Engine Crankcase and Shaft Thread

Measurement Chart

           

Manufacturers Index

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ASP

Cox

Enya

Fitzpatrick

Fox

HB

HP

Irvine

K&B

Magnum

Merco

Moki

MVV

O.S.

Picco

Quadra

RJL

Rossi

Royal

Saito

SuperTigre

T. Tiger

Webra

Y.S.

 

Engine Description

Crank Case Size

Shaft Thread Size

ASP

.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"

Cox

.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

Enya

.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

Fitzpatrick

.61 ABC (both versions)

1.62"

1/4"

Fox

.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"

HB

.12 - .15 (all models)

N/A

5 x 0.8 mm

.20 - .61 (all models)

N/A

1/4 - 28

HP

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

Irvine

.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"

K&B

.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"

Magnum

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"

Merco

.35 - .60 (all models)

N/A

1/4 - 28

Moki

.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

MVV

.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

O.S.

.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"

Picco

.21- .45 (all models)

N/A

1/4"

.60 (all versions)

N/A

8 x 1.25 mm

Quadra

Q-35, Q-42, Q-52

N/A

5/16"

RJL

K .61

1.52"

5/16"

Conquest .15 RC

1.19"

10-32

Rossi

.21 (all versions)

N/A

1/4"

.40 - .90 (all models)

N/A

8 x 1.25 mm

Royal

.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"

Saito

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

SuperTigre

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

Thunder Tiger

.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"

Webra

.09

N/A

5 mm

.20 - .61 (all models)

N/A

1/4"

.80 - .90 (all models)

N/A

8 x 1.25 mm

Y.S.

.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