Royal Enfield Goan Classic 350 — OEM Fluid, Tire Pressure & Maintenance Specs
349cc Air/Oil-Cooled Single SOHC 2-Valve J-Series · Source: Royal Enfield Goan Classic 350 (2025–Present) Official Owner’s Manual Maintenance Specifications
According to the Royal Enfield Goan Classic 350 (2025–Present) Official Owner’s Manual Maintenance Specifications, the 2025–Present Royal Enfield Goan Classic 350 (chassis ME3J3GC35/J1G) requires 1.55 L (1.64 US qt) of SAE 15W-50 (JASO MA2, API SL (RE Liquid Gun 15W-50)) engine oil for a drain-only change and 1.7 L (1.80 US qt) with filter service (1570120 / HF511). Standard solo cold tire pressure is 220 kPa / 2.20 bar / 32 PSI front (100/90-19 M/C 57P) and 220 kPa / 2.20 bar / 32 PSI rear (130/90-16 M/C 67P), paired with 1× Bosch YR7MES spark plug(s) and a YTX9-BS battery.
Drain only: 1.55 L (1.64 US qt)
R 220 kPa (2.20 bar)
Est. Range: ~471 km (293 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 15W-50 · JASO MA2 · API SL (RE Liquid Gun 15W-50) |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 1.55 L (1.64 US qt) • With filter/strainer: 1.7 L (1.80 US qt) • Complete dry overhaul: 2.2 L (2.32 US qt) |
| OEM Oil Filter Code & Type | 1570120 / HF511 |
| 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 | 25 N·m (18.4 lb-ft / 2.55 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 100/90-19 M/C 57P · Rear: 130/90-16 M/C 67P (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 220 kPa / 2.20 bar / 32 PSI Rear: 220 kPa / 2.20 bar / 32 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 220 kPa / 2.20 bar / 32 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| OEM Spark Plug & Quantity | Bosch YR7MES × 1 (Gap: 0.7–0.8 mm) |
| OEM Battery Code & Rating | YTX9-BS (12V 8.0Ah MF AGM) |
| Final Drive Maintenance | 520 Sealed X-Ring Chain — Maintain 25–35 mm slack and clean/lubricate regularly |
| Brake Fluid & Coolant | DOT 4 · Air/Oil-Cooled Engine (No liquid coolant) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 349 cc · 20.2 hp @ 6,100 rpm · 27 N·m (19.9 lb-ft) @ 4,000 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 750 mm (29.5 in) · 197 kg (434 lbs) |
| Fuel Tank & Est. Real-World Range | 13 L (3.4 US gal) · ~36.2 km/L → ~471 km (293 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 500 km • Engine Oil / Filter: 10,000 km / 10,000 km • Air Filter / Spark Plug: 10,000 km / 20,000 km • Valve Clearance Check: 10,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Factory J-Series bobber sporting mini-ape bars, a 750 mm floating solo saddle, whitewall tires, and factory tubeless cross-spoke 19/16-inch wheels.
Oil & Clutch Mechanical Engineering Note
Refill the 349cc J-Series single with 1.7 L of SAE 15W-50 JASO MA2 when replacing paper element 1570120 and cleaning the bottom magnetic screen.