Yamaha FZ8 / Fazer8 (RN25) — OEM Fluid, Tire Pressure & Maintenance Specs
779cc Liquid-Cooled Inline-4 DOHC 16-Valve FI All-Rounder · Source: Yamaha FZ8 / Fazer8 (RN25) (2010–2015) Official Owner’s Manual Maintenance Specifications
According to the Yamaha FZ8 / Fazer8 (RN25) (2010–2015) Official Owner’s Manual Maintenance Specifications, the 2010–2015 Yamaha FZ8 / Fazer8 (RN25) (chassis RN25/39P/42P) requires 2.9 L (3.06 US qt) of SAE 10W-40 (JASO MA2, API SG or higher) engine oil for a drain-only change and 3.1 L (3.28 US qt) with filter service (5GH-13440-80 / HF204). Standard solo cold tire pressure is 250 kPa / 2.50 bar / 36 PSI front (120/70ZR17M/C (58W)) and 290 kPa / 2.90 bar / 42 PSI rear (180/55ZR17M/C (73W)), paired with 4× NGK CR9E spark plug(s) and a YTZ10S battery.
Drain only: 2.9 L (3.06 US qt)
R 290 kPa (2.90 bar)
Est. Range: ~298 km (185 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-40 (Alt: SAE 15W-50 (Track)) · JASO MA2 · API SG or higher |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 2.9 L (3.06 US qt) • With filter/strainer: 3.1 L (3.28 US qt) • Complete dry overhaul: 3.8 L (4.02 US qt) |
| OEM Oil Filter Code & Type | 5GH-13440-80 / HF204 |
| Correct Oil Level Check Method | Hold bike upright on level ground 3–5 min after warm shutdown; read crankcase sight glass |
| Oil Drain Bolt Torque | 43 N·m (31.7 lb-ft / 4.38 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 120/70ZR17M/C (58W) · Rear: 180/55ZR17M/C (73W) (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 250 kPa / 2.50 bar / 36 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 250 kPa / 2.50 bar / 36 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| OEM Spark Plug & Quantity | NGK CR9E × 4 (Gap: 0.6–0.8 mm) |
| OEM Battery Code & Rating | YTZ10S (12V 8.6Ah MF AGM) |
| Final Drive Maintenance | 525 Heavy-Duty Sealed X-Ring Chain — Maintain 25–35 mm slack and clean/lube regularly |
| Brake Fluid & Coolant | DOT 4 · Silicate-free ethylene-glycol OAT coolant for aluminum radiators (50:50 premix) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 779 cc · 106.2 hp @ 10,000 rpm · 82 N·m (60.5 lb-ft) @ 8,000 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 815 mm (32.1 in) · 211 kg (465 lbs) |
| Fuel Tank & Est. Real-World Range | 17 L (4.5 US gal) · ~17.5 km/L → ~298 km (185 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 6,000 km / 12,000 km • Air Filter / Spark Plug: 18,000 km / 18,000 km • Valve Clearance Check: 40,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Built on the FZ1 chassis with a sleeved-down 68.0 mm bore (779cc, 16 valves), the 2010–2015 RN25 FZ8 and half-faired Fazer8 gained adjustable suspension from 2013 onward.
Oil & Clutch Mechanical Engineering Note
Sharing its lower crankcase and oil pan with the FZ1, refill 3.1 L with spin-on filter HF204 (2.9 L drain-only) of SAE 10W-40 JASO MA2 oil.