Suzuki GSX250R — OEM Fluid, Tire Pressure & Maintenance Specs
248cc Liquid-Cooled 180° Parallel-Twin SOHC 4-Valve (Long-Stroke Roller-Rocker Twin) · Source: Suzuki GSX250R (2017–Present) Official Owner’s Manual Maintenance Specifications
According to the Suzuki GSX250R (2017–Present) Official Owner’s Manual Maintenance Specifications, the 2017–Present Suzuki GSX250R (chassis DN11A/WDN0) 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: ~465 km (289 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 · 25 hp @ 8,000 rpm · 23.4 N·m (17.3 lb-ft) @ 6,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 790 mm (31.1 in) · 181 kg (399 lbs) |
| Fuel Tank & Est. Real-World Range | 15 L (4.0 US gal) · ~31 km/L → ~465 km (289 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
Introduced in 2017 (DN11A) refining the GW250 Inazuma long-stroke parallel twin with roller rocker arms, low-tension rings, and comfortable clip-on sport-touring ergonomics.
Oil & Clutch Mechanical Engineering Note
Unlike Suzuki singles, the GSX250R twin uses Suzuki’s fine-thread M20×1.0 spin-on filter (16510-07J00 / HF138) and 2.4 L of SAE 10W-40 JASO MA2—never force an M20×1.5 filter.
Garage Wrenching Gotchas
- Screw-and-locknut roller rocker adjusters on the SOHC head allow quick 12,000 km valve lash adjustments with simple feeler gauges—no camshaft removal or shims needed.
- Thread fairing bolts gently into the rubber well-nuts on the lower cowls so the brass inserts do not push through into the fairing interior.
5. Frequently Asked Questions (FAQ)
What oil volume, JASO grade, and oil filter code does the Suzuki GSX250R (2017–Present) require?
Because its wet multi-plate clutch shares engine oil with the gearbox, run SAE 10W-40 (JASO MA2) at 2.1 L (2.22 US qt) drain-only and 2.4 L (2.54 US qt) with filter (16510-07J00 / HF138).
How do you accurately check the oil level on the GSX250R, and what are its service intervals?
Hold the motorcycle dead-vertical on level ground 2–3 minutes after warm shutdown and verify the oil sits mid-way between the Upper and Lower marks in the crankcase sight glass—never on the sidestand. Torque the drain plug to 23 N·m with a new crush washer. Factory oil change intervals are every 5,000 km, with valve clearance inspection every 12,000 km.
What are the cold tire pressures, puncture repair type, seat height, and range of the GSX250R?
Fitted with 110/80-17 M/C 57H front and 140/70-17 M/C 66H rear tubeless rims (compatible with roadside plug kits), set cold tire pressures to 33 / 36 PSI (225/250 kPa) solo or 33 / 36 PSI loaded. Seat height is 790 mm (31.1 in) at 181 kg wet weight, delivering ~465 km per 15 L tank.