Model Engine Company of America
10-13-2022
REPLACEMENT MUFFLERS

Lots of engines today have very similar spacing on the muffler screw patterns.
All mufflers include screws and pressure taps.
A great value compared to some of our high cost competitors... and they're made here in the USA.

Replacement muffler for:
(engine model / size)

Late Style similar to the OS P-Box

Made in USA by MECOA

MECOA 40-46, OS 40-46 SF, FX & SX, Royal 40-46, Thunder Tiger 40-46 and others

 

3 mm Threaded holes
spaced 1.457" (37mm)

 

Standard Muffler with internal Baffle

MECOA 40-46, OS 40-46 SF, FX & SX, Royal 40-46, Thunder Tiger 40-46 and others

3 mm Threaded holes
spaced 1.457" (37mm)
OS .61 SF, MECOA .61, Mutunuc .61, Magnum (Taiwan) .61 & Thunder Tiger .61

4 mm Thread
spaced 1.654" (42mm)

  MECOA Wildcat .28, OS SF.25 & FX .25, Royal .25/.28, Thunder Tiger Pro.25 and others...

3 mm Thread
spaced 1.378" (35mm)

 

K&B .18 MECOA Wildcat .15, OS FP.10/.15, CZ .12 etc. & Royal .15, Thunder Tiger .15, Magnum .15 and others...

3 mm thread
spaced 1.083" (27.5mm)

Aftermarket
OS FSR .61 744 copy
Made in USA by MECOA
(part no. 930-061)

.172Ø thru holes spaced 1.338" (34mm)

 
KAVAN UNIVERSAL MUFFLER & ADAPTERS

Kavan universal strap-on muffler for older engines.

Now you can put that old engine back in service without noise problems.

Great looking polished front & rear.

Please note this muffler and its adapters are for older engines produced prior to 1975. Some engines have changed or been completely replaced by newer models. Some adapters may not fit these newer models.

You must purchase one of the adapters below for the Kavan muffler to fit the exhaust flange of your particular engine.

0 Super Tigre 51-60
K&B Torpedo .35 and .40
(version with bolt on front housing and no muffler mounting holes in case)


13 Veco .45
1 Super Tigre G60 14 Veco .61
2 OS Max 60 15 Enya 60/III
3 Webra 61 Blk Head - HB.61 - K&B .61 16 HP .61 (4 bolt head)
4 Merco .49-61 Mk I&II 17 HP .40
5 Rossi 60 18 OS 40
6 Taipan .61 19 Super Tigre G21-29
7 Enya 45 20 Super Tigre G.40
8 Merco .35 21

Super Tigre 60Fi
Fox .59

9 Webra 40 Blk Head 22 Webra .61 Speed
10 Enya .35 23 Webra .40 Speed
11 Merco 49-61 Mk III 24 OS 40 SR
12 Enya 61/II 25 HP .61 SS or GC

 

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Registered U.S. Patent Office

No part may be reproduced without written permission from
Model Engine Corporation of America

16015 Adelante St., Irwindale, CA 91702