Head screws + manual for older OS 91 Surpass  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> Head screws + manual for older OS 91 Surpass
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Head screws + manual for older OS 91 Surpass - 5/1/2008 6:20:05 PM   
tedev


 

Posts: 9
Joined: 6/11/2006
From: Westbury, NY, USA
Status: offline 		This engine came with a warbird I recently purchased. While trying to take apart for cleaning one of the head bolts was messed up (it was too tight.)

Does anyone know the size of this screw? Looks like a 3.xx mm by 20 mm. Would it be the same as the ones used in the newer Surpass II?

Where can I find the manual for this engine? OS no longer lists it for download.

Thanks in advance

Ted
       Post #: 1

RE: Head screws + manual for older OS 91 Surpass - 5/1/2008 6:50:05 PM   
w8ye



Posts: 16975
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		The head screws are the same between the older Surpass I and the newer Surpass II

You can just use the new manual for you old engine. The running parts in the two engines will interchange.

The carb is the main difference in them

The glow plug is farther down in the head by 2mm on the Surpass II is the main difference in the head. The heads are not interchangeable because of the way the intake manifold attaches.

_____________________________

I've attended the CutFinger Institute of DirtNap University for years but never did graduate....

Club Saito Member #7
Original AMA #31261

(in reply to tedev)
       Post #: 2

RE: Head screws + manual for older OS 91 Surpass - 5/1/2008 7:28:41 PM   
tedev


 

Posts: 9
Joined: 6/11/2006
From: Westbury, NY, USA
Status: offline 		Thank you very much for the quick - greatly appreciated.

Now I still have to find the head screw for something less than $10 Tower charges (for the set though)...

Ted

(in reply to w8ye)
       Post #: 3

RE: Head screws + manual for older OS 91 Surpass - 5/2/2008 2:42:27 AM   
LeeHop



Posts: 171
Joined: 4/5/2005
From: Aurora, OR, USA
Status: offline 		A good hardware store - that's what you need.
I can take a damaged screw into my local store, say hello to the owners who also work there, spend as long as I need in the fastener aisle and usually find what I need.
Sure I pay a few pennies extra for the convenience - I think it's worth it.
And I can buy an ice cream sandwich to go with it! (Great general store atmosphere)

Sadly, this store is closing due to an unresolved spat between the owners and the city over rental trucks left out in their parking lot. It's a terrible loss to the city and I'm mad as hell about it so just don't get me started!

LeeH

(in reply to tedev)
       Post #: 4

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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> Head screws + manual for older OS 91 Surpass
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