125cc Motocross Bikes For Sale On eBay

Browse current 125cc motocross bikes, including popular two-stroke options like Honda CR125 motocross bikes and Kawasaki KX125 motocross bikes.

A 125cc MX bike is a popular choice for riders moving up from smaller youth bikes, lighter adult riders, and anyone who wants a responsive 2-stroke or entry-level race bike. Always check the advert details, service history, frame condition and seller information before buying.

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.
63 matching listings

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Best MX Bike 125cc Finds

Compare current 125cc motocross bikes, with picks that suit riders moving up from youth bikes or looking for a lighter adult machine.

Best Offer UK seller
2023 Yamaha YZ 125cc Road Legal

2023 Yamaha YZ 125cc Road Legal

£5,650.00
Condition
Used
Buying
Buy It Now - Best Offer
Seller
BUSINESS
89_dls - DN16***, GB
High value
View on eBay
Best Offer UK seller
2023 YZ125 Monster Edition 125cc Motocross MX Bike Off Road

2023 YZ125 Monster Edition 125cc Motocross MX Bike Off Road

£5,150.00
Condition
Used
Buying
Buy It Now - Best Offer
Seller
INDIVIDUAL
pandfaith_0 - PL25***, GB
High value 125cc
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Best Offer UK seller
Yamaha YZ 125 2025 - Low hours

Yamaha YZ 125 2025 - Low hours

£5,195.00
Condition
Used
Buying
Best Offer
Seller
BUSINESS
rhs-motorcycles - BA5***, GB
High value
View on eBay
Best Offer UK seller
Yamaha Yz 125 2022 Road Legal

Yamaha Yz 125 2022 Road Legal

£4,700.00
Condition
Used
Buying
Buy It Now - Best Offer
Seller
INDIVIDUAL
geohar_765 - AL4***, GB
Check listing type 125cc
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More matching listings

63 listings
2023 YZ125 Monster Edition 125cc Motocross MX Bike Off Road

2023 YZ125 Monster Edition 125cc Motocross MX Bike Off Road

£5,150.00
High value
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Kawasaki Kx 125, STUNNING KX125,HGS,V FORCE,RESTYLE,RARE 2007 MODEL,

Kawasaki Kx 125, STUNNING KX125,HGS,V FORCE,RESTYLE,RARE 2007 MODEL,

£3,995.00
125cc
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HONDA CR125 2003 ROAD REGISTERED MX ENDURO GREEN LANE BIKE

HONDA CR125 2003 ROAD REGISTERED MX ENDURO GREEN LANE BIKE

£3,995.00
125cc
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Kawasaki Kx 125 1996 super evo evo ultra evo motocross mx

Kawasaki Kx 125 1996 super evo evo ultra evo motocross mx

£2,750.00
125cc
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ONLY 28.1-HOURS IMMACULATE CONDITION 2024 YAMAHA YZ 125

ONLY 28.1-HOURS IMMACULATE CONDITION 2024 YAMAHA YZ 125

£4,995.00
125cc
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Yamaha Yz125 2014 Off Road Motocross MX Bike

Yamaha Yz125 2014 Off Road Motocross MX Bike

£3,900.00
125cc
View on eBay

Listings open on eBay. Check seller, delivery and returns on the eBay listing.

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.

125cc motocross bike FAQs

Are 125cc motocross bikes good for beginners?

A 125cc motocross bike can suit some developing riders, especially those with clutch and off-road experience, but suitability depends on rider size, confidence and the specific bike.

What should I check before buying a used 125cc motocross bike?

Check engine condition, top-end history, gearbox feel, suspension, wheel bearings, frame condition, tyres, chain and sprockets, and whether the advert details match the bike.

Are 125cc motocross bikes usually two-stroke?

Many popular 125cc motocross bikes are two-strokes, including models like Honda CR125, Kawasaki KX125 and Yamaha YZ125, but always check the exact listing details.

How often does a used 125cc motocross bike need servicing?

Service needs depend on use, condition and maintenance history. Ask about recent oil changes, air filter care, top-end work and any receipts before buying.