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Engine Dimensions - Metric


Single Cylinder Dimension Lineart
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Dimensions are in millimeters. Click here for Standard (inches).

Two-Stroke Engines for Fixed Wing R/C Aircraft
 ABCDEFGHJS
.10 FP, .10 FP-S31.411543858.238.72333.245.2M5
.10 LA31.41154385638.72333.245.2M5
.15 CV-A3314.463.7406139.524.830.848.5M5
.15 FP, .15 FP-S3314.456.54063.239.524.830.850.27/32-32
.15 LA, .15 LA-S3314.456.5406139.524.830.848.5M5
.20 FP, .20 FP-S361466.54574.546.52939.5601/4-28
.25 AX381575.54575.15330.645.559.2UNF1/4-28
.25 FP, .25 FP-S361466.54574.546.52939.5601/4-28
.25 FX381575.64675.5533045.5601/4-28
.25 LA, .25 LA-S361467.54474.546.52939601/4-28
.25 LA-S371587.14874.4 28  1/4-28
.30 Wankel Rotary  60.565.758.3    1/4-28
.32 SX381575.545735330.345.5601/4-28
.35 AX381575.54577.45330.645.561.5UNF1/4-28
.35 FP, .35 FP-S, .40 FP, .40 FP-S40.517.574.24882.251.23242.5661/4-28
.40 LA, .46 LA, .40 LA-S, .46 LA-S40.517.574.5488551.23242.5691/4-28
.46 AX4417.585.25185.260.435 67.41/4-28
.46 FX, .40 FX4417.585518860.53552701/4-28
.46 VX-DF RC44 116 91 35  1/4-28
.50 SX4417.585.75288.860.736 70.51/4-28
.55 AX4417.585.35190.560.43652721/4-28
.60 FP52259261102644251.5815/16-24
.61 FX522595.661100.566.54354795/16-24
.65 AX522593.36099.566.64054.178.5UNF5/16-24
.65 LA5225646285.46442 85.45/16-24
.65 VR-DF5225133.561101.76643.453.579.75/16-24
.75 AX522594.561103.466.642.654.181.4UNF5/16-24
.91 FX5225966110366.542.65481.55/16-24
.91 VR-DF5225133.561109.56643.553.587.55/16-24
.91 VR-DF (small head)5225133.561103.56643.553.581.35/16-24
.95 AX522594.561103.466.642.654.181.3UNF5/16-24
1.08 FSR583010870119754860953/8-24
1.20 AX 5825100.267109.269.846.5 85.75/16-24
1.40 RX, 1.40 RX-FI582510570118.47848.4 93.95/16-24
1.60 FX, 1.60 FX-FI6430115.574123.28051.5 96.73/8-24
BGX-17432129.585142.59960.5831113/8-24
Single Cylinder Four-Stroke Engines
 ABCDEFGHJS
110FS-a5225114.561125.466.542.654103.8UNF5/16-24
155FS-a w/Pump5825127.667138.6774764.5114UNF5/16-24
56FS-a4417.5102.351101.7593449.384UNF1/4-28
72FS-a4520103.65410859.53649.590UNF1/4-28
81FS502111257117.5664055.597UNF5/16-24
81FS-a502111257117.5664055.597UNF5/16-24
FL-70452010354107.559.535.449.589.51/4-28
FS-120S III5825134.567139.5774664.51165/16-24
FS-120S-E582510467138.5774664.51155/16-24
FS-120S-SP582515767139774664.51155/16-24
FS-200S582513667145774864.5119UNF5/16-24
FS-263614844486.548.52940701/4-28
FS-3036141124486.57529 71.51/4-28
FS-404217.577.549985732.548.180.51/4-28
FS-52S, FS-52S Heli4417.580.551101593449.383.51/4-28
FS62V4417.5102.851105.16034.151.387.5UNF1/4-28
