Updated 4-24-2020
ORIGINAL FACTORY PARTS
HB .12 .15 .20 .21 .25 Veco .19 Mufflers, Screws and Spacers

All HB .12, .15, .20, .21, and .25 engines as well as the VECO .19 engines have the same exhaust size and shape.

Note the screw head has a hex and is slotted. Thread size of 3x.5mm
HB 12 & 15 Muffler Options
Muffler set includes: 1 muffler ---- Gasket & Screw are sold separately
30-1201 HB .12 and .15 Muffler
Use screw 25-1231
Use Gasket 29-1131
30-1202
HB .12 and .15 Marine Muffler, we also use this on the .20, .21, and .25
Use screw 25-1231
Use Gasket 29-1131
30-1203 10mm HB Muffler Spacer
For 30-1201 & 30-1202
This extension is 10 mm (.390") and can be used on the 30-1201 & 30-1202 mufflers.
Set includes: 1 muffler extension and one gasket.

You must order the screw 25-1232 separately.
HB 20, 21 & 25 Muffler Options
30-1101 HB .20, .21, and .25 Muffler
Includes 25-1131 Screw and 29-1131 Gasket
Early 20, 21, 25 Muffler
Pictured to the right is
obsolete -- No Longer Available
This is the first HB .20 .21 & .25 muffler.
It was also sold for the VECO .19
The molds were lost and these
are not available at this time.
This muffler did use the 25-1131 Screw
Veco 19 Muffler Options

This is the adapter sold for the VECO .19 part number 30-6991
It replaces the exhaust baffle so the muffler can be attached.
You must have the holes for the baffle for it to work. Any of the mufflers listed on this page will work.
Screw Options

25-1231 --- *1.075"

25-1232 --- *1.350"

25-1131 --- *1.775" Used on all HB 20, 21 &

* Length measured from center of taper to end of thread