Engine Specifications


Discontinued Engines

Heli Engines
Description Stock Number Mfg. Number Construction Displacement (cu in) Bore (in) Stroke (in) Output (hp @ rpm) Practical RPM Dimensions
Legend
Weight w/o Muffler Muffler Carb Break-in Prop Propellers Glow Plugs
A B C D E F G H J S
105HZOSMG196018700 1.0481.1421.0243.7 @ 15,0002,000 - 16,5002.030.983.222.38 2.21.68 3.08UNF5/16-2421.03E-405161E#8
105HZ-R DSROSMG196118750 1.0481.1421.0243.7 @ 15,0002,000 - 16,5002.030.983.222.38 2.21.68 3.08UNF5/16-2421.4661G#8
50SX-H HyperOSMG195115550Ring0.4990.8660.8471.87 @ 17,0002,000 - 20,0001.720.683.342.033.62.371.42.042.89UNF1/4-2814.360LH#8
55HZ-H HyperOSMG195515630Ring0.550.910.852.07 @ 17,0002,000 - 17,0001.720.682.992.033.552.011.42.012.83UNF1/4-2814.440L#8
55HZ-R DRSOSMG195715650Ring0.550.910.85 2,000 - 20,0001.720.682.992.033.552.011.41.672.83UNF1/4-2815.140L-R#8
Airplane Engines - 2-Stroke
15LAOSMG001611532ABN0.15170.5980.5390.40 @ 17,0002,500 - 18,0001.290.562.21.562.381.540.971.21.89M54.987110G8x47x5-6, 8x4-5A3
25FXOSMG0525 12660ABL0.24850.7080.630.84 @ 18,0002,500 - 19,0001.480.592.951.792.942.071.17 2.34UNF1/4-288.889220D9x69x5-6
35AXOSMG054513100ABL0.3520.7950.7091.28 @ 16,0002,500 - 17,0001.480.592.941.763.022.071.191.772.4UNF1/4-2812.8E-308021K10x610x6-7, 11x6, 12x6#8
46AXIIOSMG054815490ABL0.4550.8660.7721.67 @ 16,0002,000 - 17,0001.720.683.31.993.332.361.372.012.63UNF5/16-2413.3E-307140K10x610.5x6, 11x6-8, 12x6-7A3
55AXOSMG055715612ABL0.5450.910.851.68 @ 16,0002,000 - 17,0001.720.683.331.993.552.361.42.032.83UNF1/4-2814.29E-307140K11x6, 11x7, 12x6, 12x7, 13x6#8
65AXOSMG055816521ABL0.650.950.931.73 @ 16,0002,500 - 16,0002.030.983.642.343.882.61.562.113.06UNF5/16-2417.5E4010A61D12x612x6, 13x6-7, 14x6#8
75AXOSMG057517400ABL0.751.020.932.37 @ 15,0002,000 - 16,0002.030.983.692.384.032.61.662.113.18UNF5/16-2420.4E-404061A14x6, 14x8, 15x7#8
95AXOSMG058019120Ring0.9491.0911.0162.86 @ 15,0002,000 - 16,0002.030.983.692.384.032.61.662.113.17UNF5/16-2426.9E404061C14x814x8, 15x6-8, 16x6-8#8
120AXOSMG065019210Ring1.2181.1971.0833.06 @ 9,0001,800 - 9,5002.260.983.912.614.252.721.812.243.34UNF5/16-2422.8E-502070D15x1015x10-12, 16x8-10#8
120AXOSMG065119218Ring1.2181.1971.0833.06 @ 9,0001,800 - 9,5002.260.983.912.614.252.721.812.243.34UNF5/16-2422.870D15x1015x10-12, 16x8-10#8
Airplane Engines - 4-Stroke
56FS-aOSMG095634300Ring0.5690.9450.8110.99 @ 10,0002,400 - 13,0001.720.683.991.993.972.31.331.963.28UNF1/4-2814.8F-404040NA13x613x6, 12x6-8#F
FS62VOSMG089830600Ring0.6170.980.81 1.08 @ 11,0002,400 - 11,0001.720.684.011.994.12.341.3323.41UNF1/4-2815.6F405061T12x712x7-8, 13x6#F
72FS-aOSMG087734720Ring0.721.0630.8221.18 @ 11,0002,400 - 12,5001.760.784.042.114.212.321.41.933.51UNF1/4-2818.7F503061N12x712x7, 13x6-8, 14x6-7#F
FS95VOSMG090030900Ring0.9511.1420.9291.68 @ 10,0002,100 - 11,0002.030.984.512.384.642.591.662.113.8UNF5/16-2420.9F505060P13x713x7-9, 14x6-8#F
FS-120 III - POSMG0935 35540Ring1.21.21.082.07 @ 12,0002,000 - 12,0002.260.985.252.615.4431.792.524.52UNF5/16-2432.5F-502070N14x914x9-11, 15x8-10, 16x6#F
