Yamaha FZ-S FI 150 / FZ-X 150 (Blue Core) — OEM Fluid, Tire Pressure & Maintenance Specs
149cc Air-Cooled Single SOHC 2-Valve Blue Core FI 5-Speed · Source: Yamaha FZ-S FI 150 / FZ-X 150 (Blue Core) (2019–Present) Official Owner’s Manual Maintenance Specifications
According to the Yamaha FZ-S FI 150 / FZ-X 150 (Blue Core) (2019–Present) Official Owner’s Manual Maintenance Specifications, the 2019–Present Yamaha FZ-S FI 150 / FZ-X 150 (Blue Core) (chassis B4G/B7J/BSH) requires 1 L (1.06 US qt) of SAE 10W-40 (JASO MA2, API SG or higher) engine oil for a drain-only change and 1.1 L (1.16 US qt) with filter service (1S7-E3440-00 / HF141). Standard solo cold tire pressure is 200 kPa / 2.00 bar / 29 PSI front (100/80-17M/C 52P) and 225 kPa / 2.25 bar / 33 PSI rear (140/60R17M/C 63P), paired with 1× NGK CPR8EA-9 spark plug(s) and a YTZ6V / YTX7L-BS battery.
Drain only: 1 L (1.06 US qt)
R 225 kPa (2.25 bar)
Est. Range: ~585 km (364 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-40 · JASO MA2 · API SG or higher |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 1 L (1.06 US qt) • With filter/strainer: 1.1 L (1.16 US qt) • Complete dry overhaul: 1.25 L (1.32 US qt) |
| OEM Oil Filter Code & Type | 1S7-E3440-00 / HF141 |
| Correct Oil Level Check Method | Hold upright on level ground; rest dipstick UNTHREADED on filler neck (do NOT screw in) |
| Oil Drain Bolt Torque | 20 N·m (14.8 lb-ft / 2.04 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 100/80-17M/C 52P · Rear: 140/60R17M/C 63P (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 225 kPa / 2.25 bar / 33 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| OEM Spark Plug & Quantity | NGK CPR8EA-9 × 1 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTZ6V / YTX7L-BS (12V 5.0–6.0Ah MF AGM) |
| Final Drive Maintenance | 428 Sealed Chain — Maintain 30–40 mm slack and lubricate regularly |
| Brake Fluid & Coolant | DOT 4 · Air-Cooled Single Engine (No liquid coolant) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 149 cc · 12.4 hp @ 7,250 rpm · 13.3 N·m (9.8 lb-ft) @ 5,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 790 mm (31.1 in) · 136 kg (300 lbs) |
| Fuel Tank & Est. Real-World Range | 13 L (3.4 US gal) · ~45 km/L → ~585 km (364 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 3,000 km / 6,000 km • Air Filter / Spark Plug: 12,000 km / 9,000 km • Valve Clearance Check: 12,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Built around Yamaha’s 149cc air-cooled 2-valve Blue Core 5-speed single, the muscular FZ-S FI V3/V4 and neo-retro FZ-X 150 share identical engine and oil service specs.
Oil & Clutch Mechanical Engineering Note
Distinct from the liquid-cooled 155cc MT-15, this air-cooled 149cc 5-speed engine takes 1.0 L drain-only and 1.1 L with paper element HF141 (SAE 10W-40 JASO MA2).