Engine Crankcase and Shaft Thread
Measurement Chart
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|
Engine Description |
Crank Case Size |
Shaft Thread Size |
|---|---|---|
|
.12 ABC (all versions) |
0.95" |
5 mm |
|
.25 ABC |
1.14" |
1/4" |
|
.32 ABC (all versions) |
1.26" |
1/4" |
|
.40S ABC |
1.26" |
1/4" |
|
.46 ABC (all versions) |
1.26" |
1/4" |
|
.61 ABC (all versions) |
1.63" |
5/16" |
|
.75 ABC |
1.63" |
5/16" |
|
.91 & 1.08 ABC |
1.85" |
5/16" |
|
.65 4-stroke |
1.62" |
5/16" |
|
.80 4-stroke |
1.66" |
5/16" |
|
.010 |
N/A |
2-56 |
|
.020 (all models) |
N/A |
3-48 |
|
..049, .051 (all models) |
0.63" |
5-40 |
|
.0.74 Queen Bee |
0.75" |
6-32? |
|
.09 (all models) |
0.75" |
6-32 |
|
.09 - .11 (2-cycle) |
N/A |
1/4" |
|
.15 (2-cycle) |
N/A |
6 x 1mm |
|
.19 - .21 (2-cycle) |
N/A |
1/4 - 28 |
|
.29 - .60 (2-cycle non sport) |
N/A |
7 x 1 mm |
|
.25 - .45 (2-cycle sport series) |
N/A |
1/4 - 28 |
|
.46 - .80 (4-cycle) |
N/A |
7 x 1 mm |
|
.90 - 1.20 (4-cycle) |
N/A |
8 x 1.25 mm |
|
.61 ABC (both versions) |
1.62" |
1/4" |
|
.15 RC BB and C/L |
1.05 |
10-32 |
|
.19 RC and C/L |
1.12" |
1/4" |
|
.25 RC and C/L |
1.13" |
1/4" |
|
.35 C/L |
1.22" |
1/4" |
|
.40 RC and CL |
1.26" |
1/4" |
|
.60 Eagle (all versions) |
1.70" |
5/16" |
|
.74 Eagle (all versions) |
1.70" |
5/16" |
|
.50 RC BB, .45 RC and .40 Quickie |
1.42" |
1/4" |
|
.12 - .15 (all models) |
N/A |
5 x 0.8 mm |
|
.20 - .61 (all models) |
N/A |
1/4 - 28 |
|
VT .21 4-stroke |
1.30" |
1/4" |
|
VT .49 4-stroke |
1.67" |
6 mm |
|
.40 FRT Gold Cup 2-stroke & Silver Star |
1.26" |
1/4" |
|
.61 FRT Gold Cup 2-stroke & Silver Star |
1.54" |
1/4" |
|
1.2 Gold Cup Twin |
1.54" |
8 mm |
|
.20 Blackhead (RC and C/L) |
1.16" |
1/4" |
|
.25 Blackhead and Schnuele |
1.16" |
1/4" |
|
.20 RC ABC Diesel |
1.16" |
1/4" |
|
.20 RC Schnuerle (all versions) |
1.16" |
1/4" |
|
.21-R BB ABC Car |
1.16" |
1/4" |
|
.21 -R RC BB Schnuerle M RE EX |
1.16" |
1/4" |
|
.21 R C/L BB ABC Schnuerle RE EX |
1.16" |
1/4" |
|
.30 Schnuerle (RC and C/L) |
1.36" |
1/4" |
|
.40 Schnuerle (all versions) |
1.36" |
1/4" |
|
.40 RC BB Diesel |
1.36" |
1/4" |
|
.61 RC Schnuerle (all versions) |
1.54" |
1/4" |
|
120 RC BB |
2.0" |
3/8" |
|
