KTM SX Motocross Bikes For Sale On eBay

Browse KTM SX motocross bikes currently listed on eBay UK. KTM SX models are two-stroke MX bikes, with common listings including 50 SX, 65 SX, 85 SX, 125 SX, 150 SX, 250 SX and 300 SX options.

Comparing KTM motocross models? You can also view KTM SX-F four-stroke options if you want to compare SX and SX-F listings.

Before buying, check the advert carefully for engine condition, rebuild history, suspension condition, frame and swingarm wear, plastics, wheels 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 KTM Motocross Bikes. 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.
128 matching listings

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Best KTM SX Finds

Find KTM SX motocross bikes selected from current listings, with attention to model, setup, condition and seller signals.

Best Offer UK seller
KTM SX-E5 2021 MX Bike - NOW SOLD

KTM SX-E5 2021 MX Bike - NOW SOLD

£1,999.99
Condition
Used
Buying
Best Offer
Seller
BUSINESS
midlandsmx54 - WS7***, GB
Budget pick
View on eBay
Best Offer UK seller
KTM SX 65 2025 - Low hour bike, Really nice example - NOW SOLD

KTM SX 65 2025 - Low hour bike, Really nice example - NOW SOLD

£3,250.00
Condition
Used
Buying
Best Offer
Seller
BUSINESS
midlandsmx54 - WS7***, GB
KTM
View on eBay
UK seller Business seller
KTM SX 250 2025 MOTOCROSS BIKE VERY CLEAN

KTM SX 250 2025 MOTOCROSS BIKE VERY CLEAN

£5,495.00
Condition
Used
Buying
CLASSIFIED AD
Seller
BUSINESS
south-coast-powersports-ltd - SP4***, GB
High value KTM
View on eBay
UK seller Business seller
KTM SX 300 2024 MOTOCROSS BIKE ONLY DONE 27 HOURS

KTM SX 300 2024 MOTOCROSS BIKE ONLY DONE 27 HOURS

£5,195.00
Condition
Used
Buying
CLASSIFIED AD
Seller
BUSINESS
south-coast-powersports-ltd - SP4***, GB
High value KTM
View on eBay

More matching listings

128 listings
KTM SX 65 2025 - Low hour bike, Really nice example - NOW SOLD

KTM SX 65 2025 - Low hour bike, Really nice example - NOW SOLD

£3,250.00
KTM
View on eBay
KTM SX 250 2025 MOTOCROSS BIKE VERY CLEAN

KTM SX 250 2025 MOTOCROSS BIKE VERY CLEAN

£5,495.00
High value
View on eBay
KTM SX 300 2024 MOTOCROSS BIKE ONLY DONE 27 HOURS

KTM SX 300 2024 MOTOCROSS BIKE ONLY DONE 27 HOURS

£5,195.00
High value
View on eBay
KTM SX300 SX 300 2025 TBI **ONLY 25 HOURS**

KTM SX300 SX 300 2025 TBI **ONLY 25 HOURS**

£5,995.00
High value
View on eBay
KTM SX 250 2024 MOTOCROSS BIKE ELECTRIC START

KTM SX 250 2024 MOTOCROSS BIKE ELECTRIC START

£4,995.00
KTM
View on eBay
KTM SX 300 2024 MOTOCROSS BIKE VERY TIDY EXAMPLE

KTM SX 300 2024 MOTOCROSS BIKE VERY TIDY EXAMPLE

£4,995.00
KTM
View on eBay
KTM SX-E 2 2025 Model Kids Electric - KTM Main Dealer - Reserve Now!

KTM SX-E 2 2025 Model Kids Electric - KTM Main Dealer - Reserve Now!

£2,599.00
Dealer listing
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Ktm SX 65 motocross bike 2021 excellent condition never raced

Ktm SX 65 motocross bike 2021 excellent condition never raced

Auction price on eBay
Check price
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KTM SX 300 2025 - Only 26 Hrs - Stock & Fully Prepped

KTM SX 300 2025 - Only 26 Hrs - Stock & Fully Prepped

£5,495.00
High value
View on eBay
125 SX 2026 Model - KTM Main Dealer - HUGE DISCOUNT!!

125 SX 2026 Model - KTM Main Dealer - HUGE DISCOUNT!!

£6,895.00
High value
View on eBay
250 SX 2026 Model - KTM Main Dealer - HUGE DISCOUNT!!

250 SX 2026 Model - KTM Main Dealer - HUGE DISCOUNT!!

£7,499.00
High value
View on eBay
KTM SX-E 1.12 Balance Bike - KTM Main Dealer - Reserve Now!

KTM SX-E 1.12 Balance Bike - KTM Main Dealer - Reserve Now!

£849.00
Budget pick
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KTM SX-E 1.16 - KTM Main Dealer - Reserve NOW

KTM SX-E 1.16 - KTM Main Dealer - Reserve NOW

£1,099.00
Budget pick
View on eBay
KTM SX 250 2025 - Only 28 Hrs - Stock & Clean - Great Low Hr Example

KTM SX 250 2025 - Only 28 Hrs - Stock & Clean - Great Low Hr Example

£5,495.00
High value
View on eBay
KTM SX 250 2025 - Only 9 Hours - Stock & AsNew Condition

KTM SX 250 2025 - Only 9 Hours - Stock & AsNew Condition

£5,995.00
High value
View on eBay
KTM 65cc SX 2027 Model, Brand New & In Stock, Ready To Ride Today

KTM 65cc SX 2027 Model, Brand New & In Stock, Ready To Ride Today

£5,199.00
High value
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 KTM Motocross Bikes. 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.