Honda CB1100EX (SC65) — OEM Fluid, Tire Pressure & Maintenance Specs
1,140cc Air/Oil-Cooled Inline-4 DOHC 16V + Hydraulic Clutch · Source: Honda CB1100EX (SC65) (2014–2021) Official Owner’s Manual Maintenance Specifications
According to the Honda CB1100EX (SC65) (2014–2021) Official Owner’s Manual Maintenance Specifications, the 2014–2021 Honda CB1100EX (SC65) (chassis SC65) requires 3.8 L (4.02 US qt) of SAE 10W-30 (JASO MA, API SG/SJ or higher) engine oil for a drain-only change and 3.9 L (4.12 US qt) with filter service (15410-MCJ-000 / HF204). Standard solo cold tire pressure is 250 kPa / 2.50 bar / 36 PSI front (110/80R18 M/C 58V) and 290 kPa / 2.90 bar / 42 PSI rear (140/70R18 M/C 67V), paired with 4× NGK LMAR8A-9S spark plug(s) and a YTZ14S battery.
Drain only: 3.8 L (4.02 US qt)
R 290 kPa (2.90 bar)
Est. Range: ~311 km (193 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-30 (Alt: SAE 10W-40) · JASO MA · API SG/SJ or higher |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 3.8 L (4.02 US qt) • With filter/strainer: 3.9 L (4.12 US qt) • Complete dry overhaul: 4.9 L (5.18 US qt) |
| OEM Oil Filter Code & Type | 15410-MCJ-000 / HF204 |
| 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 | 30 N·m (22.1 lb-ft / 3.06 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 110/80R18 M/C 58V · Rear: 140/70R18 M/C 67V (Tube-Type Spoke Rim) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 250 kPa / 2.50 bar / 36 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 250 kPa / 2.50 bar / 36 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| OEM Spark Plug & Quantity | NGK LMAR8A-9S × 4 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTZ14S (12V 11.2Ah MF AGM) |
| Final Drive Maintenance | 530 Heavy-Duty Sealed Chain — Inspect 25–35 mm slack and sprocket wear regularly |
| Brake Fluid & Coolant | DOT 4 · Air/Oil-Cooled Engine (No liquid coolant; front oil cooler) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 1140 cc · 89.8 hp @ 7,500 rpm · 91 N·m (67.1 lb-ft) @ 5,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 790 mm (31.1 in) · 255 kg (562 lbs) |
| Fuel Tank & Est. Real-World Range | 16.8 L (4.4 US gal) · ~18.5 km/L → ~311 km (193 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 12,000 km / 24,000 km • Air Filter / Spark Plug: 18,000 km / 24,000 km • Valve Clearance Check: 24,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Evolved in 2014 from the 5-speed CB1100 with a 6-speed gearbox, dual mufflers, and 18-inch wire-spoked wheels; 2017+ models gained a seamless fuel tank, LED lighting, and a slipper clutch.
Oil & Clutch Mechanical Engineering Note
Because cylinder-head oil jackets and a front oil cooler carry heavy thermal loads without water cooling, use shear-stable SAE 10W-30 or 10W-40 JASO MA synthetic oil (3.9 L w/ HF204).
Garage Wrenching Gotchas
- Unlike the 17-inch cast-wheel CB1100RS, the CB1100EX wears 18-inch tube-type wire-spoked rims—always order fresh inner tubes and rim strips when replacing tires.
- Flush the hydraulic clutch circuit with fresh DOT 4 fluid every two years alongside the brakes so moisture buildup does not corrode the lower clutch slave cylinder.
5. Frequently Asked Questions (FAQ)
What oil volume, JASO grade, and oil filter code does the Honda CB1100EX (SC65) (2014–2021) require?
Because its wet multi-plate clutch shares engine oil with the gearbox, run SAE 10W-30 (JASO MA) at 3.8 L (4.02 US qt) drain-only and 3.9 L (4.12 US qt) with filter (15410-MCJ-000 / HF204).
How do you accurately check the oil level on the CB1100EX (SC65), and what are its service intervals?
Hold the motorcycle dead-vertical on level ground 2–3 minutes after warm shutdown and verify the oil sits mid-way between the Upper and Lower marks in the crankcase sight glass—never on the sidestand. Torque the drain plug to 30 N·m with a new crush washer. Factory oil change intervals are every 12,000 km, with valve clearance inspection every 24,000 km.
What are the cold tire pressures, puncture repair type, seat height, and range of the CB1100EX (SC65)?
Equipped with 110/80R18 M/C 58V front and 140/70R18 M/C 67V rear tube-type rims (mushroom/string plugs will not seal—carry spare inner tubes), set cold tire pressures to 36 / 42 PSI (250/290 kPa) solo or 36 / 42 PSI loaded. Seat height is 790 mm (31.1 in) at 255 kg wet weight, delivering ~311 km per 16.8 L tank.