What causes Carburetor gumming from ethanol fuel sitting on the Yamaha Xt250?

Cold start behavior, idle quality, throttle response smoothness Estimated fix cost: $50-$150

What causes Valve clearance out of spec over time on the Yamaha Xt250?

Ticking noise at idle, compression test results Estimated fix cost: $80-$200

Chain slack, sprocket tooth hooks or sharpness Estimated fix cost: $60-$120

Battery voltage at idle, lights dimming under load Estimated fix cost: $150-$300

Known issues to inspect before buying a used Yamaha Xt250. What to check and how much repairs cost.

MODERATE

Cold start behavior, idle quality, throttle response smoothness

Fix cost: $50-$150

MODERATE

Ticking noise at idle, compression test results

Fix cost: $80-$200

MINOR

Chain slack, sprocket tooth hooks or sharpness

Fix cost: $60-$120

SERIOUS

Battery voltage at idle, lights dimming under load

Fix cost: $150-$300

☐Check cold start without choke tricks

☐Inspect frame for cracks near welds

☐Test all electrics and charging voltage

☐Look for oil seepage around valve cover

Very reliable, simple bike, easy cheap maintenance