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OS 70 SURPASS HEAD TROUBLE-

Old 09-30-2006, 08:10 PM
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N215PB
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Default OS 70 SURPASS HEAD TROUBLE-

Have a NEW hardly used maybe 6 flights OS 70 SURPASS 4 stroke. Today at field removed glow plug and must have got her in slightly off, pulled head threads out and now plug just falls in. I guess I need a need cylinder head, you think the Surpass II current one will fit, and if not are these older ones still available?

Larry
Old 10-02-2006, 11:10 AM
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Default RE: OS 70 SURPASS HEAD TROUBLE-

The parts for the O.S. FS-70 Surpass and the FS-70 Surpass II are different, but parts for the first one are available. Here are the stock numbers and list prices of the parts you asked about:

OSMG5118 44004100 CYLINDER HEAD FS70SUR $66.99
OSMG5214 44004000 CYL HD & VLV FS70SUR $109.99

These parts can be ordered through any hobby retailer who sells O.S. Max engines and accessories.
Old 04-07-2009, 05:04 PM
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ajpar4
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Default RE: OS 70 SURPASS HEAD TROUBLE-

I am actually looking for a head for the same engine, and I cannot find one anywhere. They are discontinued. If you know how to get a hold of one, that would be great.
Old 04-08-2009, 09:52 AM
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Default RE: OS 70 SURPASS HEAD TROUBLE-

You'll have to go through an internet auction site or through a dealer who specializes in selling parts to the engine collectors' market. They advertise in the back of the model magazines with small ads or in the classified section.

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