2015 Yamaha SR400 Maintenance Schedule and Service Intervals

This is the maintenance schedule and associated service intervals for the 2015 Yamaha SR400.

2015 Yamaha SR400 Maintenance Schedule

Below is the maintenance schedule for the 2015 Yamaha SR400.

The maintenance for the 2015 Yamaha SR400 is broken into two sections: periodic maintenance for emission control systems, and general maintenance and lubrication.

Periodic Maintenance Emission Control System

TIP:
• From 24000 mi (37000 km) or 36 months, repeat the maintenance intervals starting from 8000 mi (13000 km) or 12 months.
• Items marked with an asterisk require special tools, data and skills, have a Yamaha dealer perform the service

No.		Item	Routine	600 mi (1,000 km) or 1 month	4,000 mi (7,000 km) or 6 months	8,000 mi (13,000 km) or 12 months	12,000 mi (19,000 km) or 18 months	16000 mi (25,000 km) or 24 months	20000 mi (31,000 km) or 30 months
1	*	Fuel line	•Check fuel hoses for cracks or damage. •Replace if necessary.		•	•	•	•	•
2		Spark plugs	•Check condition. •Adjust gap and clean.		•		•		•
			•Replace	Every 8000 mi (13000 km) or 12 months
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		•	•	•	•	•
7	*	Evaporative emission control system (for California only)	•Check control system for damage. •Replace if necessary.				•		•
8	*	Air induction system	•Check the air cut-off valve, reed valve, and hose for damage •Replace any damaged parts if necessary				•		•

General Maintenance and Lubrication Chart

No.		Item	Routine	600 mi (1,000 km) or 1 month	4,000 mi (7,000 km) or 6 months	8,000 mi (13,000 km) or 12 months	12,000 mi (19,000 km) or 18 months	16000 mi (25,000 km) or 24 months	20000 mi (31,000 km) or 30 months
1		Air filter element	•Replace	Every 12000 mi (19000 km)
2	*	Timing chain	•Check timing chain tensioner •Adjust if necessary	•	•	•	•	•	•
3	*	Clutch	•Check operation •Adjust or replace cable	•	•	•	•	•	•
4	*	Decompression system	•Check operation •Replace cable if necessary	•	•	•	•	•	•
5	*	Front brake	•Check operation, fluid level, and for fluid leakage •Replace brake pads if necessary	•	•	•	•	•	•
6	*	Rear brake	•Check operation •Adjust brake pedal free play and replace brake shoes if necessary	•	•	•	•	•	•
7	*	Brake hose	•Check for cracks or damage •Check for correct routing and clamping		•	•	•	•	•
	*		•Replace	Every 4 years
8	*	Brake fluid	•Replace	Every 2 years
9	*	Wheels	•Check runout and for damage •Tighten spokes if necessary	•	•	•	•	•	•
10	*	Tires	•Check thread depth and for damage •Replace if necessary •Check air pressure •Correct if necessary		•	•	•	•	•
11	*	Wheel bearings	•Check bearings for smooth operation •Replace if necessary		•	•	•	•	•
12	*	Swingarm pivot bushes	•Check bearing assembly for looseness •Lubricate with lithium-soap-based grease		•	•	•	•	•
13		Drive chain	•Check chain slack, alignment and condition •Adjust and lubricate chain with a special O-ring chain lubricant thoroughly	Every 300 mi (500 km) and after washing motorcycle, riding in the rain or riding in wet areas
14	*	Steering bearings	•Check bearing assembly for looseness	•	•	•	•	•	•
	*		•Moderately repack with lithium-soap-based grease	Every 12000 mi (19000 km)
15	*	Chassis fasteners	•Check all chassis fittings and fasteners •Correct if necessary		•	•	•	•	•
16		Brake lever pivot shaft	•Apply silicone grease lightly		•	•	•	•	•
17		Brake pedal pivot shaft	•Apply lithium-soap-based grease lightly		•	•	•	•	•
18		Clutch lever pivot shaft	•Apply lithium-soap-based grease lightly		•	•	•	•	•
19		Centerstand and sidestand pivot	•Check operation •Apply lithium-soap-based grease lightly		•	•	•	•	•
20	*	Sidestand switch	•Check operation and replace if necessary	•	•	•	•	•	•
21	*	Front fork	•Check operation and for oil leakage. •Replace if necessary.		•	•	•	•	•
22	*	Shock absorber assemblies	•Check operation and for oil leakage. •Replace if necessary.		•	•	•	•	•
23		Engine oil	•Change (warm engine before draining)	•	•	•	•	•	•
24		Engine oil filter element	• Replace.	•		•		•
25	*	Front and rear brake switches	•Check operation	•	•	•	•	•	•
26	*	Control and meter cables	•Apply Yamaha chain lubricant or other suitable cable lubricant thorougly	•	•	•	•	•	•
27	*	Throttle grip	•Check operation and free play •Adjust throttle cable free play and adjust if necessary. •Lubricate cable and grip housing and cable		•	•	•	•	•
28	*	Light, signals and switches	•Check operation •Adjust headlight beam	•	•	•	•	•	•

TIP:
●Air filter
•This model’s air filter is equipped with a disposable oil-coated paper element, which must not be cleaned with compressed air to avoid damaging it
•The air filter element needs to be replaced more frequent when riding in unusually wet or dusty areas

● Hydraulic brake service
• After disassembling the brake master cylinders and calipers, always change the fluid. Regularly check the brake and clutch fluid levels and fill the reservoirs as required
• Every two years replace the internal components of the brake master cylinders and calipers, and change the brake fluid
• Replace the brake hoses every four years or if cracked or damaged.

About the 2015 Yamaha SR400

The Yamaha SR400 is a classic roadster that promises to offer a pretty fun riding experience. It weighs only 384 pounds and at its heart sits an air-cooled SOHC, 2 valve, fuel-injected engine with a displacement of 399 cc. The unit transfers its power to the rear wheel by means of a five-speed transmission with multiplate wet clutch and delivers a fuel consumption of 66.2 mpg.

The Yamaha SR400 also comes with a 31 inch seat height which is combined with a slim high-tensile steel semi-double cradle frame and an ergonomically designed handlebar offering a fairly relaxed riding position.

Other features worthy of being mentioned include a 3.2 gallon fuel tank, a compact 55.5 inch wheelbase and front disc brakes.

Manual for the 2015 Yamaha SR400

The above information was gleaned from the owner’s manual for the 2015 Yamaha SR400.

You can download it from Yamaha’s website here.