What causes Carburetor jetting too lean from factory on the Suzuki Drz400sm?

Hesitation on throttle, popping on decel, rough idle Estimated fix cost: $50-$150

What causes Stator and regulator/rectifier failure on the Suzuki Drz400sm?

Battery dying, dim lights, electrical gremlins at high RPM Estimated fix cost: $150-$400

Ticking or rattling noise on cold startup Estimated fix cost: $30-$80

Uneven brake feel, rotor heat after riding, dragging Estimated fix cost: $40-$120

Known issues to inspect before buying a used Suzuki Drz400sm. What to check and how much repairs cost.

MODERATE

Hesitation on throttle, popping on decel, rough idle

Fix cost: $50-$150

SERIOUS

Battery dying, dim lights, electrical gremlins at high RPM

Fix cost: $150-$400

MODERATE

Ticking or rattling noise on cold startup

Fix cost: $30-$80

MODERATE

Uneven brake feel, rotor heat after riding, dragging

Fix cost: $40-$120

☐Check for oil leaks around valve cover

☐Test ride cold to hear cam chain

☐Inspect stator wiring for melting or burns

☐Confirm carb has been rejetted properly

Bulletproof if maintained, excellent long-term buy