What causes Radiator hose leaks and overheating issues on the GASGAS EC 350F?

Inspect hoses, coolant level, and radiator for damage Estimated fix cost: $50-$150

What causes Valves go out of spec quickly on the GASGAS EC 350F?

Ask for valve check history, compression test Estimated fix cost: $200-$500

Check for rough idle or hesitation on startup Estimated fix cost: $50-$200

Inspect subframe welds visually under rear plastics Estimated fix cost: $300-$700

Known issues to inspect before buying a used GASGAS EC 350F. What to check and how much repairs cost.

MODERATE

Inspect hoses, coolant level, and radiator for damage

Fix cost: $50-$150

SERIOUS

Ask for valve check history, compression test

Fix cost: $200-$500

MODERATE

Check for rough idle or hesitation on startup

Fix cost: $50-$200

SERIOUS

Inspect subframe welds visually under rear plastics

Fix cost: $300-$700

☐Pull valve cover, verify clearances in spec

☐Cold start test, listen for top-end noise

☐Check coolant for oil contamination

☐Inspect subframe and airbox for cracks

Solid bike, maintenance-dependent, inspect valves closely