KYMCO Xciting S 400i / Xciting VS 400 — OEM Fluid, Tire Pressure & Maintenance Specs
400cc Liquid-Cooled Single SOHC 4-Valve G5-SC with Double-Crown Fork · Source: KYMCO Xciting S 400i / Xciting VS 400 (2018–Present) Official Owner’s Manual Maintenance Specifications
According to the KYMCO Xciting S 400i / Xciting VS 400 (2018–Present) Official Owner’s Manual Maintenance Specifications, the 2018–Present KYMCO Xciting S 400i / Xciting VS 400 (chassis SK80AA/D6-A0) requires 1.3 L (1.37 US qt) of SAE 10W-40 (JASO MB, API SJ/SL Synthetic 10W-40) engine oil for a drain-only change and 1.5 L (1.59 US qt) with filter service (1541A-LEA7-E00 / HF566). Standard solo cold tire pressure is 200 kPa / 2.00 bar / 29 PSI front (120/70-15 56S) and 225 kPa / 2.25 bar / 33 PSI rear (150/70-14 66S), paired with 1× NGK CR7E spark plug(s) and a YT14B-BS / YTX14-BS battery.
Drain only: 1.3 L (1.37 US qt)
R 225 kPa (2.25 bar)
Est. Range: ~306 km (190 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Dry Centrifugal CVT Belt Drive |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-40 (Alt: SAE 5W-50) · JASO MB · API SJ/SL Synthetic 10W-40 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 1.3 L (1.37 US qt) • With filter/strainer: 1.5 L (1.59 US qt) • Complete dry overhaul: 1.7 L (1.80 US qt) |
| OEM Oil Filter Code & Type | 1541A-LEA7-E00 / HF566 |
| Correct Oil Level Check Method | Hold upright on level ground; rest dipstick UNTHREADED on filler neck (do NOT screw in) |
| Oil Drain Bolt Torque | 25 N·m (18.4 lb-ft / 2.55 kgf·m) — Use fresh crush washer |
| Final Drive / Bevel Gear Oil | 210 ml (0.21 L) — SAE 80W-90 / SAE 90 Hypoid Gear Oil (180–230 ml) |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 120/70-15 56S · Rear: 150/70-14 66S (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 225 kPa / 2.25 bar / 33 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| OEM Spark Plug & Quantity | NGK CR7E × 1 (Gap: 0.7–0.8 mm) |
| OEM Battery Code & Rating | YT14B-BS / YTX14-BS (12V 12.0Ah MF AGM) |
| Final Drive Maintenance | Dry Centrifugal V-Belt CVT — Inspect/replace V-belt and rollers every 15,000–20,000 km |
| Brake Fluid & Coolant | DOT 4 · OAT ethylene-glycol coolant for aluminum radiators (50:50 premix) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 400 cc · 35.5 hp @ 7,500 rpm · 37.7 N·m (27.8 lb-ft) @ 6,000 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 805 mm (31.7 in) · 213 kg (470 lbs) |
| Fuel Tank & Est. Real-World Range | 12.5 L (3.3 US gal) · ~24.5 km/L → ~306 km (190 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 300 km • Engine Oil / Filter: 5,000 km / 5,000 km • Air Filter / Spark Plug: 10,000 km / 10,000 km • Valve Clearance Check: 15,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Sport maxi-scooter pairing a motorcycle-grade double-crown front fork and radial calipers with a 35.5 hp 400cc single; refreshed in 2023+ as the keyless Xciting VS 400.
Oil & Clutch Mechanical Engineering Note
Extracting 35.5 hp from a 1.5 L single-cylinder sump stresses oil viscosity—replace SAE 10W-40/5W-50 JASO MB synthetic oil and paper cartridge HF566 every 4,000–5,000 km.
Garage Wrenching Gotchas
- Lubricate the O-rings on both the paper-filter cover and mesh strainer plug, tightening gently to 20–25 N·m so you do not strip the cast-aluminum crankcase threads.
- Mechanical parking-brake cable slack increases as rear pads wear—re-adjust the parking caliper lever stop periodically so the scooter stays secure on inclines.
5. Frequently Asked Questions (FAQ)
What are the engine oil and rear hub gear oil capacities for the KYMCO Xciting S 400i / Xciting VS 400 scooter?
With an isolated dry CVT belt case, the engine requires 1.3 L drain-only or 1.5 L (1.59 US qt) with filter/screen (1541A-LEA7-E00 / HF566) of SAE 10W-40 (JASO MB). Service the rear reduction hub separately (final drive 210 ml).
How do you accurately check the oil level on the Xciting S 400i / Xciting VS 400, and what are its service intervals?
Hold the bike upright on level ground 2–3 minutes after shutdown, wipe the dipstick, and rest it on the filler threads without screwing it in (threading it in reads artificially high and risks oil starvation). Torque the drain plug to 25 N·m with a new crush washer. Factory oil change intervals are every 5,000 km, with valve clearance inspection every 15,000 km.
What are the cold tire pressures, puncture repair type, seat height, and range of the Xciting S 400i / Xciting VS 400?
Fitted with 120/70-15 56S front and 150/70-14 66S rear tubeless rims (compatible with roadside plug kits), set cold tire pressures to 29 / 33 PSI (200/225 kPa) solo or 29 / 36 PSI loaded. Seat height is 805 mm (31.7 in) at 213 kg wet weight, delivering ~306 km per 12.5 L tank.