Engine Oil & Filter
Every 5,000 km or 6 months
- Use 5W-30 or 10W-30 oil (check manual)
- Capacity: typically 2.5-3.0 liters
- Replace oil filter with every change
- Check oil level weekly
Tip: Japanese engines prefer frequent oil changes. Stick to the schedule for longevity.
Air Filter
Every 10,000 km or annually
- Inspect every oil change
- Clean with compressed air if dusty
- Replace if damaged or excessively dirty
- More frequent in dusty conditions
Warning: Clogged air filter reduces fuel economy and power significantly in small engines.
Transmission Fluid
Every 40,000 km or 2 years
- Manual: 75W-90 or 80W-90 gear oil
- Automatic: ATF specified in manual
- Check level monthly
- Look for metal particles or burnt smell
Tip: KEI truck transmissions work hard. Don't skip this service.
Coolant System
Every 2 years
- Use long-life coolant (LLC)
- 50/50 mix with distilled water
- Check level weekly when cold
- Inspect hoses for cracks
Warning: Small engines overheat quickly. Never run low on coolant.
Brake System
Inspect every 10,000 km
- Check pad thickness (min 3mm)
- Brake fluid every 2 years
- Adjust rear drums if equipped
- Check for even wear
Tip: KEI trucks have small brakes. Keep them in top condition for safety.
Spark Plugs
Every 20,000 km
- Use OEM specification plugs
- Check gap before installation
- Replace all plugs together
- Inspect for oil or carbon buildup
Tip: Quality plugs make a big difference in small engines.