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.
164 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.

UK seller Business seller
NEW 2026 TM85 MX MOTOCROSS BIKE / SPECIAL OFFER £5,295! SAVE £1000! KTM SX 85 65

NEW 2026 TM85 MX MOTOCROSS BIKE / SPECIAL OFFER £5,295! SAVE £1000! KTM SX 85 65

£5,295.00
Condition
New
Buying
CLASSIFIED AD
Seller
BUSINESS
mandrvehiclesalesnorthyorks - YO17***, GB
High value KTM
View on eBay
UK seller Business seller
2022 KTM SX 65 2 stroke Kids Motocross bike with warranty

2022 KTM SX 65 2 stroke Kids Motocross bike with warranty

£2,295.00
Condition
Used
Buying
CLASSIFIED AD
Seller
BUSINESS
motoxmadsales - GB
KTM KTM SX
View on eBay
Best Offer UK seller
ktm sx85 2025.mx bike.crf.honda

ktm sx85 2025.mx bike.crf.honda

£4,195.00
Condition
Used
Buying
Best Offer
Seller
BUSINESS
cwbikeslimitedcwdistribution - PO21***, GB
KTM
View on eBay
UK seller Business seller
DANNYS DIRT BIKES 8 HR KTM SX 300 2025 SX300 MAY PX MX BIKE SX 250 YZ 250

DANNYS DIRT BIKES 8 HR KTM SX 300 2025 SX300 MAY PX MX BIKE SX 250 YZ 250

£6,195.00
Condition
Used
Buying
CLASSIFIED AD
Seller
BUSINESS
dannysdirtbikestore - MK42***, GB
High value KTM
View on eBay

More matching listings

164 listings
NEW 2026 TM85 MX MOTOCROSS BIKE / SPECIAL OFFER £5,295! SAVE £1000! KTM SX 85 65

NEW 2026 TM85 MX MOTOCROSS BIKE / SPECIAL OFFER £5,295! SAVE £1000! KTM SX 85 65

£5,295.00
High value
View on eBay
2022 KTM SX 65 2 stroke Kids Motocross bike with warranty

2022 KTM SX 65 2 stroke Kids Motocross bike with warranty

£2,295.00
KTM
View on eBay
DANNYS DIRT BIKES 8 HR KTM SX 300 2025 SX300 MAY PX MX BIKE SX 250 YZ 250

DANNYS DIRT BIKES 8 HR KTM SX 300 2025 SX300 MAY PX MX BIKE SX 250 YZ 250

£6,195.00
High value
View on eBay
KTM SX 85 BW 2022 Motocross Bike 85cc @EmotoUK - Finance Available

KTM SX 85 BW 2022 Motocross Bike 85cc @EmotoUK - Finance Available

£2,895.00
KTM
View on eBay
KTM SXF 450 2021 ( MX / fc mc kxf rmz crf yzf ) @ AJ TRADING

KTM SXF 450 2021 ( MX / fc mc kxf rmz crf yzf ) @ AJ TRADING

£3,695.00
KTM
View on eBay
KTM SXF 450 2023 ( MX / MOTOCROSS / ENDURO ) @ AJ TRADING

KTM SXF 450 2023 ( MX / MOTOCROSS / ENDURO ) @ AJ TRADING

£3,795.00
KTM
View on eBay
KTM SX 125 2023 ( MX / yz cr rm kx tc sx ) @ AJ TRADING

KTM SX 125 2023 ( MX / yz cr rm kx tc sx ) @ AJ TRADING

£3,995.00
KTM
View on eBay
2024 KTM SXF 250 SX250F - 54 HOUR - ELECTRIC START - CRF FC 350 450

2024 KTM SXF 250 SX250F - 54 HOUR - ELECTRIC START - CRF FC 350 450

£4,299.00
KTM
View on eBay
2025 KTM SX 50 - LOW USE ORIGINAL BIKE - TC MC YZ 65

2025 KTM SX 50 - LOW USE ORIGINAL BIKE - TC MC YZ 65

£2,899.00
KTM
View on eBay
BIKE NOW SOLD KTM SX 250 2023 UK DELIVERY RING DAVE 07794752504

BIKE NOW SOLD KTM SX 250 2023 UK DELIVERY RING DAVE 07794752504

£4,295.00
KTM
View on eBay
2022 KTM SX 250 EXCELLENT CONDITION PX YZ CRF UK DELIVERY RING DAVE 07794752504

2022 KTM SX 250 EXCELLENT CONDITION PX YZ CRF UK DELIVERY RING DAVE 07794752504

£4,195.00
KTM
View on eBay
KTM SX 65 2026 MOTOCROSS BIKES 0 HOURS UNUSED

KTM SX 65 2026 MOTOCROSS BIKES 0 HOURS UNUSED

£4,495.00
KTM
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Ktm Sx 2005 Road Legal 2 Stroke No mot Very Fast

Ktm Sx 2005 Road Legal 2 Stroke No mot Very Fast

£3,500.00
Check listing type
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ktm sx 65 mx bike, very recently serviced, running lovely, lots of spares

ktm sx 65 mx bike, very recently serviced, running lovely, lots of spares

£695.00
Budget pick
View on eBay
KTM SX 125 2023 MOTOCROSS BIKE. ELECTRIC START, VERY TIDY! TC MC YZ KX CR 150

KTM SX 125 2023 MOTOCROSS BIKE. ELECTRIC START, VERY TIDY! TC MC YZ KX CR 150

£3,750.00
KTM
View on eBay
KTM 250 SX 2 stroke 2019 Motocross Bike - 2 owners from new - Low Hours

KTM 250 SX 2 stroke 2019 Motocross Bike - 2 owners from new - Low Hours

£3,600.00
KTM
View on eBay
KTM SXF250 2025 EXCELLENT CONDITION PX UK DELIVERY RING DAVE 07794752504

KTM SXF250 2025 EXCELLENT CONDITION PX UK DELIVERY RING DAVE 07794752504

£5,495.00
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.