 @ 7,000239 (1,726)WLA-222x8CM-6



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