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Quadra Engine Size

Old 10-18-2004, 09:03 PM
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Default Quadra Engine Size

Hello all,

I have an older Quadra engine that I assumed was a 40cc. Well, when I ordered the 40cc piston and ring, it was too small. The case looks almost identical in size to the 35cc. The markings on the case are as follows: RD 502, 20800, PETCO and Made in Canada. This engine has no breaker points.

Any ideas on how big (or small) this engine is?

Thanx,
Tom
Old 10-19-2004, 01:03 AM
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Default RE: Quadra Engine Size

Petco was the "in between" company from Quadra to US Engines...It has to be a 41 or 42, check with Dick Bennett at www.bennettbuilt.com..
Old 03-08-2024, 06:41 PM
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Originally Posted by rcglert
Hello all,

I have an older Quadra engine that I assumed was a 40cc. Well, when I ordered the 40cc piston and ring, it was too small. The case looks almost identical in size to the 35cc. The markings on the case are as follows: RD 502, 20800, PETCO and Made in Canada. This engine has no breaker points.

Any ideas on how big (or small) this engine is?

Thanx,
Tom
Hey Tom! Just wondering what all you were able to learn about this engine? I have one with the exact same markings that I would like to rebuild. It came on an ice auger that was handed down from my late father in law. Having a hard time finding any info online. Anything you could tell me about it would be greatly appreciated!!

Thanks,
Branden
Old 03-09-2024, 06:28 AM
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I have a 40 size Quadra sitting on my bench, it is partially disassembled but it did run. Can't find any numbers on the case and it is a point style engine if it would be help to you. Cant tell how long it has been sitting there!
Old 03-12-2024, 07:21 AM
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Probably a Quadra 52, lots of the 40's had new jugs installed to up the cubic inches.
Old 03-12-2024, 02:45 PM
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This is the book you might want to get if you are going to play with Quadra engines.

Amazon Amazon
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