Royal Enfield Classic 350(2021–present)
Official service intervals, fluid capacities, and torque specifications for the Royal Enfield Classic 350. Source citation: Royal Enfield Classic 350 (J-Series) Official Workshop Manual.
Quick Reference Specifications
Essential technical numbers for regular maintenance and routine oil changes
- Engine Oil Type
- 15W-50 Semi-Synthetic (API SL / JASO MA2)
- Oil Capacity
- 2.1 L (2.22 US qt) with filter
- Drain Bolt Torque
- 25 N·m (18.5 lbf·ft)
- Spark Plug
- Bosch YR7MES
- Spark Plug Gap
- 0.7–0.8 mm (0.028–0.031 in)
- Service Interval
- 10,000 km (6200 mi) / 12 mo
- Cold Tire Pressures (Front / Rear)
- Front: 220 kPa (32 psi)Rear: 220 kPa (32 psi) solo / 250 kPa (36 psi) with pillion
Periodic Maintenance Schedule
Recommended factory inspection and replacement intervals under normal riding conditions
| Service Item | Action | Distance Interval | Time Interval | Notes / Source |
|---|---|---|---|---|
First Break-in Service (Oil, Filter & Tappets)Break-in | replace | 500 km(300 mi) | 1 mo | Mandatory break-in service at 500 km or 45 days |
Engine Oil & Filter | replace | 10,000 km(6,000 mi) | 12 mo | 2.1 L 15W-50 Semi-Synthetic |
Valve Clearance (Tappets) | adjust | 10,000 km(6,000 mi) | 12 mo | Inspect cold: In 0.08 mm / Ex 0.18 mm |
Drive ChainBreak-in | clean | 1,000 km(600 mi) | 1 mo | Clean, lube, and set slack to 25–35 mm |
Spark Plug | clean | 5,000 km(3,000 mi) | 6 mo | Factory manual requirement |
Spark Plug | replace | 10,000 km(6,000 mi) | 12 mo | Bosch YR7MES |
Air Filter Element | replace | 10,000 km(6,000 mi) | 12 mo | Factory manual requirement |
Brake Fluid (DOT 4) | replace | — | 24 mo | Replace every 2 years |
Throttle & Clutch Cables | adjust | 5,000 km(3,000 mi) | 6 mo | Factory manual requirement |
Steering Head Bearings | inspect | 10,000 km(6,000 mi) | 12 mo | Factory manual requirement |
Technical Specifications & Torque Values
Factory torque limits, fluid viscosities and adjustment clearances
Fluids & LubricantsViscosity & Capacities
Fastener TorquesN·m (ft-lb)
Engine & IgnitionClearances & Gaps
Chassis & TiresPressures & Sizing
Titlemark maintains strict citations for all technical figures. Where factory service manuals are pending audit, conservative baseline service intervals are displayed and bolt torques are explicitly marked as "Not specified in source" to prevent overtightening.
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