Essential Tool..

[Vintage Engine Repairs]

If you repair 2 stroke ope, you need this tool -

 

[Mad Professor]

How much $$$ from the Steal dealer ? if they will sell you one.......

 

[Bob Hedgecutter]

Essential? No way.
If you want to be prim and proper- have a fetish for labelled gadgets, cannot figure out how to make do with what can be found, have a fat wallet- sure, go get yourself one- but there are many ways to skin a cat.

 

[Mad Professor]

Essential? No way.
If you want to be prim and proper- have a fetish for labelled gadgets, cannot figure out how to make do with what can be found, have a fat wallet- sure, go get yourself one- but there are many ways to skin a cat.

Instead of an inner tube, a piece of a thick balloon would work the same way on the intake side and not seal up leaks on carb side.

 

[Vintage Engine Repairs]

Instead of an inner tube, a piece of a thick balloon would work the same way on the intake side and not seal up leaks on carb side.

Na that won’t work, you’ll have leaks through the shafts.

 

[Vintage Engine Repairs]

Essential? No way.
If you want to be prim and proper- have a fetish for labelled gadgets, cannot figure out how to make do with what can be found, have a fat wallet- sure, go get yourself one- but there are many ways to skin a cat.

Sure whatever works for you. The take away is using something hard and flat that won’t take up the clearance.

 

[buzz sawyer]

Interesting - that the inner tube could seal off very minor leaks. Also, inner tube material is soft and will flex with pressure or vacuum, maybe taking longer to reach test pressure. I use a thicker (3/16"), firmer piece of rubber that is not likely to do that. A solid adaptor as shown should not be that difficult to duplicate.

 

[Vintage Engine Repairs]

Interesting - that the inner tube could seal off very minor leaks. Also, inner tube material is soft and will flex with pressure or vacuum, maybe taking longer to reach test pressure. I use a thicker (3/16"), firmer piece of rubber that is not likely to do that. A solid adaptor as shown should not be that difficult to duplicate.

Yeah it can seal off larger ones too. Same with that firmer rubber, lots of people use the orange stuff in the USA and it’s just as bad.

 

[Mad Professor]

Na that won’t work, you’ll have leaks through the shafts.

How so? It should work same as an inner tube to seal the venturi but much thinner.

 

[Vintage Engine Repairs]

How so? It should work same as an inner tube to seal the venturi but much thinner.

Sorry mate you’ve totally lost me with “balloon” and “carb side” and “not seal on intake side” I have no idea what any of that means. Ultimately if it works for you, that’s all that matters

 

[Bill G]

Does he think he is re-inventing the wheel?

 

[cookies]

Stihl offers 3? different versions of that block off..last one I purchased in store was under 20 bucks...dealers sell them to you if you hand them the part number. I need to know the id of the fuel hose used with the mighty vac to order more...would like to say it was 1/4" id

 

[Vintage Engine Repairs]

Does he think he is re-inventing the wheel?

Just sharing some advise covering something I have been tripped up on before.

 

[Bill G]

Just sharing some advise covering something I have been tripped up on before.

I get that but the guy is not reinventing the wheel as much as he thinks he is.
I am not much on utubers

 

[Vintage Engine Repairs]

I get that but the guy is not reinventing the wheel as much as he thinks he is.
I am not much on utubers

I don’t think he thinks he is? He’s a YouTube hack anyways…

 

[Sidecarflip]

The Harbor Freight Mity Vac clone is 1/2 the price of the original and has a better construction, the cylinder is machined brass, not die cast.... FYI.

 

[GMB74]

The latest version of this tool is 5910-850-4207. I got one from my local Stihl dealer this spring for $24.91 plus tax.
It was on back order for quite a while. Some dealers will not sell special tools to the public. Some mark up their parts well above list price.
I have also fabricated block off plates for other engines I have worked on. It all depends on how much effort you want to put into this. YMMV.

Edit: The tool is also available on Ebay from multiple sellers. Search for the part number.

 

[Todd727]

How much $$$ from the Steal dealer ? if they will sell you one.......

Guessing you didn't watch the video as he posted the Amazon link and it's $54.

 

[AK066]

How much is your time worth?
Find the metal, find the rubber, find the tubing or barbed fitting, cut and grind, drill some holes, make some holes, tap or weld............
Depending on which one is needed they typically run $15-$30 on eBay.

Just a few examples.

https://www.ebay.com/itm/3851269487...uid=V3fSRgrzQGu&widget_ver=artemis&media=COPY

https://www.ebay.com/itm/3650218027...uid=V3fSRgrzQGu&widget_ver=artemis&media=COPY

https://www.ebay.com/itm/3852593088...uid=V3fSRgrzQGu&widget_ver=artemis&media=COPY

 

[Bob Hedgecutter]

How much is your time worth?
Find the metal, find the rubber, find the tubing or barbed fitting, cut and grind, drill some holes, make some holes, tap or weld............
Depending on which one is needed they typically run $15-$30 on eBay.

Just a few examples.

https://www.ebay.com/itm/3851269487...uid=V3fSRgrzQGu&widget_ver=artemis&media=COPY

https://www.ebay.com/itm/3650218027...uid=V3fSRgrzQGu&widget_ver=artemis&media=COPY

https://www.ebay.com/itm/3852593088...uid=V3fSRgrzQGu&widget_ver=artemis&media=COPY

If your are a Stihl freak- some rubber and a pair of scissors- hold the rubber in place with the carb and muffler supplied by the saw- test through the impulse hose.
There is no need to make it sound more complicated than it needs to be- simple tests can be performed by simple means.
Or you can buy shiny proprietary tooling- your choice- but neither is " essential" to get the job done.