DOC // MSL-ROYAL-ENFIELD-BULLET-3
CHASSIS: ME3U3B5C
YEARS: 2010–2022
VERIFIED: 2026-11-10
JASO MA2
Tube-Type Rim (Inner Tube)
ARCHIVE SPEC SHEET
Royal Enfield Bullet 350 (UCE) — OEM Fluid, Tire Pressure & Maintenance Specs
346cc Air-Cooled Single OHV Pushrod UCE Twinspark · Source: Royal Enfield Bullet 350 (UCE) (2010–2022) Official Owner’s Manual Maintenance Specifications
OEM SPECIFICATION SUMMARY
According to the Royal Enfield Bullet 350 (UCE) (2010–2022) Official Owner’s Manual Maintenance Specifications, the 2010–2022 Royal Enfield Bullet 350 (UCE) (chassis ME3U3B5C) requires 2.3 L (2.43 US qt) of SAE 15W-50 (JASO MA2, API SL (RE Liquid Gun 15W-50)) engine oil for a drain-only change and 2.45 L (2.59 US qt) with filter service (RE 500616 / HF156). Standard solo cold tire pressure is 140 kPa / 1.40 bar / 20 PSI front (3.25-19 54P) and 210 kPa / 2.10 bar / 30 PSI rear (3.25-19 54P), paired with 2× Bosch UR5DDC + W7DC spark plug(s) and a 12N5-3B / YTX9-BS battery.
Engine Oil (With Filter)
2.45 L (2.59 US qt)
SAE 15W-50 · JASO MA2
Drain only: 2.3 L (2.43 US qt)
Drain only: 2.3 L (2.43 US qt)
Cold Tire Pressure (Solo)
F 20 / R 30 PSI
F 140 kPa (1.40 bar)
R 210 kPa (2.10 bar)
R 210 kPa (2.10 bar)
OEM Spark Plug
Bosch UR5DDC + W7DC ×2
Gap: 0.7–0.8 mm
Seat · Wet Weight · Range
800 mm · 186 kg
31.5 in · 410 lbs
Est. Range: ~500 km (311 mi)
Est. Range: ~500 km (311 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: 2.3 L (2.43 US qt) • With filter/strainer: 2.45 L (2.59 US qt) • Complete dry overhaul: 2.75 L (2.91 US qt) |
| OEM Oil Filter Code & Type | RE 500616 / HF156 |
| 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: 3.25-19 54P · Rear: 3.25-19 54P (Tube-Type Spoke Rim) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 140 kPa / 1.40 bar / 20 PSI Rear: 210 kPa / 2.10 bar / 30 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 155 kPa / 1.55 bar / 22 PSI Rear: 225 kPa / 2.25 bar / 33 PSI |
| OEM Spark Plug & Quantity | Bosch UR5DDC + W7DC × 2 (Gap: 0.7–0.8 mm) |
| OEM Battery Code & Rating | 12N5-3B / YTX9-BS (12V 5.0–8.0Ah) |
| 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 | 346 cc · 19.8 hp @ 5,250 rpm · 28 N·m (20.7 lb-ft) @ 4,000 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 800 mm (31.5 in) · 186 kg (410 lbs) |
| Fuel Tank & Est. Real-World Range | 13.5 L (3.6 US gal) · ~37 km/L → ~500 km (311 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 500 km • Engine Oil / Filter: 6,000 km / 6,000 km • Air Filter / Spark Plug: 10,000 km / 20,000 km • Valve Clearance Check: 24,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Traditional heavy-flywheel UCE Standard 350 running matching 19-inch front and rear tube-type spoke wheels for unmistakable low-RPM thump.
Oil & Clutch Mechanical Engineering Note
Requires 2.45 L of SAE 15W-50 JASO MA2 oil with paper element 500616 (HF156) to keep its hydraulic pushrod tappets quiet.
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