Kawasaki Z900RS SE — OEM Fluid, Tire Pressure & Maintenance Specs
948cc Finned Liquid-Cooled Inline-4 DOHC 16-Valve (Brembo M4.32 · Ohlins S46) · Source: Kawasaki Z900RS SE (2022–Present) Official Owner’s Manual Maintenance Specifications
According to the Kawasaki Z900RS SE (2022–Present) Official Owner’s Manual Maintenance Specifications, the 2022–Present Kawasaki Z900RS SE (chassis ZR900K/ZR900N) requires 3.3 L (3.49 US qt) of SAE 10W-40 (JASO MA2, API SG/SJ/SL) engine oil for a drain-only change and 3.8 L (4.02 US qt) with filter service (16097-0008 / HF303). 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 (180/55 ZR17 M/C 73W), paired with 4× NGK CR9EIA-9 / SILMAR9B9 spark plug(s) and a YTX9-BS / YTZ10S battery.
Drain only: 3.3 L (3.49 US qt)
R 290 kPa (2.90 bar)
Est. Range: ~320 km (199 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 SG/SJ/SL |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 3.3 L (3.49 US qt) • With filter/strainer: 3.8 L (4.02 US qt) • Complete dry overhaul: 4.2 L (4.44 US qt) |
| OEM Oil Filter Code & Type | 16097-0008 / HF303 |
| 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 | 29 N·m (21.4 lb-ft / 2.96 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: 180/55 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 / SILMAR9B9 × 4 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTX9-BS / YTZ10S (12V 8.0–8.6Ah 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 | 948 cc · 111 hp @ 8,500 rpm · 98 N·m (72.3 lb-ft) @ 6,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 810 mm (31.9 in) · 215 kg (474 lbs) |
| Fuel Tank & Est. Real-World Range | 17 L (4.5 US gal) · ~18.8 km/L → ~320 km (199 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 12,000 km / 12,000 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
Celebrating the 1972 Z1 Yellow Ball, the Z900RS SE adds Brembo M4.32 calipers fed by a smaller-bore 17.5 mm radial master cylinder, braided hoses, gold-anodized forks, and an Ohlins S46 shock.
Oil & Clutch Mechanical Engineering Note
Tuned with a 12% heavier flywheel mass and milder cams for 6,500 rpm torque, the Z900RS SE retains the 3.8 L wet sump with spin-on filter HF303 and SAE 10W-40 JASO MA2 oil.
Garage Wrenching Gotchas
- Use a 65 mm 14-flute cap socket on a short extension to spin off filter 16097-0008 cleanly without scratching the polished double-walled stainless exhaust headers.
- Bleed the radial master cylinder’s top bleeder nipple first before bleeding both Brembo M4.32 calipers to purge trapped air at the banjo bend.
5. Frequently Asked Questions (FAQ)
What oil volume, JASO grade, and oil filter code does the Kawasaki Z900RS SE (2022–Present) require?
Because its wet multi-plate clutch shares engine oil with the gearbox, run SAE 10W-40 (JASO MA2) at 3.3 L (3.49 US qt) drain-only and 3.8 L (4.02 US qt) with filter (16097-0008 / HF303).
How do you accurately check the oil level on the Z900RS SE, 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 29 N·m with a new crush washer. Factory oil change intervals are every 12,000 km, with valve clearance inspection every 24,000 km.
What are the cold tire pressures, puncture repair type, seat height, and range of the Z900RS SE?
Fitted with 120/70 ZR17 M/C 58W front and 180/55 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 215 kg wet weight, delivering ~320 km per 17 L tank.