Kawasaki J300 — OEM Fluid, Tire Pressure & Maintenance Specs
299cc Liquid-Cooled Single SOHC 4-Valve (Dry V-Belt CVT Maxi-Scooter) · Source: Kawasaki J300 (2014–2020) Official Owner’s Manual Maintenance Specifications
According to the Kawasaki J300 (2014–2020) Official Owner’s Manual Maintenance Specifications, the 2014–2020 Kawasaki J300 (chassis SC300A/WS60) requires 1.3 L (1.37 US qt) of SAE 5W-40 (JASO MB, API SG/SJ/SL) engine oil for a drain-only change and 1.5 L (1.59 US qt) with filter service (52010-S005 / HF566). Standard solo cold tire pressure is 200 kPa / 2.00 bar / 29 PSI front (120/80-14 M/C 58S) and 225 kPa / 2.25 bar / 33 PSI rear (150/70-13 M/C 64S), paired with 1× NGK CR7E spark plug(s) and a YT12A-BS battery.
Drain only: 1.3 L (1.37 US qt)
R 225 kPa (2.25 bar)
Est. Range: ~358 km (222 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Dry Centrifugal CVT Belt Drive |
|---|---|
| Recommended Viscosity & Grade | SAE 5W-40 (Alt: SAE 10W-40) · JASO MB · API SG/SJ/SL |
| 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 | 52010-S005 / 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 Gear Oil (210 ml rear reduction gear) |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 120/80-14 M/C 58S · Rear: 150/70-13 M/C 64S (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: 0.7–0.9 mm) |
| OEM Battery Code & Rating | YT12A-BS (12V 10.0Ah MF AGM) |
| Final Drive Maintenance | Dry V-Belt CVT Drive — Inspect belt and rollers every 20,000 km |
| Brake Fluid & Coolant | DOT 4 · Silicate-free ethylene-glycol OAT coolant (50:50 premix) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 299 cc · 28 hp @ 8,000 rpm · 28.7 N·m (21.2 lb-ft) @ 6,250 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 775 mm (30.5 in) · 191 kg (421 lbs) |
| Fuel Tank & Est. Real-World Range | 13 L (3.4 US gal) · ~27.5 km/L → ~358 km (222 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 6,000 km / 12,000 km • Air Filter / Spark Plug: 12,000 km / 12,000 km • Valve Clearance Check: 12,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Co-developed with KYMCO for European and Asian markets, pairing Kawasaki ergonomics and Ninja styling with a 299cc dry-CVT powertrain (JASO MB + HF566).
Oil & Clutch Mechanical Engineering Note
Kawasaki single-cylinder retro & dual-sport family (Z125, W230, KLX230/250/300, KLR650) running internal paper element HF112 and SAE 10W-40 JASO MA2.