Polaris 90cc Youth ATV Engine Motor Pull Start Air Cooled Sportsman Predator
Value & Price Guide

From a Polaris youth ATV. Engine turns freely. Exact model/year unknown. It's definitely seen some use and is pretty dusty from storage, but these things are usually tanks. It's the air-cooled 350cc single cylinder motor. Not sure on the exact year. Selling it as-is, good for a project or if you need parts for your quad. Pull start is still attached.
Current value
$150 - $360
Condition
Used
Sales tracked
14 listings
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Recent listings & comparables
Based on marketplace listings similar to this item

Q1-2 Lower Engine Motor Crank Case 90 Yamaha Big Bear YFM 350 1999 ATV 4x4 4wd
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1987 88 YAMAHA BIG BEAR 350 2X4 MOTOR ENGINE BOTTOM END CRANKSHAFT TRANSMISSION
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1992 Yamaha Big Bear 350 YFM350FW 4x4 ENGINE MOTOR BOTTOM END 5M1573
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1989 Yamaha Big Bear 350 YFM350FW 4x4 ENGINE MOTOR BOTTOM END 11M3333
$209.97

1988 Yamaha Big Bear 350 YFM350FW 4x4 ENGINE MOTOR BOTTOM END 11M7755
$209.97
What affects the value?
Key factors collectors and buyers usually evaluate
Condition and packaging
Mint in package examples usually command a premium over loose items with card wear, creases, or yellowing.
Edition rarity
Specific runs and harder-to-find variants generally sell higher than common releases from the same year.
Buyer demand
Recent buyer activity changes quickly. Comparable sold listings are a better signal than asking prices.
Completeness
Original packaging, inserts, and cleaner presentation can materially improve resale value.
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Frequently asked questions
Hero Stuff analyzes thousands of recent sales across multiple marketplaces to provide you with an accurate, real-time price range for your item. We take into account the condition, completeness, and current market trends.
The most significant factors are the condition of the item, whether you have the original box and accessories, and the current market demand. Items in "Like New" or "Mint" condition typically sell for more.
The best places to sell depend on your item. Generally, eBay, Facebook Marketplace, and Mercari are top choices for electronics and collectibles. Hero Stuff helps you list across these platforms efficiently.
Check recent sold listings rather than active asking prices. Hero Stuff does this automatically for you, filtering out outliers to give you a realistic expectation of what your item will sell for.
An item is considered "New" only if it is still factory sealed. Having the original packaging and accessories can increase resale value by 15-20% compared to the loose item alone, as it appeals to collectors and gift buyers.
This Polaris 90cc Youth ATV Engine Motor Pull Start Air Cooled Sportsman Predator value and price guide is based on verified marketplace listing data and comparable item analysis. Prices shown are market-informed and can change over time.
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