Suzuki GSX-S1000 — OEM Fluid, Tire Pressure & Maintenance Specs
999cc Liquid-Cooled Inline-4 DOHC 16-Valve (K5 Long-Stroke · Bi-Directional QS · Brembo) · Source: Suzuki GSX-S1000 (2021–Present) Official Owner’s Manual Maintenance Specifications
According to the Suzuki GSX-S1000 (2021–Present) Official Owner’s Manual Maintenance Specifications, the 2021–Present Suzuki GSX-S1000 (chassis WEK0/EK11A) requires 2.8 L (2.96 US qt) of SAE 10W-40 (JASO MA2, API SJ/SL/SM/SN) engine oil for a drain-only change and 3.4 L (3.59 US qt) with filter service (16510-07J00 / HF138 (M20×1.0 Fine Thread)). Standard solo cold tire pressure is 250 kPa / 2.50 bar / 36 PSI front (120/70 ZR17 M/C 58W) and 290 kPa / 2.90 bar / 42 PSI rear (190/50 ZR17 M/C 73W), paired with 4× NGK CR9EIA-9 / LMAR8BI-9 spark plug(s) and a YTZ10S / YTX12-BS battery.
Drain only: 2.8 L (2.96 US qt)
R 290 kPa (2.90 bar)
Est. Range: ~312 km (194 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 10W-50) · JASO MA2 · API SJ/SL/SM/SN |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 2.8 L (2.96 US qt) • With filter/strainer: 3.4 L (3.59 US qt) • Complete dry overhaul: 3.6 L (3.80 US qt) |
| OEM Oil Filter Code & Type | 16510-07J00 / HF138 (M20×1.0 Fine Thread) |
| 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: 120/70 ZR17 M/C 58W · Rear: 190/50 ZR17 M/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 CR9EIA-9 / LMAR8BI-9 × 4 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTZ10S / YTX12-BS (12V 8.6–10Ah 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 | 999 cc · 152 hp @ 11,000 rpm · 106 N·m (78.2 lb-ft) @ 9,250 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 810 mm (31.9 in) · 214 kg (472 lbs) |
| Fuel Tank & Est. Real-World Range | 19 L (5.0 US gal) · ~16.4 km/L → ~312 km (194 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 6,000 km / 18,000 km • Air Filter / Spark Plug: 18,000 km / 12,000 km • Valve Clearance Check: 24,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Second-generation 2021+ WEK0 redesigning the 2015–2020 WDG0 with stacked mono-focus LED headlights, ride-by-wire, bi-directional quickshifter, SCAS slipper clutch, 19 L tank, and a 2025 5-inch color TFT.
Oil & Clutch Mechanical Engineering Note
Note the wide 0.6 L gap between drain-only (2.8 L) and filter-change (3.4 L w/ HF138) refills on the 999cc K5-derived block—measure SAE 10W-40 JASO MA2 carefully.
Garage Wrenching Gotchas
- OEM rear tire sizing is 190/50 ZR17 rather than 190/55; swapping profile heights alters rear wheel-speed circumference read by the 5-mode STCS traction control.
- Maintain proper clutch cable free play at the perch so the clutch switch triggers cleanly alongside the bi-directional quickshifter sensor.
5. Frequently Asked Questions (FAQ)
What oil volume, JASO grade, and oil filter code does the Suzuki GSX-S1000 (2021–Present) require?
Because its wet multi-plate clutch shares engine oil with the gearbox, run SAE 10W-40 (JASO MA2) at 2.8 L (2.96 US qt) drain-only and 3.4 L (3.59 US qt) with filter (16510-07J00 / HF138 (M20×1.0 Fine Thread)).
How do you accurately check the oil level on the GSX-S1000, 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 6,000 km, with valve clearance inspection every 24,000 km.
What are the cold tire pressures, puncture repair type, seat height, and range of the GSX-S1000?
Fitted with 120/70 ZR17 M/C 58W front and 190/50 ZR17 M/C 73W rear tubeless rims (compatible with roadside plug kits), set cold tire pressures to 36 / 42 PSI (250/290 kPa) solo or 36 / 42 PSI loaded. Seat height is 810 mm (31.9 in) at 214 kg wet weight, delivering ~312 km per 19 L tank.