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Cox Engine of The Month
September-2021
crankbndr's

"Cherry Bomb" .051 engine

More info on this engine!




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Sanwa Cox Engines .051

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Sanwa Cox Engines .051 Empty Sanwa Cox Engines .051

Post  sosam117 Fri Aug 20, 2021 5:11 pm

Update on the engines that I purchased from Etsy.
I did get all four of the engines for $140 plus shipping cost.

https://www.coxengineforum.com/t15180-picked-up-these-engines-from-etsy-rare-cox-10-engine?highlight=Etsy

The cost of reworking the Enya .10 engines to make them original and working again,
The Enya .10 engines needed:
1 -- crankcase at $20.00
1 -- back plate at $14.00
Gaskets at $4.50
And I purchased 2 throttle control (for R/C) for $23.00 each.
Ordered the Enya parts from Ken Enya along with two engine boxes ($4.00 each) and two Enya wrenches ($3.00 each)
Parts plus shipping totaled $128.53 from Enya.

I have currently one completed (remanufactured) as good as new.
Currently, working on the 2nd one to look as good as the 1st one that I completed.
Sanwa Cox Engines .051 Enya_135


Now for the "Sanwa" Cox engines.
These Sanwa/Cox engines came from Japan as were the Enya engines.

For the Sanwa/Cox engines, which by the way are .051 engines ( with the ring on the bottom of the piston)
I had to get:
2 - venturi body intakes (aluminum)
2 - 5x40 screws
1 - spinner
I purchased the above from Burnie (Cox International)
And I made 2 punched out screens for the venturi.
I posted earlier on how I made the screens for the venturi

https://www.coxengineforum.com/t15343-venturi-without-mesh-screen-installation-enya-rear-induction-engines-too

I also removed the aluminum tubing on the modified muffler,
and I made my own modification to the muffler on my little lathe.

So, here is what the Sanwa/Cox engines looked like before:
Sanwa Cox Engines .051 002_sa10
Sanwa Cox Engines .051 004_sa10
Sanwa Cox Engines .051 006_sa10
Sanwa Cox Engines .051 009_sa10
Sanwa Cox Engines .051 011_sa10
Sanwa Cox Engines .051 014_sa10

Now here is the after:
I did have a R/C carburetor in my stash of parts bin and installed it on one of them.
Sanwa Cox Engines .051 001_sa10
Sanwa Cox Engines .051 002_sa11
Sanwa Cox Engines .051 003_sa10
Sanwa Cox Engines .051 004_sa11
Sanwa Cox Engines .051 005_sa10
Sanwa Cox Engines .051 006_sa11

Those are very interesting mufflers that Sanwa had made?
You can have them either behind the engine or on the side?


Last edited by sosam117 on Fri Aug 20, 2021 5:12 pm; edited 1 time in total (Reason for editing : title addition of engine size)
sosam117
sosam117
Platinum Member
Platinum Member

Posts : 518
Join date : 2016-03-23
Location : Suburb of Chicago, Illinois

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Sanwa Cox Engines .051 Empty Re: Sanwa Cox Engines .051

Post  MSierra Fri Aug 20, 2021 7:49 pm

@sosam117 wrote:Update on the engines that I purchased from Etsy.
I did get all four of the engines for $140 plus shipping cost.

https://www.coxengineforum.com/t15180-picked-up-these-engines-from-etsy-rare-cox-10-engine?highlight=Etsy

The cost of reworking the Enya .10 engines to make them original and working again,
The Enya .10 engines needed:
1 -- crankcase at $20.00
1 -- back plate at $14.00
Gaskets at $4.50
And I purchased 2 throttle control (for R/C) for $23.00 each.
Ordered the Enya parts from Ken Enya along with two engine boxes ($4.00 each) and two Enya wrenches ($3.00 each)
Parts plus shipping totaled $128.53 from Enya.

I have currently one completed (remanufactured) as good as new.
Currently, working on the 2nd one to look as good as the 1st one that I completed.
Sanwa Cox Engines .051 Enya_135


Now for the "Sanwa" Cox engines.
These Sanwa/Cox engines came from Japan as were the Enya engines.

For the Sanwa/Cox engines, which by the way are .051 engines ( with the ring on the bottom of the piston)
I had to get:
2 - venturi body intakes (aluminum)
2 - 5x40 screws
1 - spinner
I purchased the above from Burnie (Cox International)
And I made 2 punched out screens for the venturi.
I posted earlier on how I made the screens for the venturi

https://www.coxengineforum.com/t15343-venturi-without-mesh-screen-installation-enya-rear-induction-engines-too

I also removed the aluminum tubing on the modified muffler,
and I made my own modification to the muffler on my little lathe.

So, here is what the Sanwa/Cox engines looked like before:
Sanwa Cox Engines .051 002_sa10
Sanwa Cox Engines .051 004_sa10
Sanwa Cox Engines .051 006_sa10
Sanwa Cox Engines .051 009_sa10
Sanwa Cox Engines .051 011_sa10
Sanwa Cox Engines .051 014_sa10

Now here is the after:
I did have a R/C carburetor in my stash of parts bin and installed it on one of them.
Sanwa Cox Engines .051 001_sa10
Sanwa Cox Engines .051 002_sa11
Sanwa Cox Engines .051 003_sa10
Sanwa Cox Engines .051 004_sa11
Sanwa Cox Engines .051 005_sa10
Sanwa Cox Engines .051 006_sa11

Those are very interesting mufflers that Sanwa had made?
You can have them either behind the engine or on the side?

Excellent work Sosam117, they look like new!
MSierra
MSierra
Moderate Poster
Moderate Poster

Posts : 12
Join date : 2021-08-17

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