KTM 125 SX 2025
Finance example above is based on 14.9% APR, £0 deposit, over a
60 month term. Terms and conditions apply, Finance is subject to status.
BIKE SPECIFICS
-
Transmission
5-Speed -
Starter
Electric starter -
Design
1-cylinder, 2-stroke engine -
Weight (without fuel)
92.4 kg -
Tank Capacity (Approx.)
7.2 l -
Front Suspension
WP XACT-USD, Ø 48 mm -
Rear Suspension
WP XACT Monoshock with linkage -
Seat Height
958mm
KEY FEATURES
As always, the suspension boasts an easy tool-free setup at both ends, ensuring you chase down the podium in total control. On the rear, a hand-adjustable dual compression control allows riders to adjust high- and low-speed settings in a matter of seconds. The forks on the front end are also easily adjusted thanks to hand- adjustable clickers on the bottom of the fork shoe and top cap.
Pre-mix gets a remix across the 2-stroke KTM SX range, with Electronic Fuel Injection setting the standard. Now there's no more fiddly jetting setup pre-race, And thanks to the Keihin EFI and reed valve case design, you can be guaranteed of laying down optimal power at any altitude, all of the time.
Designed to churn out torque the 2025 KTM 125 SX is set to continue its dominance in its class with unrelenting forward momentum. With an overall engine weight of only 17.86 kg and impressive horsepower figures, this lightweight powerplant retains its typical high-revving character, while laying down the grunt where it matters most.
Finance Available
Finance is available on all vehicles, both new and used. We can work with you to make the repayments suit your monthly budget. Whether you’re looking to put a deposit down or take advantage of our nil deposit opitions.
LEARN MORE LEARN MOREValue My Bike
Here at Marsh Powersports, we offer a part exchange option. This allows you to bring in your current bike, or something you feel we would be interested in and have it valued. The amount can then be looked at as part of a deal for a new vehicle.
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