KTM SX 350 F vs Jawa 640 (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM SX 350 Fstacks up against the Jawa 640. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKTM SX 350 FJawa 640
Model year20261994
Price$11,499
Engine349 cc350 cc
Horsepower23 hp
Torque31 Nm
Weight101 kg150 kg
Seat height958 mm31 mm
Fuel capacity7.0 L4.5 L
Fuel typepetrolpetrol
TransmissionManual, 5 speed, Chain4-speed
Front brakesHydraulic DiscSingle disc
Rear brakesHydraulic DiscExpanding brake
TiresDunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 120/80 R19 63M

KTM SX 350 F vs Jawa 640 — which should you buy?

Picking between the KTM SX 350 F and the Jawa 640 usually comes down to the numbers you care about most. On paper, the KTM SX 350 F brings its published horsepower in a 101 kg package, while the Jawa 640 counters with 23 hp at 150 kg.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: