Credit

Original chart compiled by Marco Pinto, March, 2007.

PDF Version

Here’s a PDF version of this table, which you can save or print.

2-Stroke Engine Specifications Chart

Peninsula Channel Commanders, San Francisco, California
AMA charter Club #139
http://www.flypcc.org/

Engine Model
Displacement
cu. in. (cc)
Bore
inches (mm)
Stroke
(mm)
Power Output
HP @rpm
RPM Range
Weight
w/muffler
[w/o muffler]
Power/Weight
(hp/lbs)
IRVINE

25ABC MK II

.25 (4.08)

.65 (17.75)

.488 (16.5)

0.9

3000-20000

12.14?

 

39ABC

.36 (5.94)

.835 (21.2)

.709 (18)

1.3

3000-17000

13.0?

 

40ABC MK III

.40

.807

.768

1.2

2800-17000

18.1[13.9]

 

46ABC MK III

.46

.874

.768

1.4

28000-17000

18.0[13.8]

 

53ABC

.53

.906

.807

1.7

2800-17000

18.2[14.0]

 

54ABC LTD

61ABC MKIII

.61

.945

.866

1.7

2800-16000

24.0[17.4]

 

72ABC MK II

150 MKII Ring

1.5 (24.59)

1.299 (33)

1.134 (28.75)

2.55

1700-1200

[36.79]

 

MAGNUM

XL 15A

 

(15)

(14)

 

3000-18000

[5.8]

 

XL 25A MK2

 

(18)

(16)

 

1200-12500

[10.5]

 

XL 32A MK2

 

(19)

(23)

 

2200-13000

[11.6]

 

GPA 40A

 

(20.66)

(19.28)

 

2200-13000

[14.9]

 

XL 46A MK2

 

(22.25)

(19.28)

 

2000-12800

[14.7]

 

XL 53A MK2

 

(23.7)

(19.28)

 

2000-12800

[14.9]

 

XL 61A MK2

 

(24)

(22)

 

2000-12000

[21.5]

 

XL 91A

 

(27.5)

(26)

 

2000-12000

[23.7]

 

XL 120AR

 

(28.5)

(29)

 

1800-9000

[30.1]

 

XL 180A

 

(35)

(30)

 

1800-10000

[55]

 

OS ENGINES

OS .15 LA-S

0.152(2.49)

0.598(15.2)

0.539(13.7)

0.41@17000

2500-18000

4.56

 

OS .15 CV-A

0.152(2.49)

0.598(15.2)

0.539(13.7)

0.5 @18000

2500-19000

5.99

 

OS .25 LA-S

0.249(4.07)

0.709(18)

0.63(16)

0.6@15000

2000-16000

6.54

 

OS .25 FX

0.249

0.710

0.630

0.84@18000

2500-19000

8.8

1.52

OS .32 SX

0.319(5.2)

0.77(19.6)

0.69(17.5)

1.2@18000

2000-22000

9.5

 

OS .40 LA-S

0.396(6.49)

0.834(21.2)

0.724(18.4)

1.0@15000

2000-16000

9.43

 

OS .40 FX

0.395

0.810

0.770

1.36 @ 16000

2,000-17,000

[13.6 oz]

 

OS .40 LA-S

0.467(7.64)

0.906(23)

0.724(18.4)

1.2@15000

2000-16000

9.29

 

OS .46 AX

0.455 (7.5)

0.866(22)

0.772 (19.6)

1.65 @ 16000

2,000-17,000

17.2

1.53

OS .46 VX-DF

0.455(7.45)

0.866(22)

0.772(19.6)

2.5@23000

2500-28000

16.6

 

OS .50 SX

0.499(8.17)

0.866(22)

0.847(21.5)

1.8 @17000

2000-20000

13.8

 

OS .55 AX

0.545(9)

0.91(23)

0.85(21.5)

 

 

14.3

 

OS .61 FX

0.607

0.945

0.866

1.90 @16000

2000-17000

19.4

1.56

OS .91 FX

0.912

1.090

0.976

2.8 @15000

2000-16000

19.3

2.32

OS 1.08

OS 1.40

1.404(23)

1.26(32)

1.126(28.6)

3.5@9000

 

29.3

 

OS 1.20 AX

1.20

1.197

1.083

3.1 @9000

1800-9500

21?

 

OS 1.60 FX

1.60(26)

1.32(33.6)

1.16(29.6)

3.7 @9000

1800-10000

32.6

1.81

SUPERTIGER

G-34

0.34(5.5)

0.787(20)

0.669(17.5)

0.98 @ 16500

2500-17000

12.8[9.65]

 

GS-40 Ring

0.39(6.46)

0.846(21.5)

0.701(17.8)

1.15 @15500

3000-17000

19.1[13.1]

 

GS-45 ABC

0.46(7.5)

0.860(21.85)

0.787(20)

1.45 @16000

2500-16000

18.5[13.2]

 

G-51 Ring

0.51(8.3)

0.905(23)

0.787(20)

1.48 @15500

2500-15500

18.4[12.7]

 

G-61 Ring

0.61(9.95)

0.945(24)

0.866(22)

1.75 @16000

2500-16500

26.8[20]

 

G-61 ABC

0.61(9.95)

0.945(24)

0.866(22)

1.75 @16000

2500-16500

26.7[20]

 

G-75 Ring

0.75(12.21)

1.024(26)

0.906(23)

2.18 @15600

2500-16000

27[20.6]

 

G-90 Ring

0.90(14.73)

1.083(27.5)

0.976(24.8)

2.5 @148000

2500-16000

27[20.7]

 

G-2300

1.418(23.31)

1.28(32.5)

1.102(28)

3.7 @12600

 

38[31]

 

THUNDER TIGER

PRO-36

0.365(5.98)

0.819(20.8)

0.693(17.6)

1.1 @16000

2000-17000

11.06

 

PRO-40

0.398(6.52)

0.823(20.9)

0.748(19)

1.22 @16000

2000-17000

16.03

 

PRO-46

0.456(7.47)

0.858(21.8)

0.787(20)

1.43 @16000

2000-17000

16.05

 

PRO-61

0.609(9.98)

0.925(23.5)

0.906(23)

1.85 @15000

2000-16000

26.75

 

PRO-91

0.913(14.96)

1.102(28)

0.957(24.3)

2.75 @15000

2000-16000

19.83

 

PRO-120 SE

1.267(20.76)

1.22(31)

1.083(27.5)

3.2 @15000

1800-15000

35.5

 

PRO-120 RE

1.267(20.76)

1.22(31)

1.083(27.5)

3.5 @15000

1800-15000

27.51

 

Last revised: 3-10-07