Mills .75cc Diesel |
0.88" |
3mm |
|
Q 40 BB ABC |
1.36" |
1/4" |
|
SP 40 ABC |
1.36" |
1/4" |
|
.15 RC and C/L Conquest |
1.12" |
10-32 |
|
.20 RC Sportster |
1.19" |
1/4" |
|
3.5cc RC Schnuerle Marine |
1.18" |
1/4" |
|
.28 Sportster |
1.18" |
1/4" |
|
.40 RC & Marine |
1.34" |
1/4" |
|
.45 RC Sportster |
1.44" |
1/4" |
|
7.5cc RC BB Outboard |
1.39" |
N/A |
|
7.5cc Marine & Ducted Fan |
1.31" |
1/4" |
|
.61 RC BB |
1.52" |
1/4" |
|
.65 RC Sportster |
1.61" |
1/4" |
|
.67 RC BB Schnuerle ABC Outboard |
1.75" |
N/A |
|
.82 Ducted Fan and Marine |
1.75" |
1/4" |
|
1.00 (both versions) |
1.75" |
3/8" |
|
GP .10 |
0.91" |
5 mm |
|
GP .15 |
0.95" |
7/32" |
|
GP .25 |
1.06" |
1/4" |
|
GP .40 |
1.26" |
1/4" |
|
GP .65 SE |
1.67" |
5/16" |
|
Pro .25 |
1.18" |
1/4" |
|
Pro .36 SE |
1.22" |
1/4" |
|
Pro .40 & .46 SE |
1.34" |
1/4" |
|
Pro .61 SE |
1.65" |
5/16" |
|
XL40, XL46, XL53 |
1.34" |
1/4" |
|
XL15 |
0.94" |
5 mm |
|
GPA .40, GPA .46 |
1.34" |
1/4" |
|
.35 - .60 (all models) |
N/A |
1/4 - 28 |
|
.51 RC |
1.42" |
6 mm |
|
.61 Long Stroke (all versions) |
1.65" |
1/4" |
|
1.5 and 1.8 RC |
2.2" |
10 mm |
|
3.6 RC Twin (requires special mount) |
N/A |
10 mm |
|
.15 (all versions) |
1.14" |
6 mm |
|
.21 (all versions) |
1.26" |
6 mm |
|
.40 GFS/R & Q500 |
1.38" |
6 mm |
|
.40 GRRT Pylon |
1.30" |
7 mm |
|
.49 GRR C/L |
1.34" |
7 mm |
|
.61 (all versions) |
1.61" |
6 mm |
|
.77 RC |
1.61" |
6 mm |
|
.10 FP (all versions) |
0.91" |
5 mm |
|
.12 CV & .12 CZ (all versions) |
0.94" |
5 mm |
|
.15 FP (all versions) |
0.98" |
7/32" |
|
.20 FP & .25 FP (all versions) |
1.10" |
1/4" |
|
.21 SE-B & .21 SE-M |
1.14" |
1/4" |
|
.21 SE-R |
1.18" |
1/4" |
|
.21 RF-B & RG-B (all versions) |
1.19" |
1/4" |
|
.21 RX & .21 RZ (all versions) |
1.17" |
1/4" |
|
.25 FX |
1.18" |
1/4" |
|
.25 VF & .25 VR DF |
1.19" |
1/4" |
|
.30 Wankel |
N/A |
1/4" |
|
.32 F |
1.14" |
1/4" |
|
.32 F-H & .32 SX-H |
1.19" |
1/4" |
|
.35 & .40 FP (all versions) |
1.26" |
1/4" |
|
.40 & .46 SF (all versions), .40 & .46 FX |
1.36" |
1/4" |
|
.46 VF & VF-P |
1.37" |
1/4" |
|
.46 VR-M & VR-DF |
1.38" |
1/4" |
|
.60 FP, .61 SF, RF, SX & RX (all versions) |
1.68" |
5/16 |
|
.61 & .65 VR-M |
1.69" |
5/16" |
|
