Signs it's time
- Hard to start, especially in the morning
- Petrol average has dropped
- Engine misses or jerks at low speed
- It doesn't pull well on a flyover or with a passenger
What a proper tuning includes
- Carburettor cleaned and idle/mixture set
- Spark plug cleaned or replaced, gap set
- Air filter cleaned or replaced
- Chain cleaned, tightened and oiled
- Brakes and clutch cable adjusted
How often
For a daily rider, roughly every 1,000 to 1,500 km or every 2 to 3 months. Change engine oil more often, usually every 700 to 1,000 km, or as your bike's book says. These are general guides; your mistri can tell you what your bike needs.