500cc Motocross Bikes For Sale On eBay

Browse current 500cc motocross bikes and big-bore dirt bike listings. If road registration matters, also compare road legal motocross bikes and KTM EXC enduro bikes, then check the advert details before buying.

Big-bore 500cc MX bikes are usually aimed at experienced riders and collectors, with listings often including Honda CR500, Kawasaki KX500 and similar large-capacity two-stroke or conversion bikes.

Before buying, check the advert carefully for engine condition, rebuild history, frame and swingarm wear, suspension condition, road-registration details where relevant, and seller information. Listings can change often, so always confirm the details directly on eBay before committing.

Disclosure: Our goal is to feature items and services that we think you’ll find interesting and useful related to Motocross Bikes & Dirtbike Racing. For certain products and links from this site, we may get a small share of the revenue from the sale from our commerce partners. The actual product won't cost you any more, revenue is generated through advertising of the products and services on this site. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
16 matching listings

Explore by type

Use these quick filters to narrow the listings below.

More matching listings

16 listings

Honda crf450r 2026 with Tomasin T500 2-stroke motor,BRAND NEW BUILD

£14,995.00
High value
View on eBay

1989 Honda CR500R Road Legal | 500cc 2-Stroke | Rare Classic

£10,495.00
High value
View on eBay

Honda CR500 1989 F reg, supermoto, road legal, crf, Reasonable Offers accepted

£8,500.00
High value
View on eBay

HONDA CRF 450 RX ENDURO BIKE, ONLY 7 HOURS FROM NEW! V5 125 250 350 500

£6,250.00
High value
View on eBay

Honda CR500. 1997 Motocross. 1 owner imported bike. Excellent condition

£7,500.00
High value
View on eBay

Putoline Light Gear Oil 1 Litre For Kawasaki KX 60 KX 65 80 85 100 125 250 500

£11.95
Budget pick
View on eBay

2008 KX250 Hybrid (99 Cr500 motor)

Auction price on eBay
Check price
View on eBay

Kawasaki KH250 S1 triple 1979 two stroke S2 350 S3 400 H1 500 H2 750 U.K Bike

£3,500.00
500cc
View on eBay

KAWASAKI KX KXF 65 80 85 125 250 450 500 DRC HIGH PRESSURE 1.6 kgf RADIATOR CAP

£11.95
Review carefully
View on eBay
Disclosure: Our goal is to feature items and services that we think you’ll find interesting and useful related to Motocross Bikes & Dirtbike Racing. For certain products and links from this site, we may get a small share of the revenue from the sale from our commerce partners. The actual product won't cost you any more, revenue is generated through advertising of the products and services on this site. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

500cc motocross bike FAQs

Are 500cc motocross bikes suitable for beginners?

Most 500cc motocross bikes are powerful, big-bore machines and are usually better suited to experienced riders. Always consider rider ability, bike condition and intended use.

What should I check before buying a 500cc motocross bike?

Check engine condition, starting behaviour, compression, frame wear, suspension, brakes, parts availability, rebuild history and whether the advert gives enough detail.

Are Honda CR500 bikes collectible?

Some Honda CR500 bikes attract collector interest, especially clean or original examples, but value depends on condition, history, originality and demand at the time.

Do 500cc motocross bikes need more maintenance?

Maintenance depends on the specific bike and how it has been used. For older big-bore bikes, check rebuild evidence, spares availability and signs of hard use carefully.