2015-2020 Yamaha S-Max Maintenance Schedule (service interval)

The Yamaha S-Max 155 is an automatic scooter produced by Yamaha from 2015 to 2020. It features a 155cc engine with a bore and stroke of 58.0mm x 58.7mm. Below is the periodic maintenance schedule for the Yamaha S-Max, sourced directly from the official owner’s manual. This maintenance includes several engine components such as oil, oil filter, air filter, and more. For detailed information, refer to the table below.

TIP

From 12000 mi (19000 km) or 36 months, repeat the maintenance intervals starting from 4000 mi (7000 km) or 12 months.
Items marked with an asterisk require special tools, data and technical skills, have a Yamaha dealer perform the service.

Air filters
- This model uses disposable-type oil-coated paper air filter element. Clean- ing it with compressed air will damage it. Replace only.
- Service the air filter elements more frequently when riding in unusually wet or dusty areas.
Hydraulic brake service
- Regularly check the brake fluid levels and fill the reservoirs as required.
- Replace the internal components of the brake master cylinders and cali- pers, and change the brake fluid every two years.

Periodic maintenance chart for the emission control system

No.		ITEM	ROUTINE 1000 mi 1000 km month	INITIAL	ODOMETER READINGS
				0.6	2	4	6	8	10
				1	4	7	10	13	16
				1	6	12	18	24	30
1	*	Fuel line	Check fuel and vacuum hoses for cracks or damage. Replace if necessary.		✔️	✔️	✔️	✔️	✔️
2		Spark plug	Check condition. Adjust gap and clean. Replace at 7000 mi (11000 km) or 12 months and thereafter every 6000 mi (10000 km) or 12 months.		✔️	Replace.	✔️	Replace.	✔️
3	*	Valve clearance	Check and adjust valve clearance when engine is cold.	✔️	✔️	✔️	✔️	✔️	✔️
4	*	Crankcase breather system	Check breather hose for cracks or damage. Replace if necessary.		✔️	✔️	✔️	✔️	✔️
5	*	Fuel injection	Check engine idle speed.	✔️	✔️	✔️	✔️	✔️	✔️
6	*	Exhaust system	Check for leakage. Tighten if necessary. Replace gasket(s) if necessary.	✔️	✔️	✔️	✔️	✔️	✔️

General maintenance and lubrication chart

No.		ITEM	ROUTINE 1000 mi 1000 km month	INITIAL	ODOMETER READINGS
				0.6	2	4	6	8	10
				1	4	7	10	13	16
				1	6	12	18	24	30
1		Air filter element	Replace.	Every 12500 mi (20000 km)
2		Air filter check hose	Clean.	✔️	✔️	✔️	✔️	✔️	✔️
3		V-belt case air filter element	Clean.	✔️	✔️	✔️	✔️	✔️	✔️
3		V-belt case air filter element	Replace.	Every 12500 mi (20000 km)
4	*	Front brake	Check operation, fluid level, and for fluid leakage. Replace brake pads if necessary.	✔️	✔️	✔️	✔️	✔️	✔️
5	*	Rear brake	Check operation, fluid level, and for fluid leakage. Replace brake pads if necessary.	✔️	✔️	✔️	✔️	✔️	✔️
6	*	Brake hoses	Check for cracks or damage. Check for correct routing and clamping.		✔️	✔️	✔️	✔️	✔️
6	*	Brake hoses	Replace.	Every 4 years
7	*	Brake fluid	Change.	Every 2 years
8	*	Wheels	Check runout and for damage. Replace if necessary.		✔️	✔️	✔️	✔️	✔️
9	*	Tires	Check tread depth and for damage. Replace if necessary. Check air pressure. Correct if necessary.		✔️	✔️	✔️	✔️	✔️
10	*	Wheel bearings	Check bearings for smooth operation. Replace if necessary.		✔️	✔️	✔️	✔️	✔️
11	*	Steering bearings	Check bearing assemblies for looseness.	✔️	✔️	✔️	✔️	✔️	✔️
11	*	Steering bearings	Moderately repack with lithium- soap-based grease.	Every 30000 mi (50000 km)
12	*	Chassis fasteners	Check all chassis fitting and fasteners. Correct if necessary.		✔️	✔️	✔️	✔️	✔️
13		Front brake lever pivot shaft	Apply silicone grease lightly.		✔️	✔️	✔️	✔️	✔️
14		Rear brake lever pivot shaft	Apply silicone grease lightly.		✔️	✔️	✔️	✔️	✔️
15		Centerstand and sidestand pivots	Check operation. Apply lithium-soap-based grease lightly.		✔️	✔️	✔️	✔️	✔️
16	*	Sidestand switch	Check operation and replace if necessary.	✔️	✔️	✔️	✔️	✔️	✔️
17	*	Front fork	Check operation and for oil leakage. Replace if necessary.		✔️	✔️	✔️	✔️	✔️
18	*	Shock absorber assembly	Check operation and for oil leakage. Replace if necessary.		✔️	✔️	✔️	✔️	✔️
19		Engine oil	Change. (See pages 4-6 and 7-10.)	✔️	When the oil change indicator flashes (after the initial 600 mi [1000 km] and every 1800 mi (3000 km) thereafter)
19		Engine oil	Check oil level and vehicle for oil leakage.	✔️	Every 1800 mi (3000 km)
20		Engine oil strainer	Clean.	✔️	Every 1800 mi (3000 km)
21	*	Cooling system	Check coolant level and vehicle for coolant leakage.		✔️	✔️	✔️	✔️	✔️
21	*	Cooling system	Change coolant.	Every 3 years
22		Final transmission oil	Check vehicle for oil leakage. Change.	✔️		✔️		✔️
23	*	V-belt	Replace.	Every 12500 mi (20000 km)
24	*	Front and rear brake switches	Check operation.	✔️	✔️	✔️	✔️	✔️	✔️
25	*	Control cables	Apply Yamaha cable lubricant or other suitable cable lubricant thoroughly.	✔️	✔️	✔️	✔️	✔️	✔️
26	*	Throttle grip	Check operation. Check throttle grip free play, and adjust if necessary. Lubricate cable and grip housing.		✔️	✔️	✔️	✔️	✔️
27	*	Lights, signals and switches	Check operation. Adjust headlight beam.	✔️	✔️	✔️	✔️	✔️	✔️