What causes Throttle-by-wire glitches and stalling on the Zontes 703f?

Test idle stability and throttle response at all RPMs Estimated fix cost: $50-$200

What causes Coolant leaks from water pump area on the Zontes 703f?

Inspect beneath engine for staining or fresh coolant residue Estimated fix cost: $80-$250

Check chain slack, sprocket teeth for hooking or wear Estimated fix cost: $100-$300

Scan for fault codes, check all dash functions power on Estimated fix cost: $30-$150

Known issues to inspect before buying a used Zontes 703f. What to check and how much repairs cost.

MODERATE

Test idle stability and throttle response at all RPMs

Fix cost: $50-$200

MODERATE

Inspect beneath engine for staining or fresh coolant residue

Fix cost: $80-$250

MODERATE

Scan for fault codes, check all dash functions power on

Fix cost: $30-$150

MINOR

Check chain slack, sprocket teeth for hooking or wear

Fix cost: $100-$300

☐Cold start the engine, check for hesitation

☐Request full service history and parts receipts

☐OBD scan for stored fault codes

☐Inspect fairings for crash damage signs

Decent but parts sourcing can be difficult