FS-7050218959116.5664055.5965/16-24
FS-70 II502111158116.766.339.655.896.45/16-24
FS-70 Ultimate-P4520109.754105.459.535.449.587.41/4-28
FS-91522591.56012166.542.654995/16-24
FS-91 II, FS-91 II FI5225114.56012366.542.6541015/16-24
FS-91S II-P522591.56012366.542.6541015/16-24
FS95V5225115.76111966.542.65497.5UNF5/16-24
Helicopter Engines
 ABCDEFGHJS
.32 SX-H, .32 SX-HX38157545765330.345.560.61/4-28
.32 SX-MX3815127.44582.585.730.6 58 
.37 SZ-H381567.24576.84630.6 611/4-28
.46 FX-H4417.584.2518860.53552701/4-28
.50 SX-H4417.585.852896136 70.51/4-28
.50 SX-H Hyper4417.585.8528961367470.51/4-28
.55 HZ-H Hyper4417.576.65290.951.63642.8572.6UNF1/4-28
.55 HZ-Hyper4417.576.65290.951.63642.8572.6UNF1/4-28
.55 HZ-R DRS4417.576.65290.951.63642.8572.6UNF1/4-28
.61 LX-H5225 61 88.742.6 795/16-24
.61 RX-H WC52259361100.56542.652.5795/16-24
.61 RX-HG WC522580.561100.552.543.640791/4-28
.61 SX-H WC52259361100.56542.652.5795/16-24
.61 SX-HG WC522580.561100.552.543.640791/4-28
.70 SZ-H522581.3619955.342.6 77.55/16-24
.91 HZ52259861102.754.44342.981.2UNF5/16-24
.91 HZ F3C522592.561102.756.44343.981.2UNF5/16-24
.91 HZ-PS 3D52259861102.756.44343.981.2UNF5/16-24
.91 HZ-R 3C52259861102.754.44342.981.2UNF5/16-24
.91 HZ-R 3D52259861102.754.44342.981.2UNF5/16-24
.91 HZ-R 3D52259861102.754.44342.981.2UNF5/16-24
.91 SX-H 2582 109 42.6   
.91 SX-H C-Spec522583.461  42.6 87.45/16-24
.91 SX-H C-Spec-P5225109.461 56.442.6 87.45/16-24
.91 SZ-H 522583.861 56.442.6 87.45/16-24
.91 SZ-H PH-Hyper522597.561119.264.44351.987.45/16-24
FS-52S Heli4417.580.551101593449.383.51/4-28
Marine Engines
 ABCDEFGHJS
.10 FP-M31.411 3864 23 51.51/4-28
.10 FP-MX31.411 3872   51.51/4-28
.18 CV-R-M31.4115639 4125 50.5M5x0.8
.20 FP-M3614 4576 29 61.51/4-28
.21 RZ-M3721 4574.7 29.6 59.71/4-28
.21 VZ-M3721654589.14430.8 73.81/4-28
.21 XZ-M Inboard372165.64581.754431.633.566.15UNF1/4-28
.32 F-MX3815 4587   631/4-28
.46 VX-M4521 5387 37 681/4-28
.61 VR-M, .65 VR-M5225 61104.3 43 84.35/16-24
.81 VR-M5225 61105.5 43.4 84.15/16-24
Car & Buggy Engines
 ABCDEFGHJS
.10 FP-B31.41154386738.72333.255M5
.10 FP-BX31.41172.7386738.7 33.255M5
.12 CV31.41158.63987.2412535.574.4M5
.12 CV31.41158.64090.2412535.570.7M5
.12 CV-R31.411703983.74125 70.9M5
.12 CV-RX31.41188.84090.94125 70.9M5
.12 CV-X31.41174.83987.241 35.574.4M5
.12 TG31.41158.43989.540.925.435.477M5
.12 TG-P31.41152.43989.534.925.429.477UNF1/4-28
.12 TR (P), .12 TR (P)-T31.41152.53984.4   71.6M5
.12 TR, .12 TR R-Spec31.41158.53985   71.6M5
.12 TZ (P) T3 Speed Tuned31.41152.4398734.925.429.474.51/4-28
.12 TZ (P)-T3 ABC31.41149.939 34.825.4 77.21/4-28
