JASO MA2 Tubeless Rim

Triumph Rocket 3 R / Storm R (2500cc) — OEM Fluid, Tire Pressure & Maintenance Specs

2,458cc Liquid-Cooled Longitudinal Inline-3 DOHC 12-Valve (World’s Largest Production Bike Engine · Dry-Sump · Shaft) · Source: Triumph Rocket 3 R / GT / Storm Official Owner’s Handbook & Workshop Data

OEM SPECIFICATION SUMMARY

According to the Triumph Rocket 3 R / GT / Storm Official Owner’s Handbook & Workshop Data, the 2020–Present Triumph Rocket 3 R / Storm R (2500cc) (chassis SMTY10/Y101/Y102) requires 4.4 L (4.65 US qt) of SAE 15W-50 (JASO MA2, API SH or higher Semi/Full Synthetic) engine oil for a drain-only change and 4.6 L (4.86 US qt) with filter service (T1218001 / HF204). Standard solo cold tire pressure is 290 kPa / 2.90 bar / 42 PSI front (150/80 R17 V) and 290 kPa / 2.90 bar / 42 PSI rear (240/50 R16 V), paired with 6× NGK LMAR8A-9 spark plug(s) and a YTZ14S / YTX20CH-BS battery.

Engine Oil (With Filter)
4.6 L (4.86 US qt)
SAE 15W-50 · JASO MA2
Drain only: 4.4 L (4.65 US qt)
Cold Tire Pressure (Solo)
F 42 / R 42 PSI
F 290 kPa (2.90 bar)
R 290 kPa (2.90 bar)
OEM Spark Plug
NGK LMAR8A-9 ×6
Gap: 0.9 mm
Seat · Wet Weight · Range
773 mm · 317 kg
30.4 in · 699 lbs
Est. Range: ~261 km (162 mi)

1. Engine Lubrication, Filter & Clutch Specifications

Clutch Architecture Wet Multi-Plate Manual Clutch NEVER use JASO MB
Recommended Viscosity & Grade SAE 15W-50 (Alt: SAE 10W-40 (한랭지/동절기 허용)) · JASO MA2 · API SH or higher Semi/Full Synthetic
Oil Volume (Drain / With Filter / Overhaul) • Drain only: 4.4 L (4.65 US qt)
• With filter/strainer: 4.6 L (4.86 US qt)
• Complete dry overhaul: 5.2 L (5.49 US qt)
OEM Oil Filter Code & Type T1218001 / HF204
Correct Oil Level Check Method Dry-sump oil tank — warm engine to operating temperature and check oil tank/frame dipstick immediately after shutdown per OEM procedure (never top up cold)
Oil Drain Bolt Torque 25 N·m (18.4 lb-ft / 2.55 kgf·m) — Use fresh crush washer
Final Drive / Bevel Gear Oil 170 ml (0.17 L) — SAE 75W-90 API GL-5 Fully Synthetic Hypoid Bevel Oil (170 ml)

2. Cold Tire Pressures, Wheels, Ignition & Drivetrain

Front / Rear OEM Tire Sizes Front: 150/80 R17 V · Rear: 240/50 R16 V (Tubeless)
Cold Tire Pressure — Solo Riding Front: 290 kPa / 2.90 bar / 42 PSI
Rear: 290 kPa / 2.90 bar / 42 PSI
Cold Tire Pressure — 2-Up / Loaded Touring Front: 290 kPa / 2.90 bar / 42 PSI
Rear: 290 kPa / 2.90 bar / 42 PSI
OEM Spark Plug & Quantity NGK LMAR8A-9 × 6 (Gap: 0.9 mm)
OEM Battery Code & Rating YTZ14S / YTX20CH-BS (12V 18.0Ah High-CCA Sealed AGM)
Final Drive Maintenance Enclosed Shaft Drive in Single-Sided Swingarm + Bevel Box (170 ml 75W-90 GL-5)
Brake Fluid & Coolant DOT 4 · Triumph HD4X / D2053 Hybrid OAT Coolant (~3.1 L)

3. Ergonomics, Range & Scheduled Service Intervals

Displacement · Max Power · Peak Torque 2458 cc · 165 hp @ 6,000 rpm · 221 N·m (163.0 lb-ft) @ 4,000 rpm
Seat Height & Wet Curb Weight 773 mm (30.4 in) · 317 kg (699 lbs)
Fuel Tank & Est. Real-World Range 18 L (4.8 US gal) · ~14.5 km/L → ~261 km (162 mi)
OEM Scheduled Maintenance Intervals • First Break-In: 1,000 km
• Engine Oil / Filter: 16,000 km / 16,000 km
• Air Filter / Spark Plug: 16,000 km / 32,000 km
• Valve Clearance Check: 32,000 km

4. Generation Cutoffs & Real-World Wrenching Gotchas

Model-Year & Chassis Generation Notes

Completely reborn in 2020 around a cast-aluminum frame (2,458cc, 165 bhp / 221 N·m, 40 kg lighter than the old 2.3L steel Rocket III), the 2024+ Rocket 3 Storm R added lighter 10-spoke cast wheels and ECU tuning for 180 bhp / 225 N·m while keeping identical fluid specs.

Oil & Clutch Mechanical Engineering Note

To maximize cornering clearance under its monumental 2,458cc block, the Rocket 3 uses an integral dry-sump lubrication system with MULTIPLE drain plugs! Never check oil cold (drain-back makes the oil tank read falsely empty)—idle to full operating temperature, shut off, wait 1–3 minutes upright, and thread the dipstick fully in.

Garage Wrenching Gotchas

  • Do NOT pull just one drain bolt! The dry-sump 2.5L block features three separate sump/oil-tank drain plugs underneath; skipping the secondary scavenge plugs leaves liters of dirty oil trapped inside.
  • Twin-spark cylinder heads take SIX NGK LMAR8A-9 plugs (two per cylinder), and both the massive 150/80 R17 front and 240/50 R16 rear tires require a full 290 kPa (2.90 bar / 42 PSI) cold pressure to handle 317 kg and 221+ N·m of launch torque.

5. Frequently Asked Questions (FAQ)

How much engine oil and final-drive bevel gear oil does the Triumph Rocket 3 R take?

Engine oil with a T1218001 / HF204 filter takes 4.6 L (4.86 US qt) of SAE 15W-50 JASO MA2 oil, while the rear shaft-drive bevel box holds 170 ml of fully synthetic SAE 75W-90 API GL-5 hypoid gear oil.

Why does the 3-cylinder Rocket 3 R require six spark plugs?

Each individual cylinder displaces 819cc with a huge 110.2 mm bore; dual-spark ignition (two NGK LMAR8A-9 plugs per cylinder, six total) ensures fast, knock-free flame propagation across the wide combustion chamber.

Which tires are homologated for the Rocket 3 R’s 240/50 R16 rear wheel?

Triumph homologated Avon Cobra Chrome and Metzeler Cruisetec in 150/80 R17 V front and 240/50 R16 V rear sizes specifically built to support the Rocket 3’s speed and torque ratings.

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