What causes Throttle-by-wire glitches and erratic idle on the Loncin Voge 900rr?

Idle stability, throttle response at all RPM ranges Estimated fix cost: $150-$400

What causes Coolant leaks from water pump seals on the Loncin Voge 900rr?

Staining under engine, coolant level drops over time Estimated fix cost: $200-$500

Scan for fault codes, check harness connectors under tank Estimated fix cost: $100-$300

Chain slack, sprocket teeth shape, lubrication evidence Estimated fix cost: $150-$350

Known issues to inspect before buying a used Loncin Voge 900rr. What to check and how much repairs cost.

MODERATE

Idle stability, throttle response at all RPM ranges

Fix cost: $150-$400

MODERATE

Staining under engine, coolant level drops over time

Fix cost: $200-$500

MODERATE

Scan for fault codes, check harness connectors under tank

Fix cost: $100-$300

MINOR

Chain slack, sprocket teeth shape, lubrication evidence

Fix cost: $150-$350

☐Pull fault codes with OBD scanner before buying

☐Check service history for valve clearance checks

☐Inspect frame for crash damage or repaint

☐Cold-start the bike, listen for odd noises

Decent budget superbike but quality control inconsistent