155FS-a w/PumpOSMG099835430Ring1.5481.3231.1262.56 @ 10,0002,000 - 10,0002.260.984.972.615.4131.832.524.45UNF5/16-2431.7F-602070R16x816x8-12, 17x8-12#F
FT-160OSMG1160 36108Ring0.809 x 21.090.8662.00 @ 10,0002,000 - 10,0002.652.110.927.644.681.972.482.11 UNF5/16-2438.8120/16018x615x8, 16x6, 18x6-8, 20x6#F
FF-320OSMG1320 36410Ring0.809 x 41.0910.8664.10 @ 8,0001,800 - 8,5002.650.920.927.647.084.394.892.962.42UNF5/16-2477.3FF-24018x1418x10-13, 20x8-11, 22x8#F
FR7-420 SiriusOSMG130737010Ring0.607 x 70.9440.866 1,500 - 7,0004.76  8.976.18    UNF3/8-24111.780T22x1022x10-12, 23x8-12, 24x8-12#F
Airplane Engines - Gas
GF40OSMG080039400 2.441.581.253.75 @ 8,6001,800 - 9,000  6.113.266.133.07  4.94UNF5/16-2441.27F-6040WT-107018x818x8-12, 19x8-10, 20x8-10CM-6
GGT10OSMG15103A400 0.610.9450.8461.58 @ 10,0002,000 - 11,0001.70.69 23.52.71.4 2.8UNF 1/4-2815.97E-307161HB 12x7-9, 13x6-8G5
GGT15OSMG15133A200 0.9121.0910.9762.32 @ 15,0002,000 - 11,0002.040.98 2.4 2.61.7  UNF 5/16-2421.5E-405161H 13x8-11, 14x8-10, 15x6-8G5
GT15OSMG1515 38160 0.911.0910.9782.37 @ 15,0002,000 - 15,0002.40.984.22.4  1.7  UNF5/16-2425.61E-404061H 13x8-11, 14x8-10, 15x8CM-6
GT22OSMG152238200 1.351.261.082.66 @ 9,0001,800 - 9,0002.340.985.442.734.822.671.93 3.61UNF5/16-2426.86E-5040WT105415x1016x8, 16x10, 17x6, 17x8CM-6
GT33OSMG153338300 2.0131.4171.2763.85 @ 9,0001,800 - 8,0002.732.116.09  3.3  4.11UNF5/16-2434.72E-5030Walbro18x818x10-12, 19x10, 20x8-10CM-6
GT60OSMG156038608 3.6561.7321.5516.00 @ 7,0001,600 - 8,000   3.8    5.2UNF5/16-2449.38E-6020Walbro23x822x10-12, 23x8-10, 24x8-10CM-6
GT60OSMG156138600 3.6561.7321.5516.00 @ 7,0001,600 - 8,000   3.8    5.2UNF5/16-2449.38E-6020Walbro23x822x10-12, 23x8-10, 24x8-10CM-6
Car/Buggy Engines
18TZ-TXOSMG211311943ABC0.180.630.591.77 @ 29,0003,000 - 34,0001.220.433.121.523.591.60.991.383.1M59.311LP3
21TM RevoOSMG208212241ABC0.210.6690.591.77 @ 29,0003,000 - 35,0001.220.432.091.523.951.60.981.383.33M7x18.611KLC3
21TM T-MaxxOSMG208312240ABC0.210.6690.591.77 @ 29,0003,000 - 35,0001.220.432.091.523.951.60.981.383.33M7x18.611KLC3
21XZ-B V2 ABCOSMG205312183ABC0.2130.6410.6612.70 @ 34,0003,000 - 41,5001.450.832.51.8 1.7  3.4 12.7722B2P3
28XZOSMG207412830ABC0.2840.7280.6813.26 @ 32,0004,000 - 38,0001.440.822.561.764.361.721.231.313.74UNF1/4-2813.221JP3
30VG (P) ESOSMG207813966ABL0.2980.7280.7172.96 @ 28,0004,000 - 36,0001.440.823.11.764.411.721.21.313.81UNF1/4-2812.7 #8
Speed 21XZ-B Spec IIIOSMG20601AN00 0.2130.6410.6612.65 @ 34,0004,000 - 42,0001.450.832.51.8 1.71.2 3.4UNF1/4-2812.4521JP3
Speed 21XZ-GTOSMG20621AS00 0.2130.6410.6612.65 @ 34,0004,000 - 42,0001.450.832.51.8 1.71.2 3.2UNF1/4-2812.4521JP3
Speed R2102OSMG20481A100 0.2130.6330.6772.76 @ 33,0004,000 - 45,0001.450.832.51.8 1.7  2.9UNF1/4-2811.9921M2(B)T-RP7
Speed T1202 1/10 TouringOSMG19961AP00 0.1280.5380.561.73 @ 35,0005,000 - 45,0001.20.432.11.5 1.4  2.6UNF1/4-287.5812FRP6
Marine Engines
21XM II MarineOSMG172013941 0.210.6540.631.28 @ 25,0003,000 - 25,0001.50.98       M52420J#8

Single Cylinder Dimension Lineart FR5-300 Flat-Four cylinder Twin Cylinder
Diamond Radial


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