Suzuki Inazuma 250 (GW250) — OEM Fluid, Tire Pressure & Maintenance Specs
248cc Liquid-Cooled 180° Parallel-Twin SOHC 4-Valve (B-King-Styled Twin Mufflers) · Source: Suzuki Inazuma 250 (GW250) (2012–2017) Official Owner’s Manual Maintenance Specifications
According to the Suzuki Inazuma 250 (GW250) (2012–2017) Official Owner’s Manual Maintenance Specifications, the 2012–2017 Suzuki Inazuma 250 (GW250) (chassis GJ55D/GW250) requires 2.1 L (2.22 US qt) of SAE 10W-40 (JASO MA2, API SJ/SL/SM) engine oil for a drain-only change and 2.4 L (2.54 US qt) with filter service (16510-07J00 / HF138). Standard solo cold tire pressure is 225 kPa / 2.25 bar / 33 PSI front (110/80-17 M/C 57H) and 250 kPa / 2.50 bar / 36 PSI rear (140/70-17 M/C 66H), paired with 2× NGK CR8E spark plug(s) and a YTX9-BS battery.
Drain only: 2.1 L (2.22 US qt)
R 250 kPa (2.50 bar)
Est. Range: ~386 km (240 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 SJ/SL/SM |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 2.1 L (2.22 US qt) • With filter/strainer: 2.4 L (2.54 US qt) • Complete dry overhaul: 2.6 L (2.75 US qt) |
| OEM Oil Filter Code & Type | 16510-07J00 / HF138 |
| 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 | 23 N·m (17.0 lb-ft / 2.35 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 110/80-17 M/C 57H · Rear: 140/70-17 M/C 66H (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 225 kPa / 2.25 bar / 33 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 225 kPa / 2.25 bar / 33 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| OEM Spark Plug & Quantity | NGK CR8E × 2 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTX9-BS (12V 8.0Ah MF AGM) |
| Final Drive Maintenance | 520 Sealed O/X-Ring Chain — Maintain 25–35 mm slack and lube every 800–1,000 km |
| 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 | 248 cc · 24.5 hp @ 8,500 rpm · 22 N·m (16.2 lb-ft) @ 6,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 780 mm (30.7 in) · 183 kg (403 lbs) |
| Fuel Tank & Est. Real-World Range | 13.3 L (3.5 US gal) · ~29 km/L → ~386 km (240 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 5,000 km / 10,000 km • Air Filter / Spark Plug: 12,000 km / 10,000 km • Valve Clearance Check: 12,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
B-King-styled standard naked that originated the smooth 248cc parallel twin later used in the GSX250R and DL250, taking filter HF138.
Oil & Clutch Mechanical Engineering Note
Suzuki 125–250cc lightweight manual-clutch platform (GSX-R/S125, V-Strom 250SX, TU250X) running SAE 10W-40 JASO MA2 oil.