.12 TZ (P)-T5 ABC31.41149.939 34.825.4 77.21/4-28
.12 TZ (S)-T3 ABC31.41149.939 34.825.4 77.2M5x0.8
.12 TZ-T3 ABC 31.41155.939 40.825.4 77.2M5x0.8
.12 XZ31.41152.43990.134.925.429.476.6UNF1/4-28
.15 CV31.41158.63990.24125 70.7M5
.15 CV-M31.41158.54065     
.15 CV-MX31.411914065     
.15 CV-R31.411563983.94125 71.1M5
.15 CV-RX31.41174.84091.14125 71.1M5
.15 CV-X31.41174.53990.24125 70.7M5
.15 RX3721604587.341.5293172.51/4-28
.18 CV-R31.4115639100.94125 80.9M5
.18 CV-R (P)31.41149.939100.94125 80.9M5
.18 CV-RX31.41174.840100.94125 80.9M5
.18 TM31.41153.639 34.825.4 81.2M7x1
.18 TZ (P)31.41149.939 34.825.4 81.21/4-28
.18 TZ Turbo31.41155.939 40.825.4 81.2M5x0.8
.18 TZ(S) Turbo31.41149.939 34.825.4 81.2M5x0.8
.18 TZ-TX31.41175.339 40.825.4 81.2M5x0.8
.21 RG, .21 RG (P)372165.64595.84429.633.580.71/4-28
.21 RG-B, .21 RG-B (P)372165.64595.84429.633.580.71/4-28
.21 RG-M372188.54574.56729.6 59.51/4-28
.21 RG-MX37211074574.56729.6 59.51/4-28
.21 RG-X (P)3721844595.84429.633.580.71/4-28
.21 RZ-B, .21 RZ-B (P)372179451014429.633.5861/4-28
.21 RZ-R (P)372165.54596.34429.633.581.51/4-28
.21 RZ-V99B, .21 RZ-V99B (P)372165.6451014430.633.5861/4-28
.21 TM Revo31.41153.639101.3412535.585.3M7x1
.21 TM T-Maxx31.41153.639101.3412535.585.3M7x1
.21 VG372165.645102.74430.833.587.41/4-28
.21 VG (P)372165.645102.74430.833.587.4UNF1/4-28
.21 VG (P) ES372165.645102.74430.833.587.41/4-28
.21 VZB V-Spec372164.945110.64430.833.595.31/4-28
.21 VZB V-Spec372164.945110.644.330.833.895.31/4-28
.21 VZ-B V-Spec372164.945110.64430.833.595.3UNF1/4-28
.21 VZ-B V-Spec II372164.945110.64430.833.595.3UNF1/4-28
.21 VZ-B V-Spec-T (P)372164.945110.643.930.833.895.31/4-28
.21 VZ-R, .21 VZ-R Turbo II372164.9459943.930.8 83.71/4-28
.21 XZ-B372165.645101.94431.633.586.3UNF1/4-28
.21 XZ-R372165.645102.44431.633.586.8UNF1/4-28
.25 XZ (P)372165.645109.24431.633.593.6UNF1/4-28
.28 XZ372165.645111.94431.633.595.9UNF1/4-28
.30 VG (P)372165.645 4430.8 97.71/4-28
.30 VG (P) ES372165.6451134430.833.597.71/4-28
.30 VG (P) SR Savage372165.345 4430.8 97.71/4-28
.30 VG (P)-X372182.545 4430.8 97.71/4-28
FS-26S-C361457.84384.639.82932.870.41/4-28
FS-26S-C II361457.84385.439.8  70.91/4-28


FR5-300 Flat-Four cylinder Twin Cylinder
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Twin & Multi-Cylinder Four-Stroke Engines
 ABCDEFGHJS
FR5-300122  234158.5    3/8-24
FR7-420 Sirius122  230158.5    UNF3/8-24
FF-3206856.523.5196181.5112.5125.576625/16-24
FT-300905535240148628056103/8-24
FT-1606856.523.519612050.563.554 5/16-24
FT-120II6856.523.519612050.563.554 5/16-24
IL-300 Dia-Star764050116234.317311348.6403/8-24

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