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Used KTM
Used KTM 300 EXC for sale
The KTM 300 EXC is a 300cc two stroke enduro bike, built for the bush and usually registrable, so it turns up with hours or kilometres.
3 KTM 300 EXCs are listed on MWMX right now (2019 to 2025 models), asking $8,250 to $15,500, most around $13,500. Every listing shows the hours, photos and where the bike is, and you can message the seller or make an offer without an account.
A KTM 300 EXC is cheap to keep but ask when the piston was last done: a race two stroke wants a top end every 20 to 40 hours. Check for a clean, unscored bore, a working power valve, no crank seal leaks (smoke on the pipe side, or gearbox oil going down) and that the pipe is not caved in. Ask for the service history (members log theirs in the MWMX Digital Garage and it shows on the listing), look at the hours against the price, and check the frame and swingarm for cracks, the fork seals for weeping and the linkage and steering head bearings for play.
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Good to know
- How much is a used KTM 300 EXC?
- The KTM 300 EXCs listed on MWMX today are asking $8,250 to $15,500, with most around $13,500. Year, hours and whether it has been raced move the price more than anything else; a bike with a logged service history sells faster and for more.
- How many hours is a lot on a KTM 300 EXC?
- Hours on a two stroke are about the top end, not the bike: a fresh piston resets the clock. Under 20 hours since a top end is fresh; the bottom end (crank and main bearings) is good for 150 to 250 hours on most two strokes before it wants doing.
- What should I check before buying a used KTM 300 EXC?
- A KTM 300 EXC is cheap to keep but ask when the piston was last done: a race two stroke wants a top end every 20 to 40 hours. Check for a clean, unscored bore, a working power valve, no crank seal leaks (smoke on the pipe side, or gearbox oil going down) and that the pipe is not caved in. Ask for the service history (members log theirs in the MWMX Digital Garage and it shows on the listing), look at the hours against the price, and check the frame and swingarm for cracks, the fork seals for weeping and the linkage and steering head bearings for play.
- Can I buy a KTM 300 EXC on MWMX without an account?
- Yes. Every listing is public: message the seller, make an offer or apply for finance straight from the page. An MWMX account adds saved searches, a Digital Garage for the service history and member pricing on parts once you own it.
- How do I sell my KTM 300 EXC on MWMX?
- List it free from the Sell page in about five minutes: photos, hours, location and your price. No listing fee and no sale fee on bikes. The listing goes out to riders looking for a 300 EXC and the MWMX Marketplace ads on Google.
Selling a KTM 300 EXC?
List it free on the MWMX Marketplace. No listing fee, no sale fee, and buyers who actually ride. Takes five minutes.
List your bike free