.61 SFN-H & RFN-H RC (all versions) |
1.68" |
1/4" |
|
.81 VR-M |
1.71" |
5/16" |
|
.91 VR-DF |
1.70" |
5/16" |
|
1.08 FSR |
1.89" |
3/8" |
|
BGX-1 3500 |
2.38" |
3/8" |
|
FS-26 Surpass |
1.14" |
1/4" |
|
FS-40 Surpass |
1.28" |
1/4" |
|
FS-48 Surpass |
1.34" |
1/4" |
|
FS-52 Surpass |
1.33" |
1/4" |
|
FS-70 Surpass |
1.69" |
5/16" |
|
FS-91 Surpass |
1.68" |
5/16" |
|
FS-120 Surpass II |
1.85" |
5/16" |
|
FT-120 II |
N/A |
5/16" |
|
FT-160 |
N/A |
5/16" |
|
FT-240 |
N/A |
3/8" |
|
FT-300 |
N/A |
3/8" |
|
FR-300 |
N/A |
3/8" |
|
.21- .45 (all models) |
N/A |
1/4" |
|
.60 (all versions) |
N/A |
8 x 1.25 mm |
|
Q-35, Q-42, Q-52 |
N/A |
5/16" |
|
K .61 |
1.52" |
5/16" |
|
Conquest .15 RC |
1.19" |
10-32 |
|
.21 (all versions) |
N/A |
1/4" |
|
.40 - .90 (all models) |
N/A |
8 x 1.25 mm |
|
.21 RC Car |
1.13" |
1/4" |
|
.25 & .28 RC BB ABC |
1.19" |
1/4" |
|
.40 RC ABC Schnuerle & .45 BB |
1.27" |
1/4" |
|
.45 RC Heli |
1.28" |
1/4" |
|
.46 RC BB Schnuerle ABC |
1.38" |
1/4" |
|
FA-50, FA-50 Golden Knight |
32 mm |
7 x 1 mm |
|
FA-65, FA-80, FA-91S (all versions) |
40 mm |
7 x 1 mm |
|
FA-120S, FA-150 (all versions) |
45 mm |
8 x 1.25 mm |
|
FA-60 Twin, FA-100 Twin |
N/A |
7 x 1 mm |
|
FA-130 Twin, FA-192 Twin, FA325 5-cyl |
N/A |
8 x 1.25 mm |
|
FA-300 Twin, FA-300 TD Twin, FA-450 3-cyl |
N/A |
10 x 1.25 mm |
|
S-2500, 2-2000 |
2.13" |
10 mm |
|
60 cc inl-line twin (requires special mount) |
N/A |
10 mm |
|
G-34 |
1.18" |
1/4" |
|
G-40, GS-40, 65-45 & G-51 |
1.34" |
1/4" |
|
S-25 K & S-29 K |
1.14" |
1/4" |
|
S-40 K & S-45 K |
1.34" |
1/4" |
|
S-61K, S-75 K & G-75, S-90 K & G-90 |
1.65" |
5/16" |
|
S-3000 K |
2.13" |
10 mm |
|
X-61 K ABC RE |
1.63" |
5/16" |
|
G-4500 |
2.44" |
10 mm |
|
.10 and .15 (all models) |
N/A |
5 x 0.8 mm |
|
.21 - .46 (all models) |
N/A |
1/4" |
|
.61 - .65 (all models) |
N/A |
5/16" |
|
.91 (4-cycle) |
N/A |
5/16" |
|
.09 |
N/A |
5 mm |
|
.20 - .61 (all models) |
N/A |
1/4" |
|
.80 - .90 (all models) |
N/A |
8 x 1.25 mm |
|
.45 FS & FR ABC RC |
1.41" |
8 mm |
|
.61 FS & FR Heli RC |
1.57" |
5/16" |
|
.61 Long Stroke - Side & Rear exhaust |
1.63" |
8 mm |
|
.91 AC 4-stroke (all versions) |
1.69" |
8 mm |
|
1.20 4-stroke (all versions) |
1.85" |
8 mm |