What causes Cam chain tensioner rattle at startup on the Honda Grom 125?

Cold start noise, ticking that fades after warmup Estimated fix cost: $40-$120

What causes Stator failure causing charging issues on the Honda Grom 125?

Battery voltage at idle, flickering lights, dead battery Estimated fix cost: $80-$200

Rough idle, hard starts, hesitation on throttle Estimated fix cost: $20-$80

Inspect welds near footpegs, swingarm pivot, headstock Estimated fix cost: $300-$800

Known issues to inspect before buying a used Honda Grom 125. What to check and how much repairs cost.

MODERATE

Cold start noise, ticking that fades after warmup

Fix cost: $40-$120

SERIOUS

Battery voltage at idle, flickering lights, dead battery

Fix cost: $80-$200

MINOR

Rough idle, hard starts, hesitation on throttle

Fix cost: $20-$80

SERIOUS

Inspect welds near footpegs, swingarm pivot, headstock

Fix cost: $300-$800

☐Check for wheelie or stunt damage

☐Test cold start, listen for rattles

☐Verify charging system with multimeter

☐Inspect tires and brake pad thickness

Very reliable if not abused by stunt riders