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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › OS 70SZ-H questions,,
05-04-2018 07:02 PM  15 months ago
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Gearhead

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OS 70SZ-H questions,,
hey guys ?? so was there 2 different Back Plates for the OS 70SZ-H ??

I have the part number for it's Gasket set ( 27014000 ), and the Manual shows a flat type Gasket, but when I go to order the Gaskets all the sites show an O-ring instead of a flat type Gasket,, and my Engine has the flat Gasket !

what's up with that, was there 2 different Back Plates ?? 

manual,, scroll down to see the flat Gasket,
http://manuals.hobbico.com/osm/70sz-h-manual.pdf

Tower's photo of the O-ring, both links use the same part number,,
https://www.towerhobbies.com/cgi-bi...p?&I=LXCNC4&P=7

thanks guys
Jim
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05-04-2018 10:58 PM  15 months ago
dschertz

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Jackson, MI

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05-05-2018 03:16 AM  15 months ago
JLF92677

rrApprentice

Southern California

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I believe Tower is showing the wromg picture associated with part # OS-27014000
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05-05-2018 06:16 PM  15 months ago
Gearhead

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JLF92677...
I believe Tower is showing the wromg picture associated with part # OS-27014000
that's just what I am talking about, the other on-line stores ( A-Main, Advantage, Hobby Town, Towers, Graves) all show the same photo with the O-ring
Jim
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05-05-2018 08:00 PM  15 months ago
P Johnston

rrVeteran

Ann Arbor MI

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I have what you need. Pay for shipping and you can have all of it. Been sitting in my cave for years...not going to ever use it.

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05-06-2018 02:40 AM  15 months ago
Gearhead

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cool, I only need the rear Gasket and Head Shim,, I will PM you for your address

thanks !!!!!!!!
Jim
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05-06-2018 03:22 AM  15 months ago
Felino

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Mexico city

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There was only one version of the 70SZ engine. I have had several since it was released 18 years ago. So all of them use a flat back plate gasket. What Tower hobbies shows on the photo is actually the
O-ring and lower shim for the carburetor but the part number 27014000 actually belongs to the back plate flat gasket/head shim set.
There is a mistake on the Tower hobbies photo.
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05-06-2018 06:48 PM  15 months ago
Gearhead

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I agree, you can see in the photo that the washer is too wide for a head shim

thanks !
Jim
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