(Sold) NOS 1978 Tecumseh H50 "Big Block" – 3/4" Keyed Shaft – Original NRI/McGraw-Hill Shipping Box

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aneophyte

New Member
#1
#1
The Ultimate Piece of Mechanical History.

Offered is a 100% New Old Stock (NOS) Tecumseh H50 (5HP) engine. This isn't just a surplus engine; it is a pristine training kit from the legendary NRI Schools Small Engine Repair course. It has been preserved in its original shipping box for over 45 years.

Condition:
Virgin / Never Run: This engine has never seen a drop of gasoline or a single heat cycle.
3/4" Horizontal Shaft: Verified 3/4" diameter with a standard keyway—ideal for vintage mini bikes (Rupp, Bonanza, Manco) and go-karts.
Provenance: Includes the original McGraw-Hill Continuing Education Center shipping label addressed to the student, dated in the late 1970s.

Aesthetics: Finished in original "Tecumseh Red" with the correct metal "pancake" air cleaner and square black fuel tank.

Technical Identification:
Model: H50-65500S

Serial Number: SER 8237R (Manufactured August 1978)

Type: 4-Cycle, 5 Horsepower, Horizontal Shaft

Collector Value:
This is a museum-grade survivor. Whether you are a restorer seeking a factory-fresh "Big Block" for a show-winning mini bike or a collector of vintage technical education memorabilia, this unit is irreplaceable.

Price: $1,495.00 / Or Best Offer

Shipping: Will be double-boxed to protect the original historical NRI label and packaging.
 

Attachments

sparkwizard

sparkwizard

#4
#4
Prices for the old engines are climbing, for sure, but there is a huge gap between new seventies engines and new late eighties engines.
I also wish you luck on your sale, but I have to pass.
 
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aneophyte

New Member
#9
#9
I am not sure why you would say that.

I am simply trying to get rid of this motor. It belonged to my mother in laws brother that recently passed away.

We found this motor when cleaning out the garage, appears he never used it.

We have no use for it and it would be a shame to throw it away.

I am happy to engage in coversation with anyone that is interested.

This is not a scam, the pictures alone should prove that.
 
Havasu Dave

Havasu Dave

Moderator
#10
#10
aneophyte said:
I am not sure why you would say that.

This is not a scam, the pictures alone should prove that.
Click to expand...
Don't take it personally. I'm sure you're aware of the sophistication and quantities of scams out there.

@Robertt8883 FYI I did check the seller's IP address against the shipping label on the engine, and all seem legitimate from my point of view. It's a decent deal for someone looking for a late 80's H50. If I needed it, I'd buy it.
 
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Robertt8883

Well-Known Member
#15
#15
It would be a Great deal for someone almost too good to be true.With the gas prices climbing so high shipping is getting out of reach.
The seller or new member might want to check shipping pricing before offering that deal.I hope it works out for him.
 
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