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OS Max 50 FSR with muffler new in box.
Lot · Engine, Exhaust & Fuel Systems How it works

OS Max 50 FSR with muffler new in box.

Starting price (see what it sold for on eBay ↗) $48.00 as of Jul 16, 2026
2 starting bids · low competition
Ends in
Closes Jul 19 · 10:00 PM EST
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Past Engine, Exhaust & Fuel Systems auctions
Condition New
Condition tiers New Used Refurbished Damaged Unspecified
Ships from ZIP 870**
castcone 252 ratings · 100.00% positive
Seller
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Description

From the seller
This engine is new in the original box and comes with the correct OS Max 744 muffler. The box has some ware on it and the residue of a sticker of some sort is on the top of the box lid. There is a plastic bag with the needle valve, the muffler screws and an allen wrench in the box along with the instructions. The engine was sold originally without the muffler which is too big to fit in the box. It is included in the auction and is the 744 that is listed on the parts list in the instructions. Look at the picture of the exhaust port. It's shinny and clean, never run.

Description is reproduced verbatim from the eBay listing. NightBids does not edit seller copy — refer to the live listing for authoritative details, shipping rates